[TheForge] Pipe bending

[Jerry Frost]

Packing with dry sand and hot bending works but I prefer to use a wooden die 
cut to the desired inside radius with a little concave track to match the 
pipe. Then clamp the die down really solidly, slip the largest dia cable you 
have that fits through the pipe and pull it over the die. Using a winch is 
best but if you make the die with flat stops at the desired angle you can 
pull it with a pickup, 4x4 or laden for traction on larger pipe.

Jer
----- Original Message ----- 
From: "Dan Armstrong" <asterwhistle at netidea.com>
To: <theforge at mailman.qth.net>
Sent: Wednesday, October 20, 2010 4:35 PM
Subject: [TheForge] Pipe bending


>I need to bend a length of 1 1/4" pipe about 45 degrees as part of a 
>handrailing. Any ideas on how to best do that without access to a Hossfeld 
>or other non-crimping process ?
>
> In the past I necked down and then upset (to create a kind of bubbley 
> effect) and then bent there. It worked and looked interesting. This time 
> when I tried it, and after doing a bunch of other work to the pipe, the 
> necked down part was too tired and a tear started which couldn't be 
> salvaged (I tried).
>
> Thanks for any appropriate info.
>
> Dan A.
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