And finally the almost complete OTA...I had to cut and paste various changes from dozens of drawings to just get this far...
Hope you enjoy...
Mirror back plate is 26.5" in diameter and 0.75" thick, lightened with milled holes that do not go through...they were originally hexagons, but we could not get anyone to bid on doing that work.
The spacing between the primary and secondary is 31.5 inches
I've got a little work still on the secondary design, but have taken Mike Jone's recommendation and gone with a tilt/tip a 90 degrees, around a fixed corner ball.
Spiders are Carbon Fiber/Aramid/CF sandwich in the hopes that should the carbon crack, the Kevlar will hold everything in place.
Regards,
Preston
-------------------- A few I enjoy,
and a few more in the works ;<)
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