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  • July 31, 2025, 04:34:28 PM

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Author Topic: 3 blades prop  (Read 402 times)

Offline kevin king

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3 blades prop
« on: July 29, 2025, 12:41:36 PM »
I was balancing a 3 blade prop on my dubro balancer and noticed that one blade was higher than the other 2. In other words the tips of 2 blades would  track in the same spot but the 3rd blade at the tip would track 1/8" further. Anyone have this problem?
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Offline Lauri Malila

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Re: 3 blades prop
« Reply #1 on: July 29, 2025, 01:20:09 PM »
It may be just the imperfections in prop hole ends/balancer cones, the Dubro balancer is not very well made.
Check the tracking when bolted to the engine and if it bothers you, sand the bottom of hub to correct. L
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Online Howard Rush

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Re: 3 blades prop
« Reply #2 on: July 29, 2025, 05:00:58 PM »
It can make the prop noisy. 
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Offline Matt Neumann

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Re: 3 blades prop
« Reply #3 on: Yesterday at 03:39:13 PM »
Out of curiosity, what prop?
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Matt Neumann

Offline kevin king

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Re: 3 blades prop
« Reply #4 on: Yesterday at 11:02:09 PM »
Thanks Lauri and Howard H^^.
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Offline kevin king

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Re: 3 blades prop
« Reply #5 on: Yesterday at 11:03:34 PM »
Quote from: Matt Neumann on Yesterday at 03:39:13 PM
Out of curiosity, what prop?
Hi Matt,  its a Master Airscrew 3 blade 11 x 6
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