<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 21XDC &raquo;</TD></TR><TR><TD CLASS="quote">OK, so it must be 6000 rpms X2 is 12,000 revs on a 23P and slipping 95%

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Uhhh, maybe we can get Mark to put a little cup in the tips of the prop.....that should bring it down to 75-80%