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Home✈️Aircraft🚁Helicoptere-AlignT-REX 450 › Is 450 sport head block weak?
02-23-2010 10:45 PM  10 years ago
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chan

rrApprentice

kr

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Is 450 sport head block weak?
Recently, I experienced minor crash and main rotor survived everything was ok, but I found low speed vibs. I changed main shaft, feathering, ... but still vibs.
Now, I am suspicious headblock. I thought sports headblock was strong because it looks thick and strong but, when I see the head button it's little bit wobble when spool up.
Has anyone experienced bent headblock ?
Hornet,FP helis,Trex450 series,V100D01,mCP x and more
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02-23-2010 11:22 PM  10 years ago
ScottV

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El Dorado Hills, CA

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I have yet to damage my Sport head block and it has had a couple good crashes.
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02-24-2010 12:26 AM  10 years ago
life2short1971

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Fort White,Florida

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I have had to put 2 or 3 new mainshafts on my heli before I got one that wasn't bent. It mightbe a bent mainshaft even though its still new. I just went thru this with my 450 pro on saturday.
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Home✈️Aircraft🚁Helicoptere-AlignT-REX 450 › Is 450 sport head block weak?
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