Just a word of warning to anyone flying Rave ENVs. Yesterday at the field I had the torque tube snap just after the bolt hole on the front drive splines. The result was a pretty spectacular piroing fall from the sky, and as I wasn't high enough I couldn't recover by hitting throttle hold
I was slightly lucky in that the ground was soft so absorbed a lot of the impact and the frames don't appear to be damaged, overall the heli is in a bit of a sorry state.
As of now a torque tube check has been added to my frequent checklist as it only takes 5 mins to get the boom off.