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Equipment Discussions >> Classic Telescopes

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Dave M
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Reged: 08/03/04

Loc: Ohio
Re: Unitron 131-C new [Re: starman876]
      #5768388 - 03/31/13 09:53 AM

Thanks Johann..

Thanks! Again Terra..

Edited by Dave M (03/31/13 10:05 AM)


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Dave M
Postmaster
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Reged: 08/03/04

Loc: Ohio
Re: Unitron 131-C new [Re: nightpilot]
      #5768420 - 03/31/13 10:03 AM

Thanks Bob,
For the tripod legs i lightly sanded them, then restained using ( ZAR brand ) oil wood stain #138 Spanish Oak.
The tripod legs are a philippine mohagany, the Zar Spanish Oak was a very very close match to the original color stain.
I finished/sealed with a Minwax Satin polyurethane.

One other thing, the only repainting i did on this scope was to repaint the finder scope. On it i used Krylon Fusion
White Gloss, its a nearly perfect match. Its great stuff on metal, dries to touch after 15 minutes, handle after an hr, fully chip resistant after 7 days, stuff is tough as nails.


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xavier
sage
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Reged: 10/31/07

Loc: Belgium
Re: Unitron 131-C new [Re: Dave M]
      #5768485 - 03/31/13 10:34 AM

Great restoration. The scope and mount look like new.
What about performance?


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Dave M
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Reged: 08/03/04

Loc: Ohio
Re: Unitron 131-C new [Re: xavier]
      #5768811 - 03/31/13 01:31 PM

Hi Xavier, Thank You..
Hopefully i can get some clear sky soon to evaluate its performance, looks like clouds for atleast the next few days.


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nightpilot
super member
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Reged: 02/16/12

Loc: Southern Suburbs, Chicago
Re: Unitron 131-C new [Re: Dave M]
      #5768864 - 03/31/13 01:55 PM

Dave,

They look great ... so does the whole scope as I said. I have a model 128C that I need to address the tripod legs on (as part of a cleanup and restore). I think I am going to clean them and see what needs to be done for that. I get the Yips everytime I go to do it. Dont want to mess up. I will have to bite the bullet and go for it.


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starman876
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Reged: 04/28/08

Loc: VA
Re: Unitron 131-C new [Re: nightpilot]
      #5769005 - 03/31/13 03:03 PM

Those untron legs clean up so well. A good sanding and some clear poly and they look like new.

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Dave M
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Reged: 08/03/04

Loc: Ohio
Re: Unitron 131-C new [Re: nightpilot]
      #5769012 - 03/31/13 03:07 PM

Thanks!

Mine was fairly scratched up and some of the original finish was worn off, so i decided to match the original stain color and refinish.
Its some fairly soft wood so i just lightly sanded with 150 grit useing a vibrating palm sander and followed with 320, then stained. Wipe any excess stain off with a dry rag, let them sit overnight, then wipe them down with a tac cloth and spray with the clear polyurethane the next day.
I was kinda surprised how thin and easy the original stain came off. Now i feel that they are properly stained and sealed..


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starman876
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Reged: 04/28/08

Loc: VA
Re: Unitron 131-C new [Re: Dave M]
      #5769022 - 03/31/13 03:09 PM

I was surprised also how easily they clean up. An hour or two and you have legs that look like new.

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DanWray
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Reged: 10/11/06

Loc: Denver, CO, USA
Re: Unitron 131-C new [Re: starman876]
      #5784303 - 04/07/13 04:56 PM

Sorry I am coming late to this discussion. I have a 131-C with a green coated lens #C504. I didn't get the boxes with mine and the solar screens are missing. Are screens fron any other Unitrons the same size? What are the dimentions?

Dan


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Dave M
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Reged: 08/03/04

Loc: Ohio
Re: Unitron 131-C new [Re: DanWray]
      #5784940 - 04/07/13 10:25 PM

Hi Dan, I`m not sure if any screens from any of the bigger scopes would work or not, I can measure my screens tomorrow for you. Someone else may chime in as to if any other screens will work.

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Dave M
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Reged: 08/03/04

Loc: Ohio
Re: Unitron 131-C new [Re: Dave M]
      #5786122 - 04/08/13 02:13 PM

Dan, the dimensions of my solar plates are
5 7/8" Wide x 7 1/2" High, That`s for the metal plates only, doesn`t include the little bracket that slides onto the rod.


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starman876
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Reged: 04/28/08

Loc: VA
Re: Unitron 131-C new [Re: Dave M]
      #5786163 - 04/08/13 02:34 PM

same size as the ones I have

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DanWray
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Reged: 10/11/06

Loc: Denver, CO, USA
Re: Unitron 131-C new [Re: starman876]
      #5787234 - 04/09/13 01:25 AM

Thanks guys. Now the question is, is that size unique to the 131-C.

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Dave M
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Reged: 08/03/04

Loc: Ohio
Re: Unitron 131-C new [Re: DanWray]
      #5787505 - 04/09/13 07:31 AM

That I don't know, but Johann or someone else might be able to answer that question..

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starman876
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Reged: 04/28/08

Loc: VA
Re: Unitron 131-C new [Re: Dave M]
      #5787733 - 04/09/13 10:08 AM

I think they are the same size as they 4" ones. Because of the way they mount on the 131C and the 131C being a larger diameter OTA. I will measure when I have a chance.

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akman1955
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Reged: 09/07/09

Loc: Alaska, USA
Re: Unitron 131-C new [Re: starman876]
      #5789716 - 04/10/13 07:54 AM

wrong Johann.. the 4 inch unitron sun screens are fatter and do not fit and the 75mm unitron sun screens are to small in length. the compact sunscreens are totally different diminsions and only fit the compacts. Set a 4',3' and compact sunscreen side by side and you will see..

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starman876
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Reged: 04/28/08

Loc: VA
Re: Unitron 131-C new [Re: akman1955]
      #5789727 - 04/10/13 08:04 AM

Ooops. I will have to do that. Thanks for the heads up Clint

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Dave M
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Reged: 08/03/04

Loc: Ohio
Re: Unitron 131-C new [Re: starman876]
      #5789934 - 04/10/13 10:25 AM

So bottom line, all plates are different and specific to the model telescope they came with ?

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starman876
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Reged: 04/28/08

Loc: VA
Re: Unitron 131-C new [Re: Dave M]
      #5790626 - 04/10/13 04:08 PM

well, to those that know the difference

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terraclarke
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Reged: 05/29/12

Loc: Just South of the Mason-Dixon ...
Re: Unitron 131-C new [Re: Dave M]
      #5791521 - 04/10/13 10:58 PM

Not different for each model but for each OTA diameter because since its a straight thru and not a right angle projection system and thus requires a perforated shade screen, the distance from the center of the rod to the center of the drawtube varies with the diameter of the OTA making it necessary to have a variety of sizes.

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