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Old 03-24-2008 | 11:45 PM
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DMichael
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From: Laurel, MD
Default RE: 3 Blade prop for 3W-150cc

ORIGINAL: ajay1

I fly with a 3W 170 and tried the THREE Bladed Mejzlik 28x12 at 5800 ---28.5x12 at 5550 ---and 29x12 at 5350----All 3 broke in flight----Mejzlik refunded money. Want to try the THREE blade Biela 29x12 but am really scared if it will safely handle a 5350 to 5500 rpm.Anybody use these at these rpm's for long?Yesterday I was flying with a Fuchs TWO Blade 32x12 at 5100 rpm and it broke in flight after 5 flights---The 2 bladed Mejzlik 32x10 at 5750 rpm is the only prop which has run 250 flights and no breaking but is noisy.

If you are breaking these props you got a serious problem somewhere and it's not the props.

I've been running these kind of props on and been around 150-160 class engines for years have never heard of such a thing.
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