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Equipment Discussions >> ATM, Optics and DIY Forum

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Larry Silvestri
member


Reged: 01/29/13

Re: Post your home made scope new [Re: droid]
      #5655141 - 01/31/13 09:47 PM Attachment (164 downloads)

12" f6 Newtonian on my very old Starliner mount. Rotating rings are 14" lazy-suzans. This is my best performing scope.

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Larry Silvestri
member


Reged: 01/29/13

Re: Post your home made scope new [Re: StarStuff1]
      #5655199 - 01/31/13 10:24 PM

Quote:

Larry, that is a super good looking pipe mount!
But what are the straps going below the deck for? A counterweight?



Thank you! The 8" f11 stays outside all the time, so the straps fasten a canvas tarp to keep the weather off when the scope is not in use.


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Larry Silvestri
member


Reged: 01/29/13

Re: Post your home made scope new [Re: starman345]
      #5655266 - 01/31/13 11:00 PM

Quote:

Nice scopes Larry, love the cassegrain




Thank you! I have spent a lot of time on it. I re-figured the primary a few times, and made a few new secondaries. Each iteration is a slight improvement. The f3 primary is demanding of surface accuracy and the whole system needs close alignment. I enjoy the challenge, but when I just want to look at stars, I'll use a long Newtonian.


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bremms
Carpal Tunnel
*****

Reged: 08/31/12

Loc: SC
Re: Post your home made scope new [Re: StarStuff1]
      #5655269 - 01/31/13 11:01 PM Attachment (158 downloads)

That is a nice collection Larry! Guess I can post my most recent. Poor camera pic from this evening.
103mm F15 Jaegers lens. I machined the lens cell, rear cell and the finder.


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droid
rocketman
*****

Reged: 08/29/04

Loc: Conneaut, Ohio
Re: Post your home made scope new [Re: bremms]
      #5657621 - 02/02/13 06:28 AM

bemms; the down angle shot your scope makes it look like a 50mm table top scope,

After I read the size and make I did a double take


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Ed D
Carpal Tunnel
*****

Reged: 04/30/10

Loc: Sunny South Florida
Re: Post your home made scope new [Re: droid]
      #5657671 - 02/02/13 08:00 AM Attachment (154 downloads)

This is my 'Little Dipper' project, about one week into making sawdust. The composite pic shows the primary end and my method of mirror attachment, as well as the 'tube' next to me for scale. I just lightly pressed together the poles and parts to see how it was coming along. Oh, in case you're wondering, it's going to be a 6" f/8 using the old Synta mirror from Mighty Mouse, pictured in my avatar.

Thanks to my friend Brian for inspiring me to build this scope. I'm really enjoying the project.

Ed D

Edited by Ed D (02/02/13 08:08 AM)


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droid
rocketman
*****

Reged: 08/29/04

Loc: Conneaut, Ohio
Re: Post your home made scope new [Re: Ed D]
      #5657706 - 02/02/13 08:45 AM

Ed; nice.....I see the smaller holes in the mirror plate, assume theres a larger one on the bottem to allow air flow?

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Tom Clark
professor emeritus
*****

Reged: 11/14/07

Loc: North of Deming, NM
Re: Post your home made scope new [Re: droid]
      #5657716 - 02/02/13 08:55 AM Attachment (167 downloads)

The Yard Scope, built in 1992. It is a 36" f/5. Photo taken at the '94 WSP.

The guys in the photo (L-R) are Jack Newton, Richard Berry, and Don Parker.


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Tom Clark
professor emeritus
*****

Reged: 11/14/07

Loc: North of Deming, NM
Re: Post your home made scope new [Re: Tom Clark]
      #5657721 - 02/02/13 08:59 AM Attachment (124 downloads)

A few of my travel scopes, including (L-R) a 12" f/6, 10" f6, 8" f/6, and a 24" f/4.5.

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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Post your home made scope new [Re: Larry Silvestri]
      #5657912 - 02/02/13 11:02 AM

Quote:

This is a 8" f11 with a permanent outdoor pipe mount.




Beautiful! Was this scope or mount in S&T several years ago??

-Tim.


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Ed D
Carpal Tunnel
*****

Reged: 04/30/10

Loc: Sunny South Florida
Re: Post your home made scope new [Re: droid]
      #5657928 - 02/02/13 11:12 AM

Quote:

Ed; nice.....I see the smaller holes in the mirror plate, assume theres a larger one on the bottem to allow air flow?




Actually, not at this time, although the base plate is center punched should I want to cut a hole and maybe install a fan at a later date. Humidity is the biggest problem we have in the everglades and the open design and use of wood will immensely help. There is ample space between the base plate and the mirror cell for air flow. We get nice ocean breezes that keep the air moving, and we also use box fans to blow the mosquitoes off us which also circulates air around the scopes.

Ed D

Edited by Ed D (02/02/13 11:18 AM)


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Ed Jones
Carpal Tunnel
*****

Reged: 04/06/04

Loc: Sin-sin-atti
Re: Post your home made scope new [Re: Ed D]
      #5658098 - 02/02/13 12:54 PM Attachment (131 downloads)

This is my 10 inch travel scope and my scaled up 16 inch.

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plyscope
Pooh-Bah


Reged: 11/23/06

Loc: Perth, West Australia
Re: Post your home made scope new [Re: Tom Clark]
      #5658501 - 02/02/13 04:54 PM

Great pictures everyone, keep them coming!

It is wonderful to see Richard Berry in this thread, as well as Jack Newton and Don Parker, good picture Tom and great scopes.

Edited by plyscope (02/02/13 06:20 PM)


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ed_turco
Pooh-Bah
*****

Reged: 08/29/09

Loc: Lincoln, RI
Re: Post your home made scope new [Re: plyscope]
      #5658608 - 02/02/13 05:53 PM Attachment (128 downloads)

This is my 12" f/6 Newt that I made in 1997 and cost only $300. This was because I scavenged around for two years for stuff. Ground and polished by me.

And yes, this made S&T in 1998 or so. I sure was looking better and doing a lot better in 1997!


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droid
rocketman
*****

Reged: 08/29/04

Loc: Conneaut, Ohio
Re: Post your home made scope [Re: ed_turco]
      #5658709 - 02/02/13 06:37 PM

Ed; I remember that article fondly, I still have the magazine, folded open to the article, I was inspired to do something similiar, alas life etc got in he way.
Yes a much younger you, do you still have this scope?


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Dan Watt
professor emeritus
*****

Reged: 10/13/09

Loc: Oceanside, Calfornia.
Re: Post your home made scope [Re: droid]
      #5658800 - 02/02/13 07:47 PM

My 8" f4 newtonian astrograph.



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droid
rocketman
*****

Reged: 08/29/04

Loc: Conneaut, Ohio
Re: Post your home made scope [Re: Dan Watt]
      #5659142 - 02/02/13 11:45 PM

Dan , love it.....but man thats a mass of wires, lol.
Love the carbon fibre tube


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gcs111
member
*****

Reged: 05/01/07

Re: Post your home made scope [Re: droid]
      #5659290 - 02/03/13 02:06 AM Attachment (153 downloads)

My girlfriend made this 10" f-6 scope...ground her mirror and it's a keeper.

Edited by gcs111 (02/03/13 02:14 AM)


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Chucky
sage
*****

Reged: 04/16/10

Loc: Dublin, Ohio
Re: Post your home made scope [Re: gcs111]
      #5659428 - 02/03/13 07:05 AM

<< My girlfriend made this 10" f-6 scope >>

Tell her I'm impressed. Great job!!


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starman345
Wait, I'm Thinking
*****

Reged: 07/06/10

Loc: New Brunswick, Canada
Re: Post your home made scope [Re: gcs111]
      #5659466 - 02/03/13 07:42 AM

Quote:

My girlfriend made this 10" f-6 scope...ground her mirror and it's a keeper.



I would say she is a keeper too, nice telescope


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