You might try checking the pitch of each blade to see if all are the same.
Jim
BEBERRY@aol.com wrote:
>
>
> Hope you have all your problems sorted now Ferg. There will be more!!
>
> My particular one is vibration. Horrid airframe vibration between 2000 and
> 3700 rpm with my 914. Fuel drained and refilled, filters cleaned, carbs
> cleaned and jets., carbs balanced with proper kit, set of new plugs fitted,
> engine mounts checked. New Arplast prop back in France for re-balancing.
> All
> plugs show equally nice and grey. I have run out of ideas. Has anyone
> experienced similar problems and can suggest any other areas of search please
?
> Had no problems with the old Warpdrive (now defunct).
>
>
> Patrick
>
>
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