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Tom West's Custom PC77 PumpMaster Classic Short Rifle



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Maximum cocking effort

January 4 2012 at 6:05 PM
Ron  (Login oo7fuzz)
Crosman Forum Member
from IP address 24.167.225.137


Response to "" 3.14(R squared)x Valve Pressure.""""

is not that easily computed by simply determining the MA of the lever itself. There is something to say for the scissor linkage itself. Where maximum force on the handle/lever to cock the pump occurs not when the handle closes but many degrees beforehand. So I think to compute the moment of arc where the pump handle requires the most human effort requires serious math.

 
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