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How to measure a three blade prop
http://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=41&t=71226
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Author:  Miker17 [ Mon Sep 11, 2017 7:55 pm ]
Post subject:  How to measure a three blade prop

I have a 27hp prodrive gen 2 with original 3 blade prop. I bought it used guy told me it was the original prop.
I have searched everywhere and can't find out how to
Measure prop to see if it's worn and if anyone knows what size it started as.
It's a stock motor and I get about 18mph with two guys. 1651 Phowler extreme boat
Thanks

Author:  Russ [ Tue Sep 12, 2017 5:26 am ]
Post subject:  Re: How to measure a three blade prop

Center of hub to end of one blade. That's the radius. Double that.

#CFFITR
#TheGhostBoat
#whoneedsphysicsihaveamudmotor

Author:  bluesky2012 [ Tue Sep 12, 2017 7:18 am ]
Post subject:  Re: How to measure a three blade prop


Author:  Miker17 [ Tue Sep 12, 2017 11:33 am ]
Post subject:  Re: How to measure a three blade prop

Thanks Russ
bluesky2012 = #duestchbag

Author:  Gigafowl [ Tue Sep 12, 2017 7:33 pm ]
Post subject:  Re: How to measure a three blade prop

It is not the diameter that matters....

As a three blade wears the blades wear most in width....

PD liked the GD 3 blade which was 3 1/2" wide across the blade when new
still ran well at 3 1/4" but was worn out at 3" and useless for loads or speed...

I wear out a 3 blade by 50-70 hours FYI

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