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Old April 23rd, 2008, 08:42   #55
The Saint
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Join Date: Jan 2005
Location: Quebec
I don't know how much air a cycling piston is actually capable of drawing down any barrel. Between a vented piston head and the nozzle being retracted at the start of a piston's rearward travel, it should be little to none.
"The Bird of Hermes is My Name, Eating My Wings to Make Me Tame."
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