Chopper Rips Itself Apart

38 sec

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This is what happens if you strap a chopper down while its running. The forces of the rotors rip it apart!

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This is absolutely a phenomenon of standing waves/resonance, just like the infamous Tacoma Narrows bridge destruction. It was NOT trying to take off, just idling; notice that the restraint chains are slack.

"This was a test to do demonstrate how the resonant frequency of the blades generate destructive air frame stress when the tires aren under inflated."

ROFL, and I thought my car would just get bad gas mileage...

What a waste.

I bet someone got in trouble

Yeah its completely that rear blade, one of them came loose somehow

its not tearing itself apart because its tied down dumbass. you think they DONT tie down helo's on ships at sea????

They don't try to fire them up and take of WHILE they are STILL tied down like this one is....Dumbass....
Plus I think the first poster is correct anyway.

A fellow medium helicopter repairer perhaps? He/She is correct this is a classic example of ground resonance. This video has been floating around forever.

its straped down, and tears itself apart. who cares if the tires are flat.

Your title is misleading. This was a test to do demonstrate how the resonant frequency of the blades generate destructive air frame stress when the tires aren under inflated.