Brent, et al,
I'm sure that Mark Serrurier is turning in his grave.
His revolutionary design concept was a "truss" design where the deflections of the top and bottom sections were balanced - this maintained the alignment of the optical axis.
The "hinged" attachments also allow for the parallel deflection of the top and bottom rings to maintain their parallel alignment.
Not many (if any) of the amateur truss designs should be called "Serrurier Truss" designs.....
(Notwithstanding all the great design work he did, he had to "compromise" his final design for the 200" due to the Coude access. I have copies of his original design paper etc. etc. Ask me about Sir Barnes Wallis' "rigid dick" telescope tube design - now that IS an original!!)
|