RE: Extreme Flight 87" Yak 54 - Build & Fly
my da 50 ran flawless and it gets many bumps as owner taxi way has had cracks and repaired i taxi right over them no prob and there is at least 4 other people that i fly with who also have the same engine and no prob except one DA50r had a rod come lose and popped the cylinder off took about 7 days and he had it back and running from da that engine had its far share of flights othere with more and less flights no other probs no bumps impare our ground control