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Equipment Discussions >> ATM, Optics and DIY Forum

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Brent Campbell
sage


Reged: 02/09/10

Loc: Olympia, WA
Has anyone buit an Alt Atz Mount before new
      #5639198 - 01/23/13 04:25 PM

I have a dilema:

I have an Orion Express 80 and I am having trouble with it. I was planning on using the mount from a Celestron 102 GT (with beefed up tripod legs from a larger Celestron Nexstar mount) to use this thing. Trouble is the Nexstar mount broke down after about 5 minutes..I only had $30.00 into this mount so no foul for me!

I am short of funds for astro toys right now. (Two brake jobs and a piano to buy for my little one) I have the following resources.

1) The large aluminum tripod from the Nexstar- similar to what would be on a nexstar 5
2) a couple of nice velbon camera tripods that are just too darn small. The one I can can use for canabilization has a geared center post. The tripod head is nothing to write home about however.
3) Dovetail bar for the Express 80 - although it natively accepts camera tripods
4) Parts from the 102 GT mount-most specifically the vixen saddle which is removable by using a bolt. Its a circular piece of metal with a center bolt with the saddle on it.
5) An extensive collection of woodworking tools
6) The scope which appears to be a beauty with excellent optics and is complete except for the mount.

I need ideas....How can I shake real hard, add some work, and come up with a usable tripod. I have considered a pipe mount but I am afraid that it woudl be too heavy. Any mount pictures out there?


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S.Boerner
sage


Reged: 04/29/10

Loc: Eastern Missouri
Re: Has anyone buit an Alt Atz Mount before new [Re: Brent Campbell]
      #5639212 - 01/23/13 04:35 PM

Look at Berry Mounts (Richard Berry).

One thread here:
http://www.cloudynights.com/ubbthreads/showflat.php/Number/4542136


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neo
Carpal Tunnel
*****

Reged: 02/12/08

Loc: Iasi, Romania
Re: Has anyone buit an Alt Atz Mount before new [Re: S.Boerner]
      #5639238 - 01/23/13 04:59 PM Attachment (51 downloads)

Here's my quick and dirty mount that I built a while back out of metal brakets (or whatever you call them) used for wood constructions and some teflon washers. Simple and cheap.

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StarStuff1
Post Laureate
*****

Reged: 04/01/07

Loc: South of the Mason-Dixon Line
Re: Has anyone buit an Alt Atz Mount before new [Re: S.Boerner]
      #5639239 - 01/23/13 05:00 PM Attachment (41 downloads)

A pipe mount doesn't have to be that heavy.

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StarStuff1
Post Laureate
*****

Reged: 04/01/07

Loc: South of the Mason-Dixon Line
Re: Has anyone buit an Alt Atz Mount before [Re: StarStuff1]
      #5639241 - 01/23/13 05:03 PM Attachment (35 downloads)

Lightweight tripods made out of wood can be very sturdy.

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scopemankit
sage


Reged: 01/27/09

Loc: south africa
Re: Has anyone buit an Alt Atz Mount before new [Re: StarStuff1]
      #5641120 - 01/24/13 05:34 PM Attachment (26 downloads)

Here is a simple but very effective alt-az mount. On the vertical down pressure are a teflon pad and a ball bearing and on the up pressure, a ball bearing. The alt bearings are three cd's bonded together running on a nylon friction pad.

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Ed D
Carpal Tunnel
*****

Reged: 04/30/10

Loc: Sunny South Florida
Re: Has anyone buit an Alt Atz Mount before new [Re: scopemankit]
      #5641468 - 01/24/13 08:55 PM Attachment (26 downloads)

Here's my wood Alt-Az mount on a construction tripod.

Ed D


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Astrowood
sage
*****

Reged: 04/02/05

Loc: New Brunswick, Canada
Re: Has anyone buit an Alt Atz Mount before new [Re: Ed D]
      #5641588 - 01/24/13 09:52 PM Attachment (24 downloads)

Lots of good ideas in this thread. Here is the one I made

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Pinbout
Postmaster
*****

Reged: 02/22/10

Loc: nj
Re: Has anyone buit an Alt Atz Mount before new [Re: Astrowood]
      #5641642 - 01/24/13 10:22 PM Attachment (24 downloads)

I drew a alt az head with 4in round bearing surface and posted it to sketch-up site...

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ed_turco
Pooh-Bah
*****

Reged: 08/29/09

Loc: Lincoln, RI
Re: Has anyone buit an Alt Atz Mount before new [Re: Pinbout]
      #5642390 - 01/25/13 11:35 AM Attachment (28 downloads)

You could always try this; it is only a suggestion but ****ed sturdy and cheap.

The tripod head and crutches weigh only 5 pounds and I sat on the thing to see if it would hold up. I think 200 pounds for a tripod that cost me next to nothing, has to be pretty good.

Edited by ed_turco (01/25/13 11:38 AM)


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