Re: IVO prop

Michael D. Callahan <micallahan@...>

As I understand it, the IVO has torsion vibration induced problems on
high power opposed fours due to the sharp reversion of the power pulses
delivered by the crank at lower rpms (2000-2500). This does not appear to be
a problem on the opposed 6s, V-6s, V-8s or rotary conversions.
As for an O-200 installation, I'd certainly put the question to the
folks at IVO before I bought one. The stock engine shouldn't be enough power
to cause a problem, but a tweaked O-200 could cause concern. Mike C.

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