Re: [ATM] bending square aluminium tube

["Jan van Gastel" <jhm.vangastel@wanadoo.nl>]

Matt,

I use a piece of round copper tubing of 12 mm outside diameter, which fits
snugly into the square tube. Works great. Harro, the ATM who made the mall
(and the photographs) on my website this method, used a piece of wood.

Jan
http://home.wanadoo.nl/jhm.vangastel/Astronomy/

----- Original Message ----- 
From: "matt" <mariusrf@bellsouth.net>
To: "Jan van Gastel" <jhm.vangastel@wanadoo.nl>; <atm@atmlist.net>
Sent: Tuesday, January 04, 2005 4:35 PM
Subject: Re: [ATM] bending square aluminium tube


> 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 .
>
>

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