Hobbyking ™ 3-лопастной пропеллер 7x3.5 Black (КОО) (3шт)

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Ok

Apr 21, 2021

Very cheap quality

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trop souple

Aug 15, 2019

Helice très souple et qui se déforme facilement. Ne convient pas du tout pour mon utilisation voulue.

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boff

Aug 04, 2019

helices bien trop souple

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Certified Buyer Rated

Oct 02, 2015

Very thin and flimsy.

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Customer Rated

Jul 27, 2015

The manufacuring tolerance seems insuffizient - I received CW/CCW 1 pack each - the blade tips end (measured from flat surface) at 4 mm, 8 mm and 11 mm - but they should be exactly at the same level! The power is about 1/2 of a 2-tip-prop from GWS or APC.
Schlechte Fertigungstoleranz - groe Streuung - wenig Power.

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Customer Rated

Jun 20, 2015

really soft material. bends and cracks easily. this is for lighter planes and can not use on a high KV. not for above 1400kv or else it starts strange sounds with bend of speed

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Certified Buyer Rated

May 08, 2015

These are useable for me, they are paper thin, come bent out of shape and the only thing that was good was they had a twin that you could get counter rotation with your build. Only that cost me more money for something that I couldn't use....

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Customer Rated

Apr 19, 2015

Ran these on a 2822 1450kv 3s 1100mah and they start to bend under their own thrust. Once this happens you loose tons of thrust to power and I just don't trust them with the application I tried them on (FT-F22 Raptor with the motor i mentioned) Maybe these would be better in a lower rpms with less thrust demand that would not bend this prop.

Maybe a multi rotor 1450KV with 2S, that will decrease the rotations by a third of what I was running them at.

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Certified Buyer Rated

Feb 06, 2015

elica molto buona di materiale io la ho installata nel mio motore 1100 kv ma non tira

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Certified Buyer Rated

Jan 30, 2015

My tricopter flies nice and stable with them, perfect for flying fpv with medium fast turning motors. They even resist some crashes.