Dangerous injection ideas

[Bill the arcstarter]

Guys,
 Received my acetylene regulator and linear stepper in the mail today 
from C&H surplus.  The regulator is a really solidly built unit from 
Fischer Scientific, still in its original bubble wrap.  Can't beat that 
for $15... :)

 The linear stepper is an Airpax 4-phase motor and appears to have about 
256 full steps from full retract to full extension. $10.

 It appears that this range will be sufficient to control the above 
regulator.  I hope it has enough force.  I hay have to half step it to 
both increase resolution and force.

-Bill
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