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Gemfan Bi-directional 8in 3D Carbon Reinforced Propeller set CW/CCW Multirotor 2/PC per bag

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Gemfan Bi-directional 8in 3D Carbon Reinforced Propeller set CW/CCW Multirotor 2/PC per bag

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SKU:
329000335-0
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The new Gemfan bi-directional 8inch propeller is designed to be used with reversing motor 3D multi-rotors, for inverted and acrobatic flight. A reversing capable ESC such as the Afro line and the Naze32 FC with 3D enabled creates a whole new world of flight dynamics for the multirotor/heli community. 

GemFan Propellers have set the gold standard in the small class Multirotor community. Known for their durability, great balancing and superb hub centering and expendable price. They come packaged as a set of 2, with one CW rotation and one CCW rotation. There is a wide range of color options that can be mixed and matched to help with multirotor orientation. This is the perfect upgrade for any small multirotor.

Specs:
Size: 8inch Bi-directional
Color: Black
Hub: 6mm (adapters included for 5mm, 4mm,3mm,2.5mm) 

Included:
1 x CW rotation
1 x CCW rotation
Adapters

  • Propeller Diameter X(Inch) 8.00
  • Propeller Pitch Y(Inch) 0.00
  • Rotation CW
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Jörg | Verified Buyer

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  • Overall

Passt nicht

Sep 20, 2017

Die Propeller werden als Zubehör für Quanum Chaotic 3d Copter angeboten, ich kann die Props nicht verwenden da die keine passende Bohrung haben, ich müsste die Props damit
sie ganz auf die Motorwelle rauf gehen aufbohren.

Nicholas | Verified Buyer

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Customer Rated

May 06, 2016

I use these on my XK X350 3D Quad and they work great. Only problem you must drill the holes to 8mm to make them fit. After which they work great. If you want to be really expert sometimes need balancing especially after drilling. :-) Great value for money and will certainly order more.

Ludmila Alexandrovna | Verified Buyer

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Customer Rated

Jan 18, 2015

Test this props.
Motor: SUNNYSKY Angel A2208-15 -1260KV
ESC: Brushless speed controller ESC MultiCopter KK Quad-rotor X-copter 30A

Battarey: Rhino 2150 30C
Results:
50pcnt - 3A - 155g - 11.1V
75pcnt - 9.3A - 355g - 11.1V
100pcnt-13.4A - 454g - 11.1V
Motors temperature about 60 on full throtle.

Battarey: ZIPPY Flightmax 2100mAh 3S1P 30C LiFePo4 Pack
Results:
50pcnt - 2.6A - 124g - 9.9V
75pcnt - 7.5A - 279g - 9.9V
100pcnt-10.5A - 350g - 9.9V

Very noisy, fast balanced.
In comparison with the SF propellers very weak thrust less than 60pcnt.
Would recommend for quadrocopter total weight not exceeding 600 grams.

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