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??? OS 91 FX compared to YS 91 FZ ???

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??? OS 91 FX compared to YS 91 FZ ???

Old 07-02-2004, 07:07 AM
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Default ??? OS 91 FX compared to YS 91 FZ ???

I want to compare what these engines will do on a 3D type of prop. What are you running fpr props and RPM on these two engines?

Any info is apprected.



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