Nice to see a veteran Heli flying, I've got a Kalt Cyclone in my loft, its been there since the eightys, all complete, even down to the mechanical gyro, I brought it to learn Heli's, I was advised at the time to get a large model as they were easier to fly?, lol, loads of guys use to get the Hirobi Shuttle, 30 size engine, They did'nt like the wind though, The Cyclone has a os61 engine I think, Nowadays I'm still learning but use a 450 pro belt drive, I go through LOTs of shafts, Good Fun?.