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Old 07-15-2010, 05:27 AM   #13
bosco OP
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Joined: Jul 2005
Location: Atop the Bakken
Oddometer: 11,726
Originally Posted by R_W
Do you still have a working gearbox on top?

Do you know the stroke? Most of them were LONG

You can use two check valves and an airspring with enough travel and PSI(or a lever rig to convert travel to more power). $100 if you buy it new.

EDIT TO ADD: It would be best to set up two in a push-pull setup to take advantage of both sides of the stroke.

It's a fairly short stroke, 6-8". My 1st thought was to use one of our old pump jacks that we used when the wind died. They have two large pullies that hook to the drive-shaft on a Briggs & Scrapiron 5hp motor. Maybe put the compressor where the gas engine used to go?

I'll have to get some pictures.
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