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Equipment Discussions >> Classic Telescopes

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tim53
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Reged: 12/17/04

Loc: Highland Park, CA
Re: Elli Buk Cave 10" Cassegrain [Re: mustgobigger]
      #5845198 - 05/07/13 09:52 AM

Quote:

thats what i do....finishing compound with a wheel in a small
area...to see results.
its nice to get out and do the work the guys in warmer climates
can do all year long.
thats why i just redid my basement a month ago.
no more idle winters.
great job on the cave....glad someone here got it.




I recognize the workbenches, because last weekend my son and I did the same thing for his guitar shop - put two together just like that!

-Tim.


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mustgobigger
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Reged: 06/12/07

Loc: Michigan
Re: Elli Buk Cave 10" Cassegrain *DELETED* [Re: starman876]
      #5846581 - 05/07/13 08:47 PM

Post deleted by mustgobigger

Edited by mustgobigger (05/07/13 08:50 PM)


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herrointment
Post Laureate
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Reged: 03/12/11

Loc: North of Hwy. 64
Re: Elli Buk Cave 10" Cassegrain *DELETED* [Re: mustgobigger]
      #5846590 - 05/07/13 08:52 PM

Post deleted by herrointment

Edited by herrointment (05/07/13 09:02 PM)


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mustgobigger
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Reged: 06/12/07

Loc: Michigan
Re: Elli Buk Cave 10" Cassegrain *DELETED* [Re: herrointment]
      #5846604 - 05/07/13 08:57 PM

Post deleted by mustgobigger

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mustgobigger
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Reged: 06/12/07

Loc: Michigan
Re: Elli Buk Cave 10" Cassegrain [Re: mustgobigger]
      #5846621 - 05/07/13 09:04 PM

tom ill move these so i dont clog up your cave post.

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turk123
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Reged: 07/09/10

Loc: N.E. Ohio
Re: Elli Buk Cave 10" Cassegrain [Re: mustgobigger]
      #5846756 - 05/07/13 10:18 PM Attachment (43 downloads)

Back to the scope.

I thought about the rubbing compound and cheese cloth and then it kind of hit me. I've owned 2 sailboats in my life and these tubes are nothing but fiberglass and gelcoat. Same as a sailboat. So I decided to use what I am use too. 3M makes a product called Finese-it II. It is a very light rubbing compound mainly used to get rid of swirl marks in paint finish. It is used almost exclusively on gelcoat. You have to use a buffer, preferably an orbital buffer as the compound is so light that hand polishing would take forever.

After the buffing I used another sailboat item, fleet wax. I used the buffer to shine it up. What do you think? I think it looks great especially compared to the original pictures of this scope. I was worried then, not anymore!


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Datapanic
Carpal Tunnel
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Reged: 10/17/09

Loc: Tucson, Arizona
Re: Elli Buk Cave 10" Cassegrain [Re: turk123]
      #5846767 - 05/07/13 10:23 PM

Looks nice! How did it do on the spider-cracks? It seems to me that with a good, clean polish that they don't look as bad afterwards.

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turk123
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Reged: 07/09/10

Loc: N.E. Ohio
Re: Elli Buk Cave 10" Cassegrain [Re: Datapanic]
      #5846779 - 05/07/13 10:29 PM

Quote:

Looks nice! How did it do on the spider-cracks? It seems to me that with a good, clean polish that they don't look as bad afterwards.




The only spider cracks on the tube are around the finder ring holes. These are deep enough to have a black color to them. The wax did not cover. Fortunately, most of them will be covered by the finder ring mounts.


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Steve_M_M
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Reged: 06/09/04

Loc: Moorpark, CA
Re: Elli Buk Cave 10" Cassegrain [Re: turk123]
      #5846781 - 05/07/13 10:30 PM

That looks awesome. It always amazes me how well classic scopes clean up with some TLC. Very nice job!

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turk123
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Reged: 07/09/10

Loc: N.E. Ohio
Re: Elli Buk Cave 10" Cassegrain [Re: Steve_M_M]
      #5846818 - 05/07/13 10:42 PM

Quote:

That looks awesome. It always amazes me how well classic scopes clean up with some TLC. Very nice job!




Thanks Steve.

The finesse-it compound is also very forgiving. You do not have to worry about "burning" a hole through the finish it is so light like I did on a previous scope with 2000 grit sandpaper. Again, you must use a buffer with this stuff.


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turk123
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Reged: 07/09/10

Loc: N.E. Ohio
Re: Elli Buk Cave 10" Cassegrain [Re: turk123]
      #5846835 - 05/07/13 10:52 PM Attachment (41 downloads)

OK. So here is a Cave catalog picture of the 10" cave Cass telescope. Notice it has "polished" rings. Most pictures show just painted rings. I like the polish. What do you think???

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Datapanic
Carpal Tunnel
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Reged: 10/17/09

Loc: Tucson, Arizona
Re: Elli Buk Cave 10" Cassegrain [Re: turk123]
      #5846863 - 05/07/13 11:10 PM

If it were me, I'd go with polished as pictured. I wouldn't paint the tube grey though. It might me nice to accent the Pier Cap, Clock Drive Housing, Cradle and Leg Levelers with wrinkle black, but that's your call.

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turk123
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Reged: 07/09/10

Loc: N.E. Ohio
Re: Elli Buk Cave 10" Cassegrain [Re: Datapanic]
      #5846883 - 05/07/13 11:21 PM

Quote:

If it were me, I'd go with polished as pictured. I wouldn't paint the tube grey though. It might me nice to accent the Pier Cap, Clock Drive Housing, Cradle and Leg Levelers with wrinkle black, but that's your call.




Painting the tube was never an option. I like the idea of possible using the wrinkle black as a highlight. Guess I'll mess around in photoshop.


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albert1
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Reged: 01/01/07

Loc: Southern New Jersey
Re: Elli Buk Cave 10" Cassegrain [Re: turk123]
      #5846944 - 05/08/13 12:13 AM

I'm with you, keep the rings polished and the tube white. Your sailboat experience paid off on that OTA - what a difference. Nice job!

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John Higbee
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Reged: 07/17/12

Loc: Virginia
Re: Elli Buk Cave 10" Cassegrain [Re: albert1]
      #5847174 - 05/08/13 05:46 AM

Tom - The combination of white tube, polished components per the ad picture, and wrinkle black components per Dan's list, would look great!

John


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Jim Curry
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Reged: 10/29/07

Loc: STL
Re: Elli Buk Cave 10" Cassegrain [Re: John Higbee]
      #5847240 - 05/08/13 07:27 AM

Good stuff, Turk. I've got a 10" f/5 Cave that's going to need some work so your documentation is a great help.

Jim


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mustgobigger
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Reged: 06/12/07

Loc: Michigan
Re: Elli Buk Cave 10" Cassegrain [Re: Jim Curry]
      #5847272 - 05/08/13 08:01 AM

Polish...+

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turk123
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Reged: 07/09/10

Loc: N.E. Ohio
Re: Elli Buk Cave 10" Cassegrain [Re: mustgobigger]
      #5847309 - 05/08/13 08:36 AM

Quote:

Polish...+




I'm going to take a ring outside and run it through the polish wheels to see how it looks. The machining rings in the metal will stop it from getting a mirror finish, but maybe that is good. Imperfections is the metal also will show, but the polishing should limit this.

OK, back to paint stripping. Love this "aircraft remover". Absolutely no need for bead stripping and roughing up the surface.


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turk123
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Reged: 07/09/10

Loc: N.E. Ohio
Re: Elli Buk Cave 10" Cassegrain [Re: turk123]
      #5847413 - 05/08/13 09:48 AM Attachment (25 downloads)

The rings got a coat of the famous "aircraft remover".

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turk123
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Reged: 07/09/10

Loc: N.E. Ohio
Re: Elli Buk Cave 10" Cassegrain [Re: turk123]
      #5847417 - 05/08/13 09:51 AM Attachment (23 downloads)

In about 6-7 minutes you can begin to scrape (and I use that term lightly) the paint away. More like the paint just falls away from the aluminum. I hope I don't wake up tomorrow with a pool of aluminum on the floor.

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