3x2" 3020 Counter Rotating Propellers (GemFan / CCW / Black / 4pcs)

$1.57 No tax

$1.57 Tax excluded

$7.75 - $6.18

Description

Specification

A: High of the Prop Hole is about 7.3mm
B: Φ1mm Prop Diameter (it is about 1mm)
- The motor needs to be with > 1mm shaft (eg. 1.05 - 1.1mm). The motor shaft cannot hold the propeller if it is less than or equal to 1mm.
Extra Prop Adapter: None
Weight: Approx 5g / 4pcs (So it is about 1.2-1.3g per rotor)

Video

Propellers (especially Plastic & Nylon) are not yet balanced by factory (you think about the labor cost then you will understand why). Carbon Fiber Propellers however have usually been paired but "Paired" does not mean balanced (pair the CW and CCW props *close* to the same weight). So you need this Propeller Balancer to balance the prop by yourself, and it is really a must tool if you fly multirotor copters. Please watch the video below for usage.

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