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Old 02-08-2013, 07:07 PM   #12 (permalink)
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Master EcoModder
 
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http://www.youtube.com/user/Ride122609

This is the only thing we have on u-tube. Fixed stroke-not adjustable as it is in the patent, running on compressed air at about 2k RPM without vibration. Patent number is US 7677208. In wheel hydraulic variable stroke drive.

regards
Mech
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