RE: New CRRC Pro GP50R prototype 50cc
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Mejzlik 22 X 8.............. 7350 rpm @ 30 lbs. 12 oz. of pull.
Hawk 22 X 8.................7500 rpm @ 34 lbs. 12 oz. of pull.
Hawk 22 X 8 3D............6570 rpm @ 33 lbs. 9 oz of pull.
Hawk 22 X 10...............6600 rpm @ 32 lbs. 10 oz. of pull.
JFX 22 X 10..................6510 rpm @ 32 lbs. 12 oz. of pull.
JFX 23 X 8....................6700 rpm @ 32 lbs. 9 oz. of pull.
Hawk 23 X 8.................6600 rpm @ 33 lbs. 5 oz. of pull.
Xoar 24A 3D.................6300 rpm @ 31 lbs. 12 oz. of pull.
Xoar 24 X 10.................5700 rpm @ 32 lbs. 00oz. of pull.</p>
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...I would have definitely retuned for the various load of each prop tested. </p>