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 HI Frank: 
thanks for the info. I will contact Lincoln for welding specific info on 
any special procedures. My local welding supply company had nothing. I have the 
code for pressure vessel repair which if followed should provide a good shell. 
By the way Frank I used to work on soda bottle vending machines. I remember the 
brands vendo/vendolater had vend motors that turned 6 RPM with enough torque to 
move the vend gates with 30 or so 10oz coke bottles stacked on them. the motors 
were quite small weighing about 2lbs. the integral gearbox output shaft was 
90deg to the motor body making a very small package for something so 
powerful. i think it was a permanent magnet motor, if so an elect 
motor shop should be able to convert it to DC. each machine had up to 6 
motors(one for each selection button). 
happy hunting 
Randy 
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