Quote:
Originally Posted by WalterSobchak  Ive touched 300 at 180 on a damn cold day. Usually 275 to 285 in the high teens. Our helicopter engines don't hold the power at up high and we are conservative with our ITT's. We have a ceiling of 250 due to the 10% rule for pax O2. At 240 in the winter maybe 275 is the best we are gonna see in that thing.
We do however have the exact same collins avionics and EFIS tubes. |
Mmm...you get the highest TAS while in warmer temperatures. Given the same cruising altitude the a/c in the warmer air cruising will have a higher TAS. I guess if your engines temp out through that would cause you to go slower.