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Stipulation #1 makes it true. To keep a constant stroke while increasing the B/A ratio...

April 19 2017 at 6:28 PM

Steve in NC  (Login pneuguy)
Crosman Forum Member
from IP address

Response to In that case the reasoning in #2 is not true

...the total length must increase. Contrarywise, if B/A is increased while holding B+A constant, which is necessary if pumping efforts are to be comparable, stroke must decrease -- as graphed below. Agreed?

[linked image]

If so, I'd be happy to move forward and further discuss the significance of that fact as it affects practical tradeoffs in optimizing pump geometry.

This message has been edited by pneuguy from IP address on Apr 20, 2017 10:48 AM

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