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Month: July 2014

Propeller Removal Tool

Propeller Removal Tool

My wife has really long, thick, black hair. Sometimes, when I crash my crazyflie (rarely of course, I am a superb pilot after all) it lands upside down on the floor and inevitably twists her hair up in a motor or two. It’s annoying. At first I wouldn’t really know what had happened. After I started flying again post-crash, performance would be abysmal. The Crazyflie would pull to the left or right or it would just be generally unstable. When I had the python client running, it was quite clear from the flight data that one or more of the motors were underperforming. Once I brought the Crazyflie back to home base to investigate, I found the problem in a tangled spider of dark black hair!

A couple times I easily remedied the situation by simply pulling the hair out. Other times, it was so tangled the only way to dislodge it was by removing the propeller. When I first assembled the Crazyflie, I made sure to very carefully press fit the propellers so as not to damage the motors’ rotors. I really didn’t want to cause problems by pulling props off again in a less than gentle manner. I can be quite ham-handed and finesse is rarely one of my strong suits. Fortunately, I found the perfect propeller removal tool!

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