Take a hard cylinder that is your 2 and 1/8" diameter. ...Put it in a
vise....Plug one end of your 1/2 inch copper pipe... fill it tightly with
fine sand....bend it around your cylinder.....empty pipe of
sand...presto...helical pattern.....Jim




"Wayne Whitney" wrote in message
. ..
Hello,

Is it feasible to bend 1/2" type L soft copper pipe in a helical
pattern around a cylinder of diameter 2 1/8"? Let's leave my
motivations out it. What tools would be required to bend the soft
copper pipe?

Thanks,
Wayne