Re: [ATM] bending square aluminium tube

["matt" <mariusrf@bellsouth.net>]

Beautiful method.
Please let us know if possible what is your method to join the 2 tube ends
to mate in a circle . I am tempted to use your method to form an upper ring
out of square tube but I'm afraid that using an incorrect method of joining
the ends would result in a ring that would become asymmetrical under load
from weight , truss tubes, focuser, and spider tension .

thank you,
matt


-----Original Message-----
From: Jan van Gastel <jhm.vangastel@wanadoo.nl>
To: atm@atmlist.net <atm@atmlist.net>;
Make_Your_Own_Telescope@yahoogroups.com
<Make_Your_Own_Telescope@yahoogroups.com>; atm_free@yahoogroups.com
<atm_free@yahoogroups.com>
Date: Tuesday, January 04, 2005 5:28 AM
Subject: [ATM] bending square aluminium tube


>I have added a webpage about bending aluminium square tubing into a ring,
>with a wooden jig and a vice. Last weekend, I bent a secondary ring for a
>lightweight 12 inch scope I am building. It worked out very well. The page
>can be foud at:
>http://home.wanadoo.nl/jhm.vangastel/Astronomy/50cmscope/bending.htm
>
>
>Jan
>http://home.wanadoo.nl/jhm.vangastel/Astronomy/
>
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