Arthur Gemperle Newbie Joined Aug 19, 2016 Messages 50 Location Durban Jan 12, 2019 #1 I have put together an awesome video for you to compare the Top 10 piston engine helicopters altitude performance in action . All performance according factory specification under ISA condition.
I have put together an awesome video for you to compare the Top 10 piston engine helicopters altitude performance in action . All performance according factory specification under ISA condition.