Francisco S.
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Reged: 01/08/09
Loc: Bay Area, CA
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Re: Oberwerk wooden tripod blem special
[Re: Jim7728]
#2883494 - 01/23/09 05:45 PM
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What is the size of the Oberwerk "tray" screw hole? it looks less then 3/8.
Thanks
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Jim7728
Postmaster
   
Reged: 04/10/05
Loc: Stoop Landing Observatory, NYC
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Re: Oberwerk wooden tripod blem special
[Re: Francisco S.]
#2883513 - 01/23/09 05:54 PM
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Quote:
What is the size of the Oberwerk "tray" screw hole? it looks less then 3/8.
Thanks
The center hole(s) in the spreader on the legs?
1/4" in the center and on the 3 spreader bars. Those Vixen/Synta triangular accessory trays can attach through those holes.
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Starlighter
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Reged: 08/03/07
Loc: Sunny California
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Re: Oberwerk wooden tripod blem special
[Re: Jim7728]
#2883577 - 01/23/09 06:24 PM
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Interesting.
How well would the 501HDV head on that tripod work as a mount for one of my larger refractors? I assume the head can be looked down. Can one point towards zenith? And if so, what adaptor would I need to hook a dovetail plate to the mount head?
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Francisco S.
member
Reged: 01/08/09
Loc: Bay Area, CA
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Re: Oberwerk wooden tripod blem special
[Re: Starlighter]
#2883582 - 01/23/09 06:29 PM
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Jim,
That's the one. Is it 1/4-20 size?
Thanks
Edited by Francisco S. (01/23/09 07:15 PM)
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Jim7728
Postmaster
   
Reged: 04/10/05
Loc: Stoop Landing Observatory, NYC
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Re: Oberwerk wooden tripod blem special
[Re: Starlighter]
#2883655 - 01/23/09 07:15 PM
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Quote:
Interesting.
How well would the 501HDV head on that tripod work as a mount for one of my larger refractors? I assume the head can be looked down. Can one point towards zenith? And if so, what adaptor would I need to hook a dovetail plate to the mount head?
Pointing towards zenith with long ota tube would require a extension or elevating type column to avoid contacting tripod legs. Bogan 475 tripod would be a good match with the 501 head. The head would have a 1/4"-20 bolt on the quick release shoe and could attach to the 1/4" threaded hole of the dovetail. May not be the best way to go with a heavy refractor.
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Jim7728
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Reged: 04/10/05
Loc: Stoop Landing Observatory, NYC
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Re: Oberwerk wooden tripod blem special
[Re: Francisco S.]
#2883662 - 01/23/09 07:17 PM
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Jim, That's the one. Is it 1/4-20 size?
Thanks
Yes, a 1/4"-20 bolt will slip through. 3/8" , too big.
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alanon
Nobody tells me anything
   
Reged: 06/29/07
Loc: Las Vegas
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Re: Oberwerk wooden tripod blem special
[Re: Jim7728]
#2883682 - 01/23/09 07:24 PM Attachment (66 downloads)
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Here is a very sturdy mount. It is a Helix Hercules on an Oberwerk tripod. Very sturdy indeed! Also it is one of the smoothest operating mounts I have ever felt.
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Jim7728
Postmaster
   
Reged: 04/10/05
Loc: Stoop Landing Observatory, NYC
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Re: Oberwerk wooden tripod blem special
[Re: alanon]
#2883714 - 01/23/09 07:41 PM Attachment (68 downloads)
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Cool setup, Dan. 
Yep! I use to a have Hercules fork on the Oberwerk, too.
Very capable alt/az!
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alanon
Nobody tells me anything
   
Reged: 06/29/07
Loc: Las Vegas
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Re: Oberwerk wooden tripod blem special
[Re: Jim7728]
#2883742 - 01/23/09 07:56 PM
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I highly recomend the combo.
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Starlighter
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Reged: 08/03/07
Loc: Sunny California
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Re: Oberwerk wooden tripod blem special
[Re: alanon]
#2883816 - 01/23/09 08:37 PM
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Can the Hercules be totally locked down?
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alanon
Nobody tells me anything
   
Reged: 06/29/07
Loc: Las Vegas
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Re: Oberwerk wooden tripod blem special
[Re: Starlighter]
#2883828 - 01/23/09 08:44 PM
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Oh yes. Note the size of the tension nobs. Lots of surface area to adjust from butter snooth to lift the rig up tight.
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Starlighter
Post Laureate
   
Reged: 08/03/07
Loc: Sunny California
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Re: Oberwerk wooden tripod blem special
[Re: alanon]
#2883840 - 01/23/09 08:50 PM
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This might be the ideal alt-azimuth mount I've been looking for. What would I need as far as mounting a Vixen style dovetail to the base of the Hercules?
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alanon
Nobody tells me anything
   
Reged: 06/29/07
Loc: Las Vegas
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Re: Oberwerk wooden tripod blem special
[Re: Starlighter]
#2883861 - 01/23/09 09:00 PM
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The oberwerk is the tripod and has a 3/8 16 threaded post. The Hercules is the helix brand mount. It takes either a 3/8 16 or a 1/4 20 stud
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Starlighter
Post Laureate
   
Reged: 08/03/07
Loc: Sunny California
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Re: Oberwerk wooden tripod blem special
[Re: alanon]
#2883882 - 01/23/09 09:12 PM
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But is there a way to mount a standard dovetail bracket to the swivel base of the Hercules so I can attach my scopes using the rings and dovetail shoe?
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alanon
Nobody tells me anything
   
Reged: 06/29/07
Loc: Las Vegas
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Re: Oberwerk wooden tripod blem special
[Re: Starlighter]
#2883886 - 01/23/09 09:14 PM
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Oh. Sorry. No you need a saddle plate to put on the mount.
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alanon
Nobody tells me anything
   
Reged: 06/29/07
Loc: Las Vegas
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Re: Oberwerk wooden tripod blem special
[Re: alanon]
#2883889 - 01/23/09 09:17 PM
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Or if you have a threaded set of holes in the dove tail, you could screw a couple of thumb screws to the dovetail from underneath. My WO ZS80 has a L bracket I will get you a close up pic if you like.
Edited by alanon (01/23/09 09:20 PM)
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Jim7728
Postmaster
   
Reged: 04/10/05
Loc: Stoop Landing Observatory, NYC
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Re: Oberwerk wooden tripod blem special
[Re: Starlighter]
#2883897 - 01/23/09 09:24 PM Attachment (64 downloads)
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Quote:
But is there a way to mount a standard dovetail bracket to the swivel base of the Hercules so I can attach my scopes using the rings and dovetail shoe?
Yes. I used this dovetail clamp on my Helix 8" fork.
http://www.scopestuff.com/ss_ds13.htm
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alanon
Nobody tells me anything
   
Reged: 06/29/07
Loc: Las Vegas
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Re: Oberwerk wooden tripod blem special
[Re: alanon]
#2883907 - 01/23/09 09:28 PM Attachment (60 downloads)
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I only put one thumb screw in but should get the Idea. Sorry my photography skills leave a lot to be desired.
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Francisco S.
member
Reged: 01/08/09
Loc: Bay Area, CA
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Re: Oberwerk wooden tripod blem special
[Re: alanon]
#2883987 - 01/23/09 10:06 PM
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My Oberwerk tripod came arrived today. First impressions - solid, sturdy, heavy, looks good, no Oberwerk engravings anywhere. I found no blems. One little scratch doesn't count, I am sure I will make some more with usage. $75 with $14 shipping to CA. Took 4 days.
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alanon
Nobody tells me anything
   
Reged: 06/29/07
Loc: Las Vegas
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Re: Oberwerk wooden tripod blem special
[Re: Francisco S.]
#2883999 - 01/23/09 10:10 PM
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Your gonna love that tripod! I do mine.
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