ORIGINAL: crankpin
Rossi. OK, lot of rpm's, OS SF has it on the vertical climb.
Has what on vertical climb? Rossi kicks OS butt every time. OS folklore belongs in the kitchen. Watch, and learn, start video at 43 seconds. I own both, OS is great on sport planes at sport speed.
http://www.youtube.com/watch?v=Ogbp60UVrzs