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30's or 32's

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Old 01-10-2012, 09:13 AM
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Default 30's or 32's

Hey guys wanted to get some opinions!!

I have twin 553's naturally aspired engines currently running 30's @ 5700-5800rpm. I was thinking of running 32's to get better cruise speed and top end with lower rpms @5200rpm the differenece in hp is around 30hp less @ 5200rpm.
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Old 01-10-2012, 09:23 AM
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Originally Posted by baja27 View Post
Hey guys wanted to get some opinions!!

I have twin 553's naturally aspired engines currently running 30's @ 5700-5800rpm. I was thinking of running 32's to get better cruise speed and top end with lower rpms @5200rpm the differenece in hp is around 30hp less @ 5200rpm.
Are you running 4 or 5 blade? If 4 blade, you should give 5 blades a try. Something like the Maximus. Post this in the Prop section and see what Bblades have to say.
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Old 01-10-2012, 09:34 AM
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They are 4 blades, don't want to run 5 blades, makes for more drive issues
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Old 01-10-2012, 02:57 PM
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Not sure if this helps, but I was running 28p 4 blade hydos on my cig running 81 at 5300 with 500efis. I went to labbed 31p 4blade bravos with some cup and run same top end at 5000 and get on plane better and picked up a few mph at cruise.
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Old 01-11-2012, 12:25 PM
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any other opinions? Also running 32's won't it load the engine more?

Last edited by baja27; 01-11-2012 at 09:25 PM.
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