Originally Posted by
SrTelemaster150
That's too many RPM for an FA-180.
I'm going to try a 20x6 on mine, but it's modified for higher compression and it has CDI. It turns an 18x8 @ 8450 static.
Originally Posted by
airraptor
Telemaster I bet you will be surprised by your inflight rpm.
I estimate about 9500 RPM at 70 MPH air speed.