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Hobbyking 11x4.5 Slowfly Propeller Black Std & Reverse Rotation (4pcs)

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Hobbyking 11x4.5 Slowfly Propeller Black Std & Reverse Rotation (4pcs)

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$6.16
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SKU:
125000081-0
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Thanks to the nylon material used in construction these propellers offer increased performance and efficiency making them perfect for your multi-rotor project. These 11x4.5 inch props are incredibly stiff compared to other plastic propellers available and are precision molded to ensure optimum balance from the factory. They feature multiple prop adapters to enable these props to fit any prop shaft from 3mm to 6.5mm diameter. 

Specs:
Diameter: 11 inch
Pitch: 4.5 inch
Hub Thickness: 6.6mm
Shaft Diameter: 3~6.5mm (with adapters)
Rotation: 2 x standard, 2 x reverse/pusher
Weight: 16g each propeller



Note: These props are for electric use only.

  • Propeller Diameter X(Inch) 11.00
  • Propeller Pitch Y(Inch) 4.50
  • Rotation CW/CCW
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Aviator | Verified Buyer

  • Quality
  • Overall
  • Value

Slowfly propeller

Jun 27, 2020

These Propellers,do the job. Not really strong,but are suitable.

Aviator | Verified Buyer

  • Overall
  • Value
  • Quality

Service,with a smile

Oct 07, 2019

Used these propellers,for long time.on my tricopter.Had no problems. Very reliable

Ray | Verified Buyer

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Customer Rated

Apr 12, 2016

I've been using 10x4.5 props on my quad copter, which is quite heavy, and it works pretty well, just about 50 to 60pcnt throttle to hover. I tried these 11x4.5 props, and my quad would not even lift off at well over 80pcnt throttle. I took them off immediately. Not happy with them at all.

rls0022 | Verified Buyer

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Certified Buyer Rated

Jun 30, 2015

Very brittle, very hard to balance

Martin | Verified Buyer

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Customer Rated

May 25, 2015

ABSOLUTELY AWFUL PROPELLERS!

Keith says it well in the comments:
''The pitch angle is positive near the root, then goes negative near the tips! This is a terrible design and sacrifices a LOT of performance.''

Basically half the propeller is pushing air one way, the other half is fighting against it and pushing the other way. A good propeller should push the air in the same direction along the whole plane of the blade. These do not.

HobbyKing sell plenty of other propellers that are decent, unfortunately these are not one of them.

Here's what a prop should look like:
https://i.imgur.com/KZZn0UZ.jpg?1
Here's what these look like:
https://i.imgur.com/ObgPPcw.jpg?1


AVOID THESE PROPS, they are massively flawed.

| Verified Buyer

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Certified Buyer Rated

Feb 16, 2015

Buone eliche., economiche e ressistentissime.Ricordatevi di bilanciarle

| Verified Buyer

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Certified Buyer Rated

Dec 05, 2014

very good stuff ... very easy to use ... you need this stuff .... I wear this item on my motor quapcoter with dt750

MrMous | Verified Buyer

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Certified Buyer Rated

Oct 31, 2014

good props, just a bit small for what I needed. will keep them for future builds. very well balanced.

Wayne | Verified Buyer

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Customer Rated

Jul 16, 2014

These props are way too heavy........I've run other 11" props fine on my tricopter DT750 3S but wanted something a bit more rigid....these heavy props drain my lipo in about 5 mins or less and barely gets off the ground with full throttle.....whereas I was getting 12 to 15 minutes on other 11" plastic props.

cencen | Verified Buyer

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Customer Rated

May 14, 2014

I bought 2 packs of these props and they are really awful. HK should have controlled these before selling them. These are manufactured NOT correctly. They are thick, rough, heavy and give absolutely NO LIFT!! Now I want to return them.

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