69 Harley's on it. That'll do it..yeah, I forgot about the T/O angles on the props...been awhile..
Experience/guestimation is the key...after all it's HF...to some, it's verrry scaaaryyy....LOL..
But it works, and is reliable when ya get it down. Just gotta convince these "O" types ya don't need a friggin powerpoint for msg traffic...