Personally, I initially balanced the spinner on a mandrel. This requires
making a hole in the front deadcentre of the spinner; a bit difficult. But
for whatever reason there were no subsequent vibration problems.
Duncan mcFadyean
On Sunday, March 24, 2002 6:51 AM, Alan D Stewart
[SMTP:alan.stewart@blueyonder.co.uk] wrote:
>
> That was my discovery when I tried it a few years back, Jim.
>
> There are a number of known solutions to this problem.
>
> At the moment, and for the last couple of years, it is fine
> (insignificant vibration at most RPM), due to appropriately placed penny
> washers, at the three potential attachment points near the base of the
> prop blades.
>
> Many have used professional balancing. I used trial and error on several
> flights.
>
> However, an important preparation was to ensure the spinner cone itself
> was within tolerable limits from the point of view of shape and weight
> distribution. Some rubbing down was involved.
>
> I'm sure much advice will be forthcoming on this.
>
> Alan
>
>
> -----Original Message-----
> From: forum-owner@europaclub.org.uk
> Subject: spinner
>
>
> Hi gents, I am new here. I have a classic Europa with about 160hrs. It
> has always had some vibration so After talking with Jim Thursby I flew
> it with the spinner removed. It is then the smoothest plane I have ever
> been in. I think my problem was and is that the spinner wobbled because
> it is not exactly straight. My problem, how the heck does one get it on
> straight?. I have tried many times to no avail. Jim Stoveken
>
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