Propeller Directions


Basic understanding of propellers on a multicopter

Lesson: If you find your multi-copter flipping on take-off or just don't seem to take off, the first thing to check is your propellers or motors. If your propellers are spinning on the wrong direction, the thrust might just be pushing your copter down instead of lifting it up.  If you have the propellers in the same orientation next to each other, it may just topple your copter.  Propeller are usually marked with the spin direction and they should match the diagram illustrated below.

Setting correct spin directions

The direction the motors spin (clockwise or counterclockwise) is determined by the connection to the ESCs. As you apply a small amount of throttle to the motors, check and see what direction they are spinning in, stick a masking tape to visually help. Motors should spin as indicated by the diagrams below according to type.  Check the diagram below to see what direction each motor should spin and verify that the motor does spin in the specific direction.

Take note of which motors needs to be reversed and disconnect the battery from your copter. To reverse the spin direction of a motor, switch two of the three cables connecting the motor to the ESC by disconnecting two of the bullet connectors, switching the wires, and reconnecting as shown below.

DIYdrone Lab
... behind the scenes Friday February 20, 2015
: LiPo Battery Monitor & Alarm
: LiPo 3S Batteries

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tips couponNotes: While it is good to charge and store your LiPo batteries in fireproof bags, we actually have our little DM tip; add another base layer of silicone bake ware.  Yes, silicon have been tested and proven to be high-heat resistant up to 500F or 260C.  So, visit your kitchen, you may just have one handy.

Inspect your LiPo carefully after a crash, a punctured LiPo will begin to bubble at high temperature before releasing a thick smoke and burst into flames.

Episode 1:  Coming Soon [VIEW]

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Drone Mission
Friday, February 20, 2015

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