Re: ATM 18-point cell design

[PFAFF2@delphi.com]

>  
> John Albert Anderson <jaanders@europa.com> writes
> >I'm interested in building an 18-point cell for a mirror, but my small
> >library of old ATM books doesn't cover the subject. A search of the ATM
> >archives turned up a number of good messages, but I still don't really
> >understand the design particulars (esp. the point spacing and
> >grouping/articulation of points). Is there a book in print that deals with
> >this? Better yet, does anyone know of on-line information on the topic?
> 
> TM26 has an article on it, complete with a BASIC program for calculating
> 9- and 18-point cells.  I'll not copy the entire program out (I'll
> probably make lots of typos!).
> -- 
> Stephen Tonkin            :    UK Amateur Telescope Making Pages
> <sft@aegis1.demon.co.uk>  : <http://www.aegis1.demon.co.uk/atm.htm>
> 
Amateur Telescope Making  Book One has a write up on mechanical
flotation systems. The 18 point is included. Using the simple math
is probably quicker to do then keying in the BASIC program from TM, at least
for me <G>.  Does somebody have the program at a site that could be
downloaded? 

Bob Pfaff