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 photo TW_custom_pc77_r_zpslyddcslm.jpg

Tom West's Custom PC77 PumpMaster Classic Short Rifle



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Thanks, Phil. Very interesting. I have nothing like a quantitative model...

March 10 2012 at 10:19 PM

Steve in NC  (Login pneuguy)
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Response to Steve. As requested. Here are the piston parts for the testing.

...for how the resilience of your rubber cavity might (or not) be contributing to the energy budget of your SSP - just a vague feeling that it probably is.

And I have no idea where I got the misconception that you were using a stack of washers to space the piston. Just put it down to the slowness of a cold-blooded brain.

[linked image]



Steve

 
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