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HelicopterBeginners Corner › hirobo shuttle zx or zxx
10-16-2017 03:55 PM  6 months agoPost 1
hobo

rrNewbie

oundle northants

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im a real novice at helis so would appreciate any help you chaps can give me i have balanced the blades to the best of my ability and checked for any bent shafts etc but i dare not raise the speed to half throttle as there is so much vibration i have done the trackng thanks in advance for any help given ps im in my mid 70s so please bear with me as im new to the internet ie comp things ]

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10-16-2017 05:31 PM  6 months agoPost 2
ICUR1-2

rrElite Veteran

Ottawa, Ontario

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Providing your blades aren't overtight they will straighten out .

All heli shake on the spool up
If it's shaking badly once airborne then you have issues

spending time, paying attention

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10-16-2017 06:33 PM  6 months agoPost 3
w8qz

rrVeteran

Grand Rapids, MI - USA

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Generally speaking, the longer a heli takes to spin up whilst in contact with the ground, the more vibration / shaking tends to build up at part throttle / low head speed (depends on the stiffness of the landing gear and of the rotor head). This is more of an issue with training gear mounted to the heli. The full-scale term is 'ground resonance'.

Sounds like you need an experienced pilot to test-hover and trim for you. The machine may be perfectly fine.

"The helicopter is much easier to design than the aeroplane, but is worthless when done."

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10-16-2017 07:49 PM  6 months agoPost 4
hobo

rrNewbie

oundle northants

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thanks to you all the last reply is spot on i do agree it wants a good pilot behind the sticks manythanks

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HelicopterBeginners Corner › hirobo shuttle zx or zxx
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