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Equipment Discussions >> Mounts

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Manny Myles
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Reged: 11/29/05

Loc: Far South of the flyover city ...
ES Twilight I alt az mount
      #5206214 - 05/04/12 07:31 PM Attachment (348 downloads)

Well I got mine today, (ordered it Wednesday early AM) and opened it up and a quick assembly and must say I'm quite pleased with it as it sits here.
The designers used a bit of grey matter on this one as most fear of this or that is not a problem for me at least.
Opening up all the boxes looking for some sort of instructions were fruitless, but it's a no brainer for all but one thing where I wish I could have at least known ahead of time like with the Voyager with the 3 screws and the strict order not to mess with.
So full speed ahead and undid 4 allen heads and what I was hoping for was what I was rewarded with.
On the az the slo mo cable is right in line with the alt slo mo cable when pointed at higher elevations.
With this mount undo the 4 screws and rotate the az head to where you want the slo mo cable to be.
The same hole pattern on the alt head is the same on the az head so no worry about finding the right place for locating the dovetail or az head.
Cloudy tonight so no checking out the stability of the tripod.
Below is a pic of the mount set up with the az slo mo like on Portamount
m2


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Manny Myles
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5206217 - 05/04/12 07:32 PM Attachment (228 downloads)

The face plate of both alt and az heads

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Manny Myles
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5206222 - 05/04/12 07:34 PM Attachment (203 downloads)

The clutch tension knobs are quite nice as they let you tighten them up and if they get in the way the handle slides down with a spring loaded on the shaft to keep it engaged yet able to move it out of the way.
So far I'm liking it.
m2


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OldManInHawaii
member


Reged: 03/12/12

Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5206431 - 05/04/12 10:05 PM

Good info & nice photos.

Sounds like you won't need this but in case you are interested, here's a link to the instruction manual for the Orion VG III: http://www.telescope.com/assets/product_files/instructions/29447_04-12.pdf

I couldn't wait & ordered a Twilight I, also - mine should be arriving on Monday.


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jochsner
member


Reged: 01/11/12

Loc: PA
Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5206453 - 05/04/12 10:27 PM

This mount looks great!
Will it support a 8" SCT with finder and 2" ep's I'm wondering?
Are the legs rock solid? Is the height suitable for seated viewing?
THANKS-


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Manny Myles
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: ES Twilight I alt az mount new [Re: OldManInHawaii]
      #5206802 - 05/05/12 07:17 AM

Thanks for the link OMIH, but it does not say what the 4 washers that come with are used for.
I have an idea but will have to wait till later today to find out.
m2


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Manny Myles
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5207658 - 05/05/12 06:18 PM Attachment (201 downloads)

It's actually going to be clear sky tonight so I loaded up my new mount with my WO Megrez 80 and ready for darkness
A few shots of it below
m2


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Manny Myles
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5207660 - 05/05/12 06:19 PM Attachment (170 downloads)

Another

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Manny Myles
Postmaster
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5207661 - 05/05/12 06:20 PM Attachment (170 downloads)

One more.
Right now there is no backlash on either slo mo, turning it is a now instead of wait a bit for it to kick in.
With the legs collapsed all the way in the mount stays on its feet and not as backwards tippy as the Porta and Voyager when the scope is parked between it legs.
m2


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beatlejuice
Pooh-Bah
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Reged: 04/05/11

Loc: Hamilton, ON,Canada
Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5207759 - 05/05/12 07:29 PM

Looks good Manny, I see your mod fits it ok. Did you have to make a new one for this mount? Any ideas on a lever for the tension adjustments on the voyager?

Eric


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Manny Myles
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: ES Twilight I alt az mount new [Re: beatlejuice]
      #5207800 - 05/05/12 07:58 PM

Yes it does look good Eric!.
Do my mods fit okay??? They fit like they were made for it;-)
The only thing I might change is the length of the verticle plate, making it a tad longer so the scope sits lower, but the bracket shown fits a Portamount and now the ES Twilight I.
Ideas for the tension on the Voyager??? Drawing a blank here.
Would be intersesting to see if the EST knobs would fit the Voyager but where would one get the knobs from?
These knobs thread into an empty threaded hole and must put pressure on down below.
Don't know if the Voyager's tension screws thread out allowing a new knob to fit.
But what are the chances of the ES T's knobs fit.
m2


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Locoman
scholastic sledgehammer
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Reged: 03/09/09

Loc: Abilene, Kansas
Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5207968 - 05/05/12 10:22 PM

I see the azimuth control can be moved so it can be out of the way of the focuser, cool! It sure looks good. Can't wait for your first light report. Nice bright moon out tonight, enjoy!

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Manny Myles
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: ES Twilight I alt az mount new [Re: Locoman]
      #5208374 - 05/06/12 07:18 AM

No first light last night as the force was much too powerful.
m2


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OldManInHawaii
member


Reged: 03/12/12

Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5208749 - 05/06/12 12:40 PM

m2,

Nice photos.

So where did you put those four washers?

And those locks for extending the tripod legs look a little more robust than the Voyager.

I noticed that the ES Shopping website now shows the ES Ti mount for $299.


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Manny Myles
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: ES Twilight I alt az mount new [Re: OldManInHawaii]
      #5209241 - 05/06/12 06:41 PM

I put the washers on the coffee table.
I had to work today and no time to find the true home for them.
I suspect they go under the spreader for the tripod.
m2


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Manny Myles
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5209821 - 05/07/12 07:11 AM

Came across another part that has no home, 3 hole spacing identicle to the 3 holes on altitude head since there are no directions in the box I'm guessing it's a spare cltuch bearing.
No way to post a photo of it since my regular computer mother board fan died Sunday night and using a backup netbook.
m2


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Jim7728
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Reged: 04/10/05

Loc: Stoop Landing Observatory, NYC
Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5209929 - 05/07/12 08:57 AM

The "I" is looking good. Altitude arm looks solid enough to handle a Short tube 100mm. Let us know how well vibes are controlled at high mags.

Nice "Manny" mods!


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OldManInHawaii
member


Reged: 03/12/12

Re: ES Twilight I alt az mount new [Re: Manny Myles]
      #5214282 - 05/09/12 06:35 PM Attachment (146 downloads)

Got my ES Twilight I assembled with my new ES 102ED APO. Unfortunately weather has been clousy the past couple of nights, so I haven't had time to test them outdoors.

Some things I noticed:
-The mount arm can only be oriented vertical or 60-degrees from vertical, and not 30-degrees from vertical as is advertised at the Orion website for the Versago III.

-My ES 102ED APO scope arrived with a broken 1/4-20 nylon thumbscrew for mounting the finder scope to the bracket on the OT. I replaced it with a temporary 1/4-20 white nylon screw.

-Mine came with 3 flat washers, two of which I mounted on the long shaft for the tripod spreader.

-There was also a retainer to keep the long shaft from falling down when you unscrew it from the mount base.

-Mine also came with the circular plate that m2 mentioned.

-I was pleasantly surprised to find the L-shape Allen wrench is held to the mount arm by several strong magnets.

-With the mount in the astronomical position (mount arm inclined at 60 degrees from vertical), tripod legs fully extended, & my 102ED APO scope oriented vertically up, the eyepiece (in the diagonal) is approximately 33" from the ground / floor.

-The Twilight I mount + tripod weighs 18 lbs according to my digital bathroom scale. My ES 102ED APO w/a 10mm eyepiece weighs 14 lbs.

-The tripod leg locks appear to be robust.

-The OT assembly appears to be pretty stable when in the vertical orientation w/ the legs fully extended.

Edited by OldManInHawaii (05/09/12 10:57 PM)


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Manny Myles
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: ES Twilight I alt az mount new [Re: Jim7728]
      #5214470 - 05/09/12 08:41 PM

Thanks Jim!
m2


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Manny Myles
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Reged: 11/29/05

Loc: Far South of the flyover city ...
Re: ES Twilight I alt az mount new [Re: OldManInHawaii]
      #5214473 - 05/09/12 08:42 PM

Looking good there OMIH!!!
m2


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