thunder tiger 40
#1
Senior Member
Thread Starter
Join Date: Oct 2004
Location: Lehi,
UT
Posts: 1,692

I'm setting up a 424 racer and am wondering if my rpm's are in the ballpark.
tt40
9x6apc
10% Cool Power
16,200
I got this rpm on the first day of flight for this engine.
tt40
9x6apc
10% Cool Power
16,200
I got this rpm on the first day of flight for this engine.
#2
Senior Member
My Feedback: (12)
Join Date: Aug 2002
Location: Ogden,
UT
Posts: 290

Your a little low but not much considering your engine is still new. I don't know if your club is using 10% fuel but the standard is powermaster 15%
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