|
|
|||||
|
Be the first pioneers to continue the Astronomy Discussions at our new Astronomy meeting place... The Space and Astronomy Agora |
RE: Geometry Of Evacuated Membranes
Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Robert May on October 27, 2000 19:02:06 UTC |
The curve is a catenoid - a catenary shape. It's not all that far from a paraboloid but not there. This is the idea that is often used in making Schmidt corrector plates. Meade and Celestron use the method for thier plates. You may want to look up Schmidt Corrector Plates on the web as there is a very good article on figuring them with the vacuum pan method. |
|
Additional Information |
---|
About Astronomy Net | Advertise on Astronomy Net | Contact & Comments | Privacy Policy |
Unless otherwise specified, web site content Copyright 1994-2024 John Huggins All Rights Reserved Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" are trademarks of John Huggins |