Hobbyking ™ Пропеллер 9x5 Black (CW / CCW) (6шт)

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Customer Rated

Apr 04, 2015

Cheap props if you get them into a balanced state, but good luck with that, way off. Ill stick with gemfans.

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Certified Buyer Rated

Jan 04, 2015

Not sure if I got a bad batch, but these props are WAY out of balance. Tricopter performance was poor with my 1250 KV motors. Going back to SF 8045s.

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Customer Rated

Aug 05, 2014

Multicopters FC go crazy with these props mounted. They didn't even required a prop balancer to see that they were off balance. Very week and bending plastic. Do not order unless HK makes at least the balance better.



Regards

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Certified Buyer Rated

May 08, 2014

Good allround prop for smaller planes and multirotors, pity they dont do them with larger centre hole and spacers/rings, as I usually have to drill them myself instead.

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Customer Rated

Oct 06, 2013

I want to use it with contra rotating system of two motors. I was surprised to discover them to be very unbalanced. I was forced to cut a part of some end to make it balanced. That very disappointing me.

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Customer Rated

Jun 03, 2013

I use these on my tricopter with Turnigy D2830 motors. The adapters that come with the Turnigy motors must be around 5mm, so I use a needle file to ream the props. It's a crude way to do it, but good workout/exercise and I just kept working until they fit. While I was learning to fly and tune the tricopter, just a minor tipover would break the GWS 3 blade props. These HK props are much tougher and survived my training period.

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Certified Buyer Rated

May 23, 2013

otimas helices perfeita para 2822 e belos resultados em modelos de ate 1,2m de envergadura...

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Certified Buyer Rated

Feb 13, 2013

Really solid prapeller. Good for front motors or pushers. Great feel holding in my hand. Has a bunch of round adapters included. Good for starter multirotors because a lot of crashes you know.

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Customer Rated

Sep 30, 2012

Price is perfect but roduction quality is grapes, all have one propeller blade flared up and root on some propellers is badly cast, there is a hole-bubble. Propellers have large vibrations.

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Customer Rated

Aug 24, 2012

It took me time to figure out why my quad didn't operate good.
I first suspected the motor, but then it is clearly the props.
Even if well balanced, the two blades are yet not "leveled", I mean if you look in the rotation plan you will notice gap of several mm between the path of the 2 blades.
This results in a lot vibrations, which is not what you want for your quad, FPV...