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Home > Classifieds > Astromart Classifieds > Telescope Making > Classified #210719

For Sale: 13.1" Coulter Dob "Kit" [Sold Thanks Steve Ruppa]

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I've been collecting parts for a biggish Dob and just as I was about ready to commence assembly, a big home project came up that will keep me busy for quite a while, so I've decided to let this stuff go.

I'm calling this a "kit" as it has many of the pieces needed for
a 13.1" dob. Mostly add plywood. I'm asking $500 and I'll
cover shipping if not too far from Florida (up to $20) will have
to go as two boxes, one for struts etc, one for optics.

Referring to the picture the following items are included starting from the upper left:
1. 13.1" Coulter telescope mirror. 57.7" fl (f/4.5. This is one of the original era Coulter mirrors I think. Coating is pretty good.
May have a couple of fly specs and I haven't tried to clean. A little over 1" thick.
2. Novak 12.5 to 13.1" 9 point mirror mount.
3. Coulter 3.1" diagonal. Pretty much NOS with original shipping box. Comes with a (Discovery? I forget) diagonal mount and stalk but not spider. Lots of dust on uncleaned mirror in photo, but coating is in good shape.
4. 2"/1.25/.965 focuser. This is just plastic but I had it and
thought I would include.
5A. 10 - 1/4" ID rod ends. I was going to use these at top end
of struts to mount to eyepiece cage.
5B. 9 - 3/4" square gold anodized 48" long struts.
5C. 2 - 10 1/2" dia altitude bearings. Just plastic rings about an inch thick.
5D. 8 - quick connect brass air hose fittings. These were to be
epoxied into the lower end of the struts for quick disconnect to
mirror box.

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