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Old Apr 01, 2005, 05:44 PM
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QLD, Australia
Joined Sep 2003
1,557 Posts
Steve,
It is normal for lapped piston motors to be harder to start befor being fully run in , also they benefit from larger props dureing running in . As the motor runs in the max revs should increase to around 10,000 for the mills( even the curry mills) , I have not seen anyone use smaller than a 7x5 on these, and as hfen says they are quite happy on larger props .
I have used an original Mills, I own and use an indian k75, and a russian Mills75 , all perform closely. The russian took the longest to run in .
Stewart
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