What the heck is "self correction?" Hey your' the one standing in front of it when it spins up. Don't try and convince me. Loose grips WILLNOT change the weight of a blade!!!! They will make for some sloppy pitch angles!!! My birds do not shake at all at any RPM. I would hate to be around a chopper as it blows apart near me. Do you know what the tip speed of a blade is at takeoff? It changes with the length of the blade with realation to its length, it's called angular velocity. Here's the formulas;
http://www.engineeringtoolbox.com/mo...las-d_941.html