excellent graphs Stephane. They bear out what can be seen in flight and measured.<div>
</div><div>I often wonder how it is possible for a RCGF 32 to rip a 30c Pilot RC Sbach 342 weighing 5.1Kg around the sky like a rag doll , have unlimited vertical and be able to snap roll and continue going vertical.</div><div>Yet install the same engine in a pattern plane and suddenly no one beleives it has the power.... strange</div>