Re: prop size?

David J. Gall


Why do you always send me scrambling for the books??! :)

David J. Gall


With the offset thrust line (I assume a belt reduction with the 2/1 ratio
rather than planetary) is is possable that whirl mode resonance might also
be a problem and contribute to prop flutter even if properly "clocked"? I
have seen visable resonance of this type with some ultralight aircraft.

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