check your gearbox. static should not fall under 300. just rebuilt my box it was about 250. now it is smooth on shut down and start up. that will crack your exhaust right now.
check your gearbox. static should not fall under 300. just rebuilt my box it was about 250. now it is smooth on shut down and start up. that will crack your exhaust right now.
steve
slyfox
model IV 1200-flying
912uls
IVO medium in-flight
RV7A-flying
IO-360
constant speed prop