[amsat-bb] Re: Forming wire loops

[Rick Mann <rmann@xxxxxxxxxxxxxxx>]

On Dec 7, 2007, at 4:47 PM, i8cvs wrote:

> Your machine was normally used by amateur to form aluminum angulars
> to get parabolic ribbons to be used in large parabolic EME dishes  
> for 70 cm
> and 23 cm.
>
> The pressure applied over the central pulley depends on the material  
> of the
> wire to be formed.
>
> Annealed aluminum or copper wires versus cold drawn aluminum or copper
> wires requires completely different pressure applied over the  
> central pulley
> to get the material permanently stressed.
>
> If your effort failed probaly your wire was cold drawn wire and not  
> annealed
> wire

I think the OP is saying he tried forming wire around a bucket, and  
that effort failed. I think he's looking to make a pulley system.

But, I could be completely wrong.

-- 
Rick

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