Mestre Airscrew Formula One Hélice 9x7.5 (1pc)

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15 stars

Feb 11, 2022

Master Airscrew is always good.

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Light and in balance

May 20, 2019

Light and in balance

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Value for your money

May 16, 2019

Effective and low noise

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happy customer

Apr 16, 2019

The proellers (I bought 4) need all to be balanced with some effort

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Customer Rated

Aug 16, 2016

Perhaps it's only the two I bought, but the hole is drilled off-center. Yes, I measured it. 6.6mm from side of hole to edge of hub on one side, 7.1mm on the other side. Same for each of the two props I bought. Problem came to light when I was unable to balance the prop without removing what I considered and excessive amount of material from the side of the hub. I expect to be tossing these props, as even if I can get them to balance, which looks unlikely, the thrust vector will be rotating about the motor center. I think I'm not going to be buying any more MA props. This is not the first problem I've encountered with this brand. While I have had more good props than bad, it's not worth the frustration and lost time.

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Certified Buyer Rated

Oct 02, 2013

Well made prop, but with sharp edges from moulding procedure. A little sanding and then balancing is required.



Strong and sturdy. Fits nicely on Asp 36 shaft...

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Certified Buyer Rated

Jul 09, 2013

This is an awesome prop, looks and feels well made and didn't really need much balancing at all. A nice upgrade from the prop I was using before "which was a 9x6APC". Haven't tried it out yet but I will update with how it performs and what motor I'm using this with.

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Certified Buyer Rated

Apr 08, 2013

alto ganho de potencia para aeros de ate 1000grm

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Certified Buyer Rated

Mar 02, 2013

No not mucha diferencia con al 9x6