[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

Re: [ATM] Small Dob truss question

To: <atm@atmlist.net>
Subject: Re: [ATM] Small Dob truss question
From: "John Sherman" <atm@johnspics.com>
Date: Wed, 21 Jun 2006 17:13:46 -0400
Delivered-to: atm_arc@astro.umsystem.edu
List-archive: <http://www.atmlist.net/pipermail/atm>
List-help: <mailto:atm-request@atmlist.net?subject=help>
List-id: The Amateur Telescope Makers List <atm.atmlist.net>
List-post: <mailto:atm@atmlist.net>
List-subscribe: <http://www.atmlist.net/mailman/listinfo.cgi/atm>, <mailto:atm-request@atmlist.net?subject=subscribe>
List-unsubscribe: <http://www.atmlist.net/mailman/listinfo.cgi/atm>, <mailto:atm-request@atmlist.net?subject=unsubscribe>
Reply-to: atm@johnspics.com
Sender: atm-bounces@atmlist.net

Scott,

>My question... I'm curious why the traditional dob truss has the
> paired tubes meeting at the top ring 

Because usually the mirror box is square and the top cage is round.

An X would be great if you had a square top cage, so that you could cross the poles without having to flatten them.

John




_______________________________________________
ATM mailing list http://www.atmlist.net/

Follow-Ups:
- Re: [ATM] Small Dob truss question
  - From: Mike Lockwood <melockwo@uiuc.edu>

Prev by Author: Re: [ATM] need ides to reinforce my struts
Next by Author: Re: [ATM] Effects of a too small secondary
Previous by thread: [ATM] Small Dob truss question
Next by thread: Re: [ATM] Small Dob truss question
Index(es):
- Author
- Thread