Astronomy Site: Meade Advanced Products Users Group Archive: Re: [M]: Opinions on pier design


 

  [index] [month] [prev] [next] [thead-prev]
 
Subject: Re: [M]: Opinions on pier design
From: Doug Groesbeck
Reply To: mapug@shore.net
Date: Tue Oct 02 02:14:12 2001

While you're here, how about checking out the Astronomy Book List ?

John,

> So it was a good try, but putting 50% of the mass in the interior of the
> hollow section hurts rather than helps both the torsional stiffness and
> bending stiffness.

Well, it was worth a try at least... I had thought that perhaps by
spreading the torsional load across smaller box sections joined together
might create a more rigid structure, less prone to harmonic vibrations -
rather like putting ribs or gussets on a cylindrical pipe.

-Doug


View index by [date] [author] [subject]
Previous message: [M]: JMI focuser helps for shift?, Stefano Padovan
Next message: Re: [M]: JMI focuser helps for shift?, Email address hidden
Previous message in thread: Re: [M]: Opinions on pier design, Email address hidden


  [AstronomySite] Return to the www.AstronomySite.com home page
  [ShareWareEtc] Looking for great shareware? Then try Shareware Etcetera
  [Newsgroup Info] Want to learn more about how internet newsgroups and newsgroup downloaders work?
  [Astronomy Book List] Great prices and a great selection on astronomy books!