tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Orange C-8 #135 due today!
[Re: tim53]
#5058401 - 02/06/12 12:41 PM
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Well, I can report that I got no work done on Tinky over the weekend!
Saturday was for working on the house, but Sunday was going to be a Tinky day (I don't do sports, so I didn't plan to watch the game). A week and a half ago, my niece and her boyfriend said they'd like to come up on Sunday and help me work on my '29 Model A Fordor sedan. Of course, I figured "Yes" meant "maybe" and "maybe" meant "no". They'd said "yes", so I figured my chances of having time for the scope were pretty good!
Well, they showed up and my son and his friend got fired up too, and we all worked on the Fordor!
More scope stuff this weekend!
-Tim.
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Tinky's got paint!
[Re: tim53]
#5066076 - 02/10/12 07:30 PM Attachment (20 downloads)
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Some of it anyway.
I had to make a run to get some more of the etching primer to finish priming the fork arms because I ran out on them. The primer hadn't dried by this afternoon, so I decided to start with the black inside the tube. That also gave me the chance to practice with my new Harbor Freight HVLP spray gun using some not so expensive paint. I had a quart can of rustoleum flat black that I've used on scopes before. So I practiced with that.
Here's the tube with the outside masked, getting ready to paint the inside:
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: tim53]
#5066078 - 02/10/12 07:31 PM Attachment (18 downloads)
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Here's the black all sprayed in and drying:
Edited by tim53 (02/10/12 07:32 PM)
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: tim53]
#5066082 - 02/10/12 07:33 PM Attachment (15 downloads)
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Well, it's not that shiny if you don't shoot directly toward the sun!
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: tim53]
#5066087 - 02/10/12 07:35 PM Attachment (17 downloads)
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So, the next thing I did was to paint all the "dark anthracite" parts. The tube inside and fork arms I'll let dry until tomorrow, and maybe paint them then if it doesn't rain like the weatherfolks said it might:
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: tim53]
#5066088 - 02/10/12 07:36 PM Attachment (14 downloads)
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That surface in the center is the serial plaque. I decided to carefully mask it off rather than try removing it without damaging it.
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: tim53]
#5066090 - 02/10/12 07:38 PM Attachment (15 downloads)
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^tabletop legs and fork base. I really like the way this Dark Anthracite color looks!
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: tim53]
#5066092 - 02/10/12 07:39 PM Attachment (15 downloads)
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I'll probably brush paint the black inside the cell, above, rather than try masking it for spraying.
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: tim53]
#5066096 - 02/10/12 07:41 PM Attachment (16 downloads)
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Finally, miscellaneous pieces parts, hanging up in my shop on welding rods:
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BRisley
Carpal Tunnel
Reged: 09/04/06
Loc: SW Florida
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Re: Tinky's got paint!
[Re: tim53]
#5066249 - 02/10/12 09:16 PM
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More Deja Vu... I used fence ties to hold my stuff up.
Brian
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dbledsoe
Pooh-Bah
Reged: 06/09/06
Loc: Boise, Idaho USA
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Re: Tinky's got paint!
[Re: tim53]
#5066269 - 02/10/12 09:32 PM
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Tim,
Thank you for a very interesting and informative rebuild thread. I have a vintage orange tube C8 but it's not as old as yours. I date mine to the early 1980's based on what the original owner told me i.e., it was bought several years before the 86 appearance Halley's comet (ruling out it being one of the junk scopes turned out just prior to 86). I bought it from the original owner who used it infrequently and it was always stored indoors in its case so it is in beautiful near new condition with Strabright coatings.
The C8 was a scope I lusted after back in the 70's & 80's but could not justify the cost while raising a family, buying a house, chasing the American dream, etc. But I made up for it and finally got the beautiful orange tube C8 a few years back, and got it locally ta boot. 
Don
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: dbledsoe]
#5069210 - 02/12/12 04:46 PM Attachment (17 downloads)
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Hi folks:
Okay, squoze off some time to squirt the rest of the parts with paint. Well, there will be some smaller parts I might paint black where the anodized coating has blemishes in it - mainly the adapter to the visual back where the earlier units had the helical focuser.
Paint came out pretty good, despite my inexperience with this new gun. Worst part was getting all the lint out of the tube paint! But I got most of it, and I put enough coats on it that it should be easy enough to rub the remainder off without going through the paint.
I've got to work on the Model A with my son the rest of the afternoon, and next weekend. So the paint will have a couple weeks to dry really good.
The auto paints guy I talked to yesterday called about the availability of the Alsacorp soft feel clear, and they said they have it in stock. $120/quart kit! The paint looks nice enough that I might not bother making it feel like suede, but I probably will. After all, I do have the 1975 mint C-8 to use, so taking my time with Tinky is no problem. So long as I don't get anxious and want to see it done so bad that I start putting everything back together!
Anyway, here's the fork arms and dec circle covers:
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: tim53]
#5069212 - 02/12/12 04:47 PM Attachment (12 downloads)
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Other side of the fork arms:
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: tim53]
#5069218 - 02/12/12 04:48 PM Attachment (11 downloads)
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I then hung these parts up, cleaned my gun and squirted the orange on the finder tube and main tube:
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: tim53]
#5069222 - 02/12/12 04:50 PM Attachment (13 downloads)
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And the main tube. I thought about masking the inside so I don't overspray on the black inside the tube, but cogitated just a moment at how hard that was going to be to do, and decided I'll mask the orange and shoot the inside again in a couple of weeks.
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: tim53]
#5069229 - 02/12/12 04:54 PM
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I ended up using almost all of the dark anthracite, about 2/3 of the orange, and less than half of the grey beige.
Depending on how I feel about it, I might shoot the drive base again to lay it on a little wetter, but if I shoot the alsacorp clear over it, I don't think it'll matter - the sheen of the suede should be pretty flat.
Okay, off to work on the Model A!
-Tim.
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Bill Griffith
sage
Reged: 08/12/09
Loc: Ca.
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Re: Tinky's got paint!
[Re: tim53]
#5071437 - 02/14/12 12:14 AM
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Tim,
All the parts you've prepped and painted look great! 
Pretty good looking paint gun, is it a H freight purchase?
About Tinky, I noticed some (what I presume are) mounting holes in the rear cell for attachment to the tube? When disassembling was there an epoxy like adhesive that also secured the rear cell to the tube?
S/N 31 has no holes in the rear cell for attaching the cell to the tube. Bob P. explains in his book (so I've been told) that early C8's had only an epoxy to secure the rear cell and tube together. Dis-assembly required heating aggressively the rear cell to detach the tube.
I have only seen a few of the table base wedges for C8s as well. That would certainly make that scope a Grab N Go.
Side: Do you or anybody know when Celestron switched from a coaxial focus adjustment on early C8s
Bill
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Ken Launie
member
Reged: 04/14/08
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Re: Tinky's got paint!
[Re: Bill Griffith]
#5071822 - 02/14/12 10:28 AM Attachment (15 downloads)
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Hi Bill,
I read somewhere (probably either on this list or in the first ed of Bob P's Celestron CD) that the coaxial focus was only done for the first 87 C8's. S/N 22 (shown) also has the tube glued to the rear cell.
I agree that the table wedge would be a very nice thing to have with mine. I've never seen one in person, alas.
--Ken
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: Bill Griffith]
#5071897 - 02/14/12 11:16 AM
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Quote:
About Tinky, I noticed some (what I presume are) mounting holes in the rear cell for attachment to the tube? When disassembling was there an epoxy like adhesive that also secured the rear cell to the tube?
Hi Bill: Well, there are no holes in the tube itself, and it did look like some kind of glue or epoxy held it together. There is some residual spot or two of what's probably epoxy on the inside of the cell, but that had probably been broken loose when the scope was disassembled in the past (I know it was, because the seam wasn't on the bottom of the OTA and the marks on the corrector and primary weren't lined up). The grody stuff was probably contact cement or something else that reacted with the paint to make more of a mess in there.
Quote:
S/N 31 has no holes in the rear cell for attaching the cell to the tube. Bob P. explains in his book (so I've been told) that early C8's had only an epoxy to secure the rear cell and tube together. Dis-assembly required heating aggressively the rear cell to detach the tube.
This makes sense.
Quote:
I have only seen a few of the table base wedges for C8s as well. That would certainly make that scope a Grab N Go.
I'd never seen one before this one either. It was painted brown, with no other color under that, so it's possible it's from a later scope.
Quote:
Side: Do you or anybody know when Celestron switched from a coaxial focus adjustment on early C8s
Bill
Sometime before #135! I think Dave said around #100 or so.
-Tim.
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tim53
Postmaster
Reged: 12/17/04
Loc: Highland Park, CA
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Re: Tinky's got paint!
[Re: tim53]
#5071899 - 02/14/12 11:19 AM
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Hi Ken:
Yours looks pretty good, considering!
I wonder if someone mixed the Velvetone improperly when the early ones were painted. It's still hard for me to believe the paint was so fragile, and seemed to deteriorate so easily.
-Tim.
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