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Old Apr 03, 2002, 08:35 AM
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Olivier's Avatar
France, RA, Yvoire
Joined Apr 2002
209 Posts
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, 08:54 AM
Purple power
gregg f's Avatar
shadow hills,ca
Joined Apr 2000
6,595 Posts
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
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Old Sep 13, 2010, 01:00 PM
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Bob Blackburn's Avatar
UK, Greater Manchester, Manchester
Joined Jul 2004
358 Posts
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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