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Old Apr 03, 2002, 09:35 AM
Olivier is offline
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MF 480 rotor balancing

Hi all,

I have 2 MF 480 and both are showing a vibration around 24000 rpm...

With a HP200/20/6 the vibration dissapears at full power (+/- 30000 rpm) and I can fly without any problem

When i use a speed 480 race, the whole thing vibrates at full power (+/-24000 rpm).

Have you got any "secrets" to balance the rotors ?

Thank's a lot

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Old Apr 03, 2002, 09:54 AM
gregg f is offline
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try rotating the spinner a few degrees. run it up and check for vibration. repeat as needed. that usually works if it still vibrates use a magnetic balancer..............gregg
Old Sep 13, 2010, 02:00 PM
Bob Blackburn is offline
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There is a thread here describing the unit I make to solve your problem and balance the fans.

The vibration never "goes away" the amplitude gets smaller at higher frequencies but the power sapping vibration is still present.

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