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This is a video on how we detoung, sharpen and balance our metal RC boat props to get more performance. Also includes test runs and speed clocks with one of these props on my BlackJack 26 with the stock power system.
Related Links:
http://rcboat.com/prop.htm
http://www.offshoreelectrics.com/info.php#Propeller_Tips_&_Info_
http://psfastelectrics6.tripod.com/balancing_props.htm
http://rcboat.com/prop.htm
http://www.rcuniverse.com/forum/m_6725794/anchors_6725794/mpage_1/key_/anchor/tm.htm#6725794
http://www.rcuniverse.com/forum/m_3120686/mpage_1/key_/tm.htm