Quote:
|
Originally Posted by SMR
I agree with you about the UTA/truss configuration. I've never been able to figure why Kreige chose the offset-by-45 degrees arrangement. Yes, your approach will allow you to use thinner ply for the rings.
|
If I understand what your talking about correctly, it's probably so the focusser can be mounted square on rather than at the jaunty angle of the smaller dobs.
Also, one doesn't have to counter sink the the truss fixing bolts with this arrangement.
http://www.sdmtelescopes.com.au/SDM006.html