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Equipment Discussions >> Classic Telescopes

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teddyk1
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Reged: 09/11/09

Loc: Wisconsin
Re: Unitron 155 102mm new [Re: sgorton99]
      #5505798 - 11/05/12 06:31 PM

Looks Great

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starman876
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Reged: 04/28/08

Loc: VA
Re: Unitron 155 102mm new [Re: sgorton99]
      #5505856 - 11/05/12 07:27 PM

looks good

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sgorton99
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Reged: 04/30/08

Loc: Wisconsin, Madison
Re: Unitron 155 102mm new [Re: starman876]
      #5512756 - 11/10/12 07:24 AM

Sorry for the slow progress...

I was getting an oil change earlier this week at our local garage and talking to the owner, who was happily showing me his "new' bubble top gas pump from the 1930s. I started talking to him about painting the aluminum on the base of the mount, and he told me to bring it in and he could do it for me. He has better equipment and experience than I do by far! He thought might be done by end of next week. I also found a friend who is going to build a mount box for me, but I want to give him the complete mount as a guide as he is designing the interior.


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sgorton99
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Re: Unitron 155 102mm new [Re: sgorton99]
      #5525660 - 11/18/12 08:16 AM Attachment (37 downloads)

Well, deer season here in WI interrupted my mount painting garage owner (and winter car business!). So, picked up the mount base and took the complete mount to my carpenter friend who is building a box for me. I gave him pictures of what the original looked like, and asked for some extra nooks and crannies for storing goodies.

Yesterday I also received the lens w/cell pictured below that was surplus for someone else and they gave me a good price on it. Sent it to D&G Optical (Barry) for a professional servicing and new spacers (missing 2). Depending how that goes, will send the original lens that came with this scope for servicing. I know I could clean it myself with all the good advice I have received here, but like the idea of having it professionally done (and tested) the first time.

Edited by sgorton99 (11/18/12 08:18 AM)


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starman876
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Reged: 04/28/08

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Re: Unitron 155 102mm new [Re: sgorton99]
      #5525754 - 11/18/12 09:28 AM

You scored a lens. Grest find. I can only say that there are not many of these available. I know that Unitron near the end of their support started using Edmund lenses. They had to machine out the cell a couple of MM to make it fit. However, at $1000 not many people went for this option.

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sgorton99
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Reged: 04/30/08

Loc: Wisconsin, Madison
Re: Unitron 155 102mm new [Re: starman876]
      #5526282 - 11/18/12 02:51 PM Attachment (30 downloads)

Well, my "box guy" worked much faster than I thought. Here is the exterior.

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sgorton99
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Reged: 04/30/08

Loc: Wisconsin, Madison
Re: Unitron 155 102mm new [Re: sgorton99]
      #5526285 - 11/18/12 02:53 PM Attachment (23 downloads)

I asked him to make it larger than needed so I could store additional acc. inside. He also left the mount holders loose so I could position them when I set the mount for my latitude.

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sgorton99
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Reged: 04/30/08

Loc: Wisconsin, Madison
Re: Unitron 155 102mm new [Re: sgorton99]
      #5526286 - 11/18/12 02:53 PM Attachment (25 downloads)

Last one with inside of lid. Note the holders for control rods.

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akman1955
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Reged: 09/07/09

Loc: Alaska, USA
Re: Unitron 155 102mm new [Re: sgorton99]
      #5526682 - 11/18/12 07:32 PM

Very nice box for your mount!

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sgorton99
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Re: Unitron 155 102mm new [Re: akman1955]
      #5526692 - 11/18/12 07:38 PM

Thanks John. I am going to stain the outside very light to match the Unitron boxes, followed by a coat of varnish or 2. My carpenter friend recommends also varnishing the inside to help protect from moisture and warping. Do you guys thinks this will harm anything inside?

I will also use felt on the mount contact areas.


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akman1955
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Reged: 09/07/09

Loc: Alaska, USA
Re: Unitron 155 102mm new [Re: sgorton99]
      #5526701 - 11/18/12 07:41 PM

thats a good question about the inside of the box. all of my unitron boxs are unfinished inside of them. I wonder if there was a reason for that? john

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greju
Carpal Tunnel
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Reged: 10/13/05

Re: Unitron 155 102mm new [Re: sgorton99]
      #5526765 - 11/18/12 08:18 PM

There is a reason all the wood boxes "classics" came in are unfinished. While your carpenter friend looks like they do nice work he could learn a little from Norm Abrams about the finishing process.

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sgorton99
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Loc: Wisconsin, Madison
Re: Unitron 155 102mm new [Re: greju]
      #5526776 - 11/18/12 08:23 PM

Quote:

There is a reason all the wood boxes "classics" came in are unfinished. While your carpenter friend looks like they do nice work he could learn a little from Norm Abrams about the finishing process.




Could you elaborate please?


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greju
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Reged: 10/13/05

Re: Unitron 155 102mm new [Re: sgorton99]
      #5526783 - 11/18/12 08:26 PM

It needs to breathe.

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clintwhitman
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Reged: 01/01/07

Loc: CALI SoEasyACavemanCanSlewIt
Re: Unitron 155 102mm new [Re: sgorton99]
      #5527400 - 11/19/12 07:11 AM Attachment (15 downloads)

Steve the new lens looks great, sending it to Barry is a great idea he is very good at what he does and this is right up his alley. The box looks great as to finishes it is really up to you. My best cases are pelican cases and they don't breath,,, Your mount is a very close match to the 1954 mount I have. Is there a built in clutch incorporated in the knob on the other side of the mount?

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sgorton99
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Reged: 04/30/08

Loc: Wisconsin, Madison
Re: Unitron 155 102mm new [Re: clintwhitman]
      #5527403 - 11/19/12 07:22 AM

Thanks Clint. No, both knobs are smooth with no clutch.

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teddyk1
professor emeritus
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Reged: 09/11/09

Loc: Wisconsin
Re: Unitron 155 102mm new [Re: sgorton99]
      #5527448 - 11/19/12 08:07 AM

Looks beautiful Steve
Like to ask you if you had any problems adjusting the the worm gear for play


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akman1955
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Loc: Alaska, USA
Re: Unitron 155 102mm new [Re: clintwhitman]
      #5527449 - 11/19/12 08:08 AM

I think the wood case unfinished inside were a old fashion way of getting rid of moisture where new case's use dessicate for removing moisture hence why they were sealed.. just a thought. john

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teddyk1
professor emeritus
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Reged: 09/11/09

Loc: Wisconsin
Re: Unitron 155 102mm new [Re: akman1955]
      #5527466 - 11/19/12 08:27 AM

I would guess contamination
Varnish will emit vapors for a long time
Not a good thing for optics


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starman876
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Reged: 04/28/08

Loc: VA
Re: Unitron 155 102mm new [Re: teddyk1]
      #5527567 - 11/19/12 09:51 AM

Great looking mount box. Did he make that just form pictures or did the carpenter have some measurements to go by?

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