DennisF
Pooh-Bah
   
Reged: 03/03/06
Loc: Northern IL
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Modified Lapides Teegul Mount
#2722874 - 10/28/08 03:27 PM
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I've never seen a bad comment about the modified Teegual so for the last several months I've been looking for a used one and just managed to find it. I'm guessing it will be at least as good as my SV M1 with the addition of slo-mo controls.
Looking for advice from current/past owners about any enhancements/tweaking I can do.
For now I plan on using it with my SV scopes and a C6 and will probably go with the Vixen dovetail bracket since that's what all my scopes are fitted for. For the tripod I hope to adapt my EzTouch or M1 tripod.
Any comments/suggestions?
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highwood
member
Reged: 03/29/07
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Re: Modified Lapides Teegul Mount
[Re: DennisF]
#2723162 - 10/28/08 05:56 PM
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Dennis:
It's a great mount, but you already know that. The only enhancement that I've made is the anodized aluminum eyepiece tray that Richard used to have machined in small quantities. It was expensive--no I don't remember what I paid for it maybe 5 years ago--but it's very high quality. You might want to send him an email to see whether they're still available.
Enjoy the Teegul!
Jim
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Doug D.
Carpal Tunnel
Reged: 08/23/05
Loc: Virginia
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Re: Modified Lapides Teegul Mount
[Re: highwood]
#2723293 - 10/28/08 07:28 PM Attachment (121 downloads)
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Same comment as Jim, my primary "upgrade" was the eyepiece tray but it is crazy expensive at $395 (they are available from Anacortes). It is s substantial bit of quality machining and anodizing, however.
I also got a pair of slo-mo aluminum 6" long knobs from FocusKnobs. Reasonably priced (but what isn't compared to the eyepiece tray!). My Teegul is equipped with an AP saddle.
The best thing you can do IMHO is pair the head with a substantial tripod. I use either a Berlebcach UNI24 or a Gitzo 5530S (when travelling with it) but there are many other good choices.
It is a great mount and the only thing that touches it (i.e., in a slo-mo Alt-Az) in my opinion is the new HalfHitch but I think the Modified Teegul still has the edge capacity-wise.
enjoy your mount !
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Phil Frederick
Pooh-Bah
   
Reged: 12/19/05
Loc: Seattle, WA & La Paz MX
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Re: Modified Lapides Teegul Mount
[Re: Doug D.]
#2723386 - 10/28/08 08:35 PM Attachment (105 downloads)
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Hi Dennis,
If you liked your M1, you're gonna love the Teegul. It's a much heavier duty mount and is extremely smooth.
I've been a fan of Teeguls for years and own several of them. I've added trays to all of them similar to the Lapides Tray, but made them myself and saved a whole lot of bucks! I've added the Focusknobs aluminum knobs to one (works very well), and have added flexible knobs to the others. I use one on an Oberwerk tripod (basically the same as the WO), use another on a SV Stablelock and another on a rebuilt Astroview with heavy duty walnut/oak legs.
These are great mounts--enjoy!
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DennisF
Pooh-Bah
   
Reged: 03/03/06
Loc: Northern IL
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Re: Modified Lapides Teegul Mount
[Re: Phil Frederick]
#2723491 - 10/28/08 09:36 PM
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Thanks to everyone so far. I saw the EP tray available but am scared away by the price. L'm a fair to middlin woodworker so, like Phil, I intend to make one out of wood. Have plenty of scraps lying around.
I like the knobs and will look into that. I've already have a couple of flex ones.
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CESDewar
GorillAstronomer
   
Reged: 01/16/05
Loc: Blue Ridge, GA, USA
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Re: Modified Lapides Teegul Mount
[Re: DennisF]
#2723725 - 10/28/08 11:32 PM Attachment (100 downloads)
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I'm very impressed with the Teegul mount. I have it on a Gitzo 5530 (horribly expensive, but incredibly light-weight and stable) and it works great with my TMB 105/650 and TMB92SS.
I recently put my C8 OTA on it and while the settling time increases from 1s or so to 3s, it's still acceptable and works surprisingly well - and I figure the C8 fully loaded is just about 21 lbs - impressive that it can still handle that weight. It'll handle your C-6 without any difficulty...
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Rich N
Post Laureate
   
Reged: 09/22/04
Loc: San Francisco Bay Area, Calif...
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Re: Modified Lapides Teegul Mount
[Re: CESDewar]
#2724297 - 10/29/08 10:53 AM Attachment (125 downloads)
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Here is my "stock" Modified Lapides Teegul mount with my FS-78.
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jrbarnett
Eyepiece Hooligan
   
Reged: 02/28/06
Loc: Petaluma, CA
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Re: Modified Lapides Teegul Mount
[Re: DennisF]
#2724481 - 10/29/08 12:29 PM
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Dennis:
I have a Lapides modified Teegul mount that I use with a Takahashi FS-78. I like the mount, but it's not without issues. There's a fair amount of vibration when using the slo-mo knobs even with the FS-78. After moving the scope it takes a second or two to dampen. The FS-78 is not a particularly long or heavy scope.
I'd sum it up this way - while not perfect, it's one of the better alt-az solutions out there for smaller OTAs.
Regards,
Jim
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Phil Frederick
Pooh-Bah
   
Reged: 12/19/05
Loc: Seattle, WA & La Paz MX
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Re: Modified Lapides Teegul Mount
[Re: jrbarnett]
#2724518 - 10/29/08 12:49 PM
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Quote:
I like the mount, but it's not without issues. There's a fair amount of vibration when using the slo-mo knobs even with the FS-78. After moving the scope it takes a second or two to dampen.
Hi Jim,
Just curious. What tripod are you using? My experience has been that if I use a relatively light tripod like my Bogen 475 with the Teegul for GnG, yes, the vibrations do take a second or two to dampen. On the other hand if I use my SV Stablelock or my modified Astroview (shown in the pic in my other post here) vibrations a very minimal, especially when using the flex slo-mo controls which tend to isolate your hand from the mount. This is true even with my M603 which is probably 16-18# when loaded with a Losmandy Saddle, 60mm finder, 2" diagonal and heavy EP.
Just my experience!
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DennisF
Pooh-Bah
   
Reged: 03/03/06
Loc: Northern IL
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Re: Modified Lapides Teegul Mount
[Re: Phil Frederick]
#2724663 - 10/29/08 02:09 PM Attachment (97 downloads)
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Phil,
Since you've already been there/done that, any tips on building the EP tray? I like the spreader(s) as well. It looks like I may be able to do something similar with my EzTouch tripod and M1 tripod.
Although I've already modified the EzTouch, your's looks like it would improve stability even more.
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Phil Frederick
Pooh-Bah
   
Reged: 12/19/05
Loc: Seattle, WA & La Paz MX
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Re: Modified Lapides Teegul Mount
[Re: DennisF]
#2724971 - 10/29/08 04:52 PM Attachment (96 downloads)
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Quote:
Since you've already been there/done that, any tips on building the EP tray. I like the spreader(s) as well. It looks like I may be able to do something similar with my EzTouch tripod and M1 tripod.
Although I've already modified the EzTouch, your's looks like it would improve stability even more.
Hi Dennis,
Whoa! Very cool! That Ep tray that you made looks like it's straight out of "Close Encounters"! Neat idea with the red light.
I made a spreader/leg locker for my Oberwerk (same as your WO) using the same principle as with my other tripods. I replaced the bolt that connects the mount to the tripod head with a piece of 3/8"-16 all-thread rod (BTW, the Teegul uses 3/8" and not M10 like the EZT, just in case you weren't aware of it) and used a clamping knob on the top restrained with a couple of locking collars. The rod extends down through the tray and is sucked back up and against the tripod legs with another clamping knob. The notches in the tray are cut to fit around the tripod legs very snugly when the tray is sucked up. What this does is to create a very rigid frame in the upper part of the tripod and eliminates leg twisting which is a common problem in many tripods. I found that this really improved the Oberwerk tripod and markedly reduced damping times.
As for the tray that attaches to the Teegul, you can really make it just about any shape with holes that fit your EP collection. I've used both 3/4" walnut ply and also 3/8" baltic birch--they both work just fine. I used a piece of 1" aluminum angle with holes drilled to match the Teegul bores and two more holes to attach the tray to the angle. Nothing very fancy but it works like a charm and it's really quite solid. Not as cool as the Lapides tray but you can save enough to by a really nice Nagler!
Hope this helps.
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Phil Frederick
Pooh-Bah
   
Reged: 12/19/05
Loc: Seattle, WA & La Paz MX
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Re: Modified Lapides Teegul Mount
[Re: Phil Frederick]
#2724972 - 10/29/08 04:54 PM Attachment (107 downloads)
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And here's an EP tray pic.
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Phil Frederick
Pooh-Bah
   
Reged: 12/19/05
Loc: Seattle, WA & La Paz MX
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Re: Modified Lapides Teegul Mount
[Re: Phil Frederick]
#2724975 - 10/29/08 04:56 PM Attachment (90 downloads)
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And here's on of the underside showing the aluminum angle attachment bracket.
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jrbarnett
Eyepiece Hooligan
   
Reged: 02/28/06
Loc: Petaluma, CA
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Re: Modified Lapides Teegul Mount
[Re: Phil Frederick]
#2725141 - 10/29/08 06:27 PM
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Phil:
I'm using a Bogen/Manfroto 3068 Tripod. The tripod is fairly robust with independently locking leg cross braces, but not as thick or heavy as an Atlas or CG5-GT mount.
I've toyed with the idea of trying a wooden tripod, but I really don't use the scope/mount for anything serious (quick look and grab and go), so haven't wanted to make the investment.
Regards,
Jim
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Doug D.
Carpal Tunnel
Reged: 08/23/05
Loc: Virginia
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Re: Modified Lapides Teegul Mount
[Re: jrbarnett]
#2725261 - 10/29/08 07:33 PM
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Nice work Phil - looks real clean!
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DennisF
Pooh-Bah
   
Reged: 03/03/06
Loc: Northern IL
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Re: Modified Lapides Teegul Mount
[Re: Phil Frederick]
#2725780 - 10/30/08 01:27 AM
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Quote:
...Whoa! Very cool! That Ep tray that you made looks like it's straight out of "Close Encounters"! Neat idea with the red light.
It is different. Don't have to worry about people bumping into the equipment. Not as bright as it looks, had to use a time exposure. I have thought about making a Mark II that has a variable light control so I can see star charts.
Quote:
...As for the tray that attaches to the Teegul, you can really make it just about any shape with holes that fit your EP collection. I've used both 3/4" walnut ply and also 3/8" baltic birch--they both work just fine. I used a piece of 1" aluminum angle with holes drilled to match the Teegul bores and two more holes to attach the tray to the angle. Nothing very fancy but it works like a charm and it's really quite solid. Not as cool as the Lapides tray but you can save enough to by a really nice Nagler!
Hope this helps.
Thanks for the advice. I was thinking of using some 1 by oak stock I have left but I like the multi-tone look of yours and the plywood would be more dimensionally stable.
It appears that you leave the bracket attached to the mount. I've read that Tak may use pure aluminum instead of an alloy because the threads can be easily stripped by too much tighting. Know anything about this? Also, any particular reason your bracket is so long?
I've got a few other ideas as well to make the EP tray a bit more functional. If they work out, I'll post it so others can get creative.
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Rich N
Post Laureate
   
Reged: 09/22/04
Loc: San Francisco Bay Area, Calif...
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Re: Modified Lapides Teegul Mount
[Re: jrbarnett]
#2726193 - 10/30/08 10:50 AM Attachment (87 downloads)
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Not only is the vibration damping time very good with my FS-78 and modified Teegul mount, it is very good with my Tak FC-100 on the Teegul. I'm sure supporting it on the Astro-Physics hardwood tripod helps quite a bit.
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M3Pilot
member
Reged: 09/22/08
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Re: Modified Lapides Teegul Mount
[Re: DennisF]
#2726227 - 10/30/08 11:10 AM
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I've been waffling between the Lapides Teegul and the Half Hitch for my TMB 92SS. While that's the only scope I own at the moment I would like to choose something that could support a 4 - 5" refractor "just in case". It sounds like both mounts could handle scopes of that size.
Having never used or even seen either mount in person the major obvious advantage of the HH is the seamless integration of the "push-to" computer system. That said I did see that JMI makes a set of encoders for the Teegul. I'm curious if anyone here has had any experience with it. Admittedly, it looks a bit of a cobble-job where the HH implementation is a thing of beauty. Realistically though, I can get the Teegul for less than half the cost of the HH and add the push-to later if I want. I REALLY want to go the Gitzo tripod route with either mount (assuming they are as stable as everyone says) and the cost difference between the two mounts would go a long way toward such a tripod.
I would appreciate any input on the push-to question or any other factors (capacity, control smoothness, etc.) that I should be taking into account.
Thanks! Stuart
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jrbarnett
Eyepiece Hooligan
   
Reged: 02/28/06
Loc: Petaluma, CA
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Re: Modified Lapides Teegul Mount
[Re: M3Pilot]
#2726251 - 10/30/08 11:26 AM
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I would also add the Discmount DM-4 to my list of alt-az mounts to consider were I thinking of going with a 5" APO on an alt-az setup.
Regards,
Jim
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Phil Frederick
Pooh-Bah
   
Reged: 12/19/05
Loc: Seattle, WA & La Paz MX
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Re: Modified Lapides Teegul Mount
[Re: DennisF]
#2726304 - 10/30/08 11:57 AM
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Quote:
It appears that you leave the bracket attached to the mount. I've read that Tak may use pure aluminum instead of an alloy because the threads can be easily stripped by too much tighting. Know anything about this? Also, any particular reason your bracket is so long?
It's easy to detach both the tray and bracket or just the tray when transporting. Although I usually just leave the whole assembly intact when heading for a dark site. The connection is really quite solid. Never had an issue with stripping the screws--just be moderate when tightening.
The length of the bracket was determined by "...maybe a little more bearing surface between the tray and the bracket would be more stable than a little less!" Engineering calcs weren't a contributor to the decision!
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Doug D.
Carpal Tunnel
Reged: 08/23/05
Loc: Virginia
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Re: Modified Lapides Teegul Mount
[Re: M3Pilot]
#2726566 - 10/30/08 02:35 PM
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Quote:
I've been waffling between the Lapides Teegul and the Half Hitch for my TMB 92SS.
Having never used or even seen either mount in person the major obvious advantage of the HH is the seamless integration of the "push-to" computer system. That said I did see that JMI makes a set of encoders for the Teegul. I'm curious if anyone here has had any experience with it. Admittedly, it looks a bit of a cobble-job where the HH implementation is a thing of beauty. Realistically though, I can get the Teegul for less than half the cost of the HH and add the push-to later if I want. I REALLY want to go the Gitzo tripod route with either mount (assuming they are as stable as everyone says) and the cost difference between the two mounts would go a long way toward such a tripod.
I would appreciate any input on the push-to question or any other factors (capacity, control smoothness, etc.) that I should be taking into account.
Thanks!
Stuart
Stuart, I have had the pleasure of owning a DM-6 (just sold a few weeks ago), a Tak Lapides Teegul and a HH. I still own the Teegul and the HH and, in fact, I have a second HH (Mark 2) version with encoders on its way. That should tell you something right there about how I feel about the HH.
But let me address a few of your questions and offer my 2 cents. The DM-6 is a great mount and I am quite certain so is the DM-4, which fits more in line with the capacity specs of the Teegul and the HH. The Teegul and HH work great with nearly all of the refractors I own (e.g., from 50mm through 105mm) as does the DM-6, but only the DM-6 can handle my 140.
So why don't I still own a DM-6? It really is a personal decision that was based on need, the way I like to view these days, and having been finally introduced to slo-mo controls (first via the Teegul and after that the HH). Even so, it still killed me to part with the DM-6. Originally, I was thinking I'd keep the DM-6 for the 140 specifically. But, the 140 and the DM-6 are hardly grab and go and I really ended up simply asking myself why not spend an extra few minutes setting up a GEM for the 140. So, in the end, I decided the 140 is more GEM worthy than Alt-Az worthy. YMMV, however - as I said, it is a personal decision.
The Teegul has been the mount of choice for my 105 Traveler and it also really got me to appreciate the presence of slo-mo controls. I know all the arguments for why nudge/nudge/push-to is all you really need but in fact, I simply now prefer slo-mo. The Teegul is a nice smooth mount and when paired to a quality tripod (I can't stress enough the importance of quality legs for all of these mounts - I've learned the hard way over several years and many $s) the damping characteristics are fantastic with a 4" refractor - and I would assume, pretty acceptable for 5" scopes like an NP127. My only criticisms of the Teegul is weight (still kind of beefy and heavy but light in comparison to the DM-6) and some backlash in the Slo-Mo, which is unavoidable given the design but certainly not a big problem.
I was curious about the HalfHitch the first time I saw photos of it posted on CN. This summer I had a chance to get a protype version of the mount from Charles Riddel, designer of the mount and owner of HH. It was a great deal for a mount with maybe 80% of the performance (guessing here) of the current Mark II version. I figure I could dedicate it to a fly weight set-up on a medium duty Gitzo carbon fiber tripod, primarily for H-alpha with my SV50. I was smitten with the design, quality of the materials and workmanship, the weight and most important - the performance. It is a rigid little mount and the "Slo-Mo" controls (not really fair to call them slo-mo) exhibit ZERO backlash. It is such a pleasure to keep Sol in the FOV with these controls even at high mag - and with surprisingly little jitter.
I was impressed enough to order a Mark II (expected next week) with the built-in DSCs. Charles has made a number of tweaks and improvements to this version, chief among them the mount is now capable of easily handling refractors like the 105. It can certainly handle anything below that and who knows, maybe even some 5" scopes. Add to that the fact that I believe Charles himself is "value added" here in the sense that he is responsive to his customers and clearly a perfectionist. No doubt, the price is off putting - and I really don't mean this in a negative way with regard to the Teegul - but compared to the HH, the Teegul seems almost crude by comparison. To see a HH up close is to appreciate the costs involved - I'd daresay it is a bit of a bargain given the volume of mounts that Charles produces.
If it works as well as I expect it will, I may even consider parting with the Teegul after testing out the Mark 2 HH. As it is, I am going to keep the prototype HH as a stripped down, lighter weight version for my small refractors. My hesitancy to part with the Teegul has more to do with knowing I'm very happy with how it performs with the 105 already - plus, I know I'll never get anything approaching what I paid for that eyepiece tray if I tried to sell (duh, I should have gone with the DIY option)!! I fully expect the Mark II to perform even better with the 105 so I might revisit the Teegul decision in future.
Finally, you simply can't go wrong with a Discmount, the Lapides Teegul or the HH in terms of raw performance - and I mean this sincerely. But on balance, when also considering features, weight to performance, and aesthetics - the HH just does it for me like no other in its class.
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M3Pilot
member
Reged: 09/22/08
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Re: Modified Lapides Teegul Mount
[Re: Doug D.]
#2726634 - 10/30/08 03:17 PM
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Doug,
Thank you for the response! My impressions seems to align perfectly with your experiences. Especially . . .
Quote:
. . . compared to the HH, the Teegul seems almost crude by comparison. To see a HH up close is to appreciate the costs involved - I'd daresay it is a bit of a bargain given the volume of mounts that Charles produces.
I didn't mean to imply that the HH was over-priced. To the contrary, given the R&D involved, the cost/difficulty of production and the relatively limited target market, I'm surprised that Mr. Riddel makes any money on them. It's more a question of "worth it" vs. "worth it to me" and I usually make decisions based on the former and forget about the latter. Case in point, there were probably many more cost-effective scopes I could have chosen over the TMB! :-)
The Discmount might be more compelling if I needed the capacity but I really don't want to give up controls.
So you're no help! ;-) But I'll give you a chance to redeem yourself: Do you think that a quality Gitzo cf tripod (e.g. 5530) would make a good match for the HH mount? Portablility is a big plus for me.
Thank you again, Stuart
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Doug D.
Carpal Tunnel
Reged: 08/23/05
Loc: Virginia
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Re: Modified Lapides Teegul Mount
[Re: M3Pilot]
#2726668 - 10/30/08 03:32 PM
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Stuart,
I do use a 5530 for the Teegul and at present, a 2530 for the HH but I plan to use the Mark II on the 5530 with the 105. I have to say though that I really need to do a critical side by side with each mount on the 5530 and the Berlebach UNI24 at very high mag. I can safely say though that the 5530 would make a fine set of travel legs if not all around legs. Of course, the 5530 is a lot of money and I think the argument for spending has most to do with a desire for lightweight and compact form factor. It is up there around the cost of the AP/Baader tripod for example, which (like my UNI24) I would consider "reference standards" for astro tripods of this class. I guess I'd be surprised if the 5530 was every bit as good as these two - on the other hand, if you factor in weight-to-performance I'm sure the 5530 would blow them away.
Yeah, the cost thing related to the HH is not immediately obvious and we are on the same wavelength here. There is no doubt that the HH (and the DM) are expensive mounts in bread and butter terms and, therefore, not for everyone. But I do think the HH in particular is not overpriced when you factor in materials, workmanship, and hand assembly of lots of parts. Then there is the design and research costs - no doubt countless hours that Charles (and Tom P.) spent designing, building prototypes, testing and further tweaking their mounts. My hat is off to him and I think it is is great we have people like him in the hobby who have to be doing this for more than just money, IMHO.
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Doug D.
Carpal Tunnel
Reged: 08/23/05
Loc: Virginia
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Re: Modified Lapides Teegul Mount
[Re: Doug D.]
#2726684 - 10/30/08 03:40 PM
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I should add that the KB-tripod that Charles recommends is also a very nice option. There is something I like about quality wooden tripods in terms of looks (and damping characteristics). I'm sure you've seen the pics on the HH site of the TMB 105 on the MarkII with a KB-tripod. Your TMB 92SS sure would look fine on there!
You state it well with regard to "worth it" and "worth it to me". At least with the HH, they kind of converge pretty well.
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M3Pilot
member
Reged: 09/22/08
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Re: Modified Lapides Teegul Mount
[Re: Doug D.]
#2728045 - 10/31/08 11:08 AM
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Quote:
I'm sure you've seen the pics on the HH site of the TMB 105 on the MarkII with a KB-tripod. Your TMB 92SS sure would look fine on there!
They have some photos with a 92SS as well and yes, it looks very fine!
I think I'm just about convinced. The wooden tripod is probably a wise choice in the beginning because as you say, it is sturdy and significantly cheaper than a 5530. I am really interested to hear the results of your direct comparisons to the cf Gitzo though.
Thank you again for the most valuable input!
Stuart
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DennisF
Pooh-Bah
   
Reged: 03/03/06
Loc: Northern IL
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Re: Modified Lapides Teegul Mount
[Re: M3Pilot]
#2729224 - 11/01/08 12:48 AM
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Well, I took delivery and only had about 60 seconds before I had to go with the kids Trick/Treating. And tomorrow's a Cub Scout campout. But I was surprised (unpleasantly) how stiff the alt/az movements are even with the clutch totally loose. This can't be normal, is it? Unfortunately, no manual with it. Anyone ever take it apart and re-lube?
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Phil Frederick
Pooh-Bah
   
Reged: 12/19/05
Loc: Seattle, WA & La Paz MX
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Re: Modified Lapides Teegul Mount
[Re: DennisF]
#2729738 - 11/01/08 12:42 PM
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Hi Dennis,
The movement on the Teegul seems a bit stiff without a scope, but is just fine once you get a scope mounted on it.
That said: I bought a new Teegul this summer from Anacortes and when I got it the Azimuth motion, both panning and using the slo-mo controls, was VERY stiff. I contacted Anacortes re the problem and they referred me to Texas Nautical who seems to be both a repair facility for Tak and also a distributor. I called them and discussed the issue and they immediately shipped me a new mount (he checked it out before shipping--worked just fine) and a return shipping label so I could send back the other mount. Very easy deal and great customer service by both Anacortes and Texas Nautical. I guess even Tak has a slip up once in awhile with their QC.
I guess I'd just contact your dealer and see what they recommend--they might even have another one in stock and might just swap it out for you.
Sorry about your problem 
Phil
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Mike Holland
Pooh-Bah
Reged: 12/22/06
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Re: Modified Lapides Teegul Mount
[Re: Rich N]
#2730977 - 11/02/08 10:07 AM
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Rich N,
That's a fabulous setup. Quite beautiful!
Mike
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Rich N
Post Laureate
   
Reged: 09/22/04
Loc: San Francisco Bay Area, Calif...
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Re: Modified Lapides Teegul Mount
[Re: Mike Holland]
#2731425 - 11/02/08 03:31 PM
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Thanks very much Mike!
All the best, Rich
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Mark Jenkins
sage
   
Reged: 06/25/08
Loc: Wisconsin
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Re: Modified Lapides Teegul Mount
[Re: Rich N]
#2736961 - 11/05/08 07:38 PM
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I loved my LTM. I just am not a huge fan of manual goto and tracking.
But it was very stable and smooth.
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BarrySimon615
Carpal Tunnel
   
Reged: 03/01/04
Loc: New Orleans, LA
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Re: Modified Lapides Teegul Mount
[Re: Mark Jenkins]
#2737659 - 11/06/08 10:01 AM Attachment (86 downloads)
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Over the past 2 weeks (almost) I have had the opportunity to "test" the new Half-Hitch mount from Charles Riddell. This mount was sent to me for the express purpose of a magazine article/review. I have to say that I like it very much and I am now scheming as to just how I can afford to purchase it.
That being said, here are some of my impressions, keeping in mind that this is not intended as a full review, just some basic comments. I will also post some photos.
Packaging - unbelievable!, Charles packages this mount (head only), I supplied the tripod, in a very nice zipper camera bag type case. It is compact and this mount along with a folding tripod, and 3 to 4" f/8 or shorter refractor or up to a 6" Mak or SC is a "Miata ready" set-up.
The tripod I used was a modified Davis and Sanford tripod with a solid bar stock aluminum pier cut to my specifications by Ken Dauzat. The aluminum "pier" attaches to the tripod hub via a "5/16" or is it "3/8" allen screw after first going thru a modified "Martha Stewart" pie pan used as an accessory tray. Gotta love Martha Stewart, she might be an ex-con, but she makes some good astronomy accessories!
Anyway the first scope I mounted up was my built like a tank StellarVue 80/9D refractor (750 mm focal length). That looked good. I then mounted my Takahashi TSA 102, and again the mount held it well, but I have done no field testing with this combo yet. I finally settled on my University Optics 80 mm f/6.25 as a good size match for this mount. This scope is highly modified with a FeatherTouch focuser and interface as well as a brass counterbalance and weights mounted to Unitron Uni-Clamps (brass counterbalance made by Ken Dauzat). This is a fairly heavy little tube assembly the way I have it outfitted, but still lighter than both the StellarVue and the TAK TSA.
One thing I have to say about the Half Hitch is I like the way the payload sits (centered) above the azimuth axis of rotation, unlike many of the other alt-azimuth mounts I have seen. If for no other reason, this eliminates some balance issues that I believe could be a potential problem with other mounts. Not so much in function, but potentially a problem if someone stumbles into the mount/telescope at night as I believe too much weight is off to the side as opposed to being balanced over three legs. I do like the counterweight solution in the photo above for the Lapides Teegul Mount. That mount (the Lapides) is on a consideration list for possible use with my TSA, but having an expensive tube assembly off to the side of the azimuth axis is something that concerns me.
Anyway, back to the Half Hitch....you will have to wait for the full review, but I did have the opportunity to use this mount along with the University 80 and even with an AstroTech AT66 (red tube iteration) at the recently concluded Deep South Regional StarGaze. We had 5 perfect days and nights with skies consistently reading 6.3 mag and flirting with 6.4 mag before midnight and improving further to about 6.5 mag after 2 AM (verified with a Sky Quality Meter). With the attached Sky Commander (which tucks up and out of the way very nicely when the mount is stored)moving from object to object was a breeze. Unlike my earlier "Light Speed Wagon" dual fork mount, also by Charles Riddell, the Half Hitch is silent. Pushing or pulling it into position and there is dead silence, where the noise the larger Wagon makes can best be described as "Meade like".
The Sky Commander setup was easy and always dead on. I was using fairly low powers, but the combo of Half Hitch and Sky Commander works great. Considering the price of the Half Hitch, you may as well go for broke and add the encoders and Sky Commander to the package.
Another nice feature is the counterweight bar which helps balance your payload fore and aft. You can shift it's position with a twist and it also serves as a great grab handle in moving the mount in either altitude or azimuth.
As with most mounts, balance is critical, when I had a misbalance the altitude slow motion control would slip and the only way around this would be a better adjustment of balance. I foresee that this will be more of an issue with heavier payloads such as with my TSA 102, however as said, careful balance should take care of this.
As with all of Charles Riddell's work, the Half Hitch is a work of art as well as a very functional piece of hardware. A lot of work went into making this mount something that works well.
I'll post a few photos now.
Barry Simon
Edited by BarrySimon615 (11/06/08 10:23 AM)
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BarrySimon615
Carpal Tunnel
   
Reged: 03/01/04
Loc: New Orleans, LA
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Re: Modified Lapides Teegul Mount
[Re: BarrySimon615]
#2737699 - 11/06/08 10:25 AM Attachment (95 downloads)
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Here is another image showing the Martha Stewart accessory tray.
Barry Simon
Edited by BarrySimon615 (11/06/08 10:34 AM)
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BarrySimon615
Carpal Tunnel
   
Reged: 03/01/04
Loc: New Orleans, LA
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Re: Modified Lapides Teegul Mount
[Re: BarrySimon615]
#2737722 - 11/06/08 10:36 AM Attachment (97 downloads)
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This last photo shows the Half Hitch in comparison to the larger "Wagon" mount. The Wagon mount is closer so the size difference is not as large as what it appears to be in the photo.
Barry Simon
Edited by BarrySimon615 (11/06/08 10:37 AM)
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Doug D.
Carpal Tunnel
Reged: 08/23/05
Loc: Virginia
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Re: Modified Lapides Teegul Mount
[Re: BarrySimon615]
#2737767 - 11/06/08 10:51 AM
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Barry - this is the first time I've seen or heard of the "wagon" mount. Is Charles just testing the waters at this point or is it actually in the works?
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MikeCatfin
scholastic sledgehammer
Reged: 03/12/04
Loc: NJ, USA
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Re: Modified Lapides Teegul Mount
[Re: Doug D.]
#2738282 - 11/06/08 04:05 PM
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I've been following this thread and it just so happens that I got my Teegul (used, new to me) today! But now that i just about depleted my astro-funds I still need to get a tripod.
I was looking at the Oberwork wooden surveyor tripod which is about $150. Does anyone have an opinion on this one? It claims the capicity is ~35lbs. I plan on using it with an FC-76. Thanks!
Edited by MikeCatfin (11/06/08 04:06 PM)
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BarrySimon615
Carpal Tunnel
   
Reged: 03/01/04
Loc: New Orleans, LA
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Re: Modified Lapides Teegul Mount
[Re: Doug D.]
#2738599 - 11/06/08 07:19 PM Attachment (64 downloads)
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Quote:
Barry - this is the first time I've seen or heard of the "wagon" mount. Is Charles just testing the waters at this point or is it actually in the works?
The Wagon mount, a double-arm alt-azimuth mount with encoders and optional motor drive was produced roughly between about 2000 and 2002. I believe only 50 were made. The chief appeal for me was for use with my Jaegers 6" f/5 refractor, and for use with my Miyauchi 20x100 binoculars as pictured. The mounting shelf (with dovetail) can be shifted up and down in addition to forward and aft movement of the attachment plate on the dovetail so that perfect balance can be obtained in respect to altitude motion. The other nice thing about this mount is it's 60 lb. payload limit.
The grab handle pictured on my "Wagon" is not stock, I did that to facilitate moving the mount without having to grab either binoculars or telescope. It is a further aid in balancing and allows one to move the mount quite quickly if needed. No additional holes were drilled, everything was done using existing threaded holes.
Great mount and likely to become a hard to find collectable. When I got mine, the price as outfitted (mount only, no tripod) was about $2200.00. Charles estimates that a current day upgrade and rerelease of the Wagon would dictate a price close to $4000.00.
Barry Simon
Edited by BarrySimon615 (11/06/08 08:17 PM)
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Phil Frederick
Pooh-Bah
   
Reged: 12/19/05
Loc: Seattle, WA & La Paz MX
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Re: Modified Lapides Teegul Mount
[Re: MikeCatfin]
#2738691 - 11/06/08 08:25 PM Attachment (65 downloads)
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I was looking at the Oberwork wooden surveyor tripod which is about $150. Does anyone have an opinion on this one?
I haven't used the Oberwerk Surveyors Tripod but I have used their other one with the Jarrah wood legs. Very nice, lightweight tripod and matches up very well with the Teegul IMO. It would be a good combo with the FC76. I've used this tripod/mount combo with my AT80LE and also my M500 Mak. Easy to haul around.
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DennisF
Pooh-Bah
   
Reged: 03/03/06
Loc: Northern IL
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Re: Modified Lapides Teegul Mount
[Re: Phil Frederick]
#2742143 - 11/09/08 12:51 AM
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...I made a spreader/leg locker for my Oberwerk (same as your WO) using the same principle as with my other tripods. I replaced the bolt that connects the mount to the tripod head with a piece of 3/8"-16 all-thread rod (BTW, the Teegul uses 3/8" and not M10 like the EZT, just in case you weren't aware of it) and used a clamping knob on the top restrained with a couple of locking collars. The rod extends down through the tray and is sucked back up and against the tripod legs with another clamping knob. The notches in the tray are cut to fit around the tripod legs very snugly when the tray is sucked up. What this does is to create a very rigid frame in the upper part of the tripod and eliminates leg twisting which is a common problem in many tripods. I found that this really improved the Oberwerk tripod and markedly reduced damping times...
Phil,
If you're still monitoring this thread, can you post a pic or two of the top part of your tripod mod, the area around the clamping knob and two restraining locking collars. Will save me time trying to figure it out. It appears in your pic that the adapter base of the Teegul fits right into the circular indentation on the top of the tripod. On mine it's just a fraction too large so it looks like I may have to make some type of adapter. Thinking of a flat aluminum plate that spans the circular indentation or a wooden adapter that snugs fits inside the indentation. Hope you can follow my description. I'll post of pic or two if you don't.
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Phil Frederick
Pooh-Bah
   
Reged: 12/19/05
Loc: Seattle, WA & La Paz MX
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Re: Modified Lapides Teegul Mount
[Re: DennisF]
#2742893 - 11/09/08 02:18 PM
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Hi Dennis,
Well, I'm heading for our place in Mexico tomorrow morning and taking my Oberwerk tripod with me to its new home down south. Right now it's all packed up along with my camera and I don't have any photos that actually show the bolt mod. When I get everything unpacked down there I'll take a couple of pics and post them.
The Oberwerk came with a threaded (3/8") flat disc that is held down by the locking ring on the tripod hub. I just removed the 3/8" bolt that came with the tripod and replaced it with with the long all-thread rod. I put one 3/8" locking collar above the clamping knob and another below the clamping knob to keep it from rotating on the rod. It's just a matter then of threading the rod up into the tripod hub and tightening with the clamping knob. The Teegul is then just screwed down from the top onto the 3/8" rod that protrudes about 1/2". In the case of the Oberwerk the top of the hub is flat and the Teegul just sits on top.
Just for info, the tripod hubs on the Astroview, SVP and CG5 have the circular indentation that very precisely accepts the the base of the Teegul. On my Stellervue Stablelock tripod, the tripod hub looks identical to the others noted above, but the hole in the hub is a hair smaller and will not accept the Teegul. On mine I have a machined aluminum disc that fills the hole and the Teegul sits on top of it. Your idea of a flat plate also sounds like it will work. A wood plug as you suggested should also work just fine.
I'll try post some pics for you probably Tuesday or Wednesday.
Cheers!
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M3Pilot
member
Reged: 09/22/08
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Re: Modified Lapides Teegul Mount
[Re: Doug D.]
#2746411 - 11/11/08 03:03 PM
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I do use a 5530 for the Teegul and at present, a 2530 for the HH but I plan to use the Mark II on the 5530 with the 105. I have to say though that I really need to do a critical side by side with each mount on the 5530 and the Berlebach UNI24 at very high mag.
Hey Doug,
Was wondering if you've gotten your HH yet and if you've had a chance to give it a go on the 5530. I'm pretty-much sold on the HH but not sure what to do about a tripod. The "stock" tripod looks very nice but would like to have something more portable if it's not a great sacrifice in performance. Plus I can buy the mount without the legs to spread out the costs while in the throes of an Iowa winter when I'm probably not going to be doing much observing anyway (I have other mounting options that would do in a pinch).
Let us know how you like the mount.
Stuart
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Waduino
sage
Reged: 10/24/08
Loc: Richmond Hill, Ontario
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Re: Modified Lapides Teegul Mount
[Re: M3Pilot]
#2959659 - 03/02/09 07:46 PM
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Jim, I'd be interested in knowing what you decided, if anything. Looks like I'm where you were last October. Wad.
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