Thanks guys for your oh so helpful input ... next time I'm powering up my full sized Chinook army issue helicopter I'll remember just how useful your 'tips' were in stopping it from falling apart in a destruction test designed to test it accordingly - notice the chains holding it down! [sm=47_47.gif]

Till then, I think I'll keep using the methods that I have always done when testing/setting RC aircraft, as for some unknown reason, never have I chopped off my arm/head, or even a finger for that matter, never has my nitro heli exploded on the ground for some unknown reason (yes, unlike some people - I actually own and use one), and when they have correctly test flown and been dialed in, every single person who has ever flown any of my aircraft ALWAYS remark just how well that they actually fly - normally because they have had the time spent on them that they require to get them just right. And I'll also remember as per normal to take precautions not to kill a spotter who is stupid enough get close enough to a hovering heli with their head just to see if the blades are tracking.
Ps - like myself, next time your starting your nitro planes (if you even have one), remember that the spinning prop blades 2 inches from the glow lighter are also dangerous, and that anyone can mess up a digit or two with a seconds lapse in concentration. I've seen experienced pilots who knew better do it, and no posting of other threads showing others misfortunes is ever going change that. It is a simple fact of life that nothing in this hobby is ever 100% safe, it's just how you look forward and act towards limiting the risk to yourself and others that lessens the danger - just like when you pick up a nitro aircraft off the start-up bench and hold it up vertically while you test to see if the the adjustments on the carb needle is correct, if done correctly and CAREFULLY, holding a small electric heli at arms length to test the blade tracking is no more dangerous - period.