Friday, November 22, 2019

A Long Focus 10" Truss Telescope . . .

Whoa! Here's a 10" F8.9 -- a loooong telescope under construction for Sheldon in Greencastle, Pennsylvania. The choice of a "truss" telescope, given the length of the OTA, was a good idea!!

The OTA is 83.5" in length...
Coming along is the mirror box for
Sheldon't 10" F8.9. the altitude bearings
are 22" in diameter. Just right!!

The rocker box . Yet to add holes and
varnish -- but it's looking good.

Note the "top strut". Strong and light.

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