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600 Class Nitro Helicopters 600 Class Nitro Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 03-21-2009, 02:55 PM   #1 (permalink)
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Default Tail boom strike
Hi guys,

Had a tail boom strike today whilst doing a backflip with the 600NP, it only dented the top of the boom and was able to land it after it stopped freeking out whilst the blades centred again.
I am using the hard dampeners and the tube to stiffen it up with the align carbon blades, I am guessing the dampeners need replacing but is there anything else i might be overlooking here?
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Old 03-21-2009, 07:00 PM   #2 (permalink)
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Are your blades tight enough in the blade grips? How much cyclic pitch do you have?

Loose blade grips will cause the mains to move enough to hit the boom. A quick change in pitch (flip) wants the blades to stall while the head is trying to overcome the torque. This causes the blades to move in the grips.
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Old 03-22-2009, 08:21 AM   #3 (permalink)
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Align boom strike?? This has to be the first ever!
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