Kevin Klein's Blog (2)

Fixing a 3DR frame weakness

One of the weak spots of the current 3DR frames is that the aluminum walls of the arms are very thin. The motors mount directly to the arm and in the event of a "landing anomaly" the aluminum wall is easily deformed by forces on the motor.

My solution was to construct "backing plates" for the motors. The plates fit inside the arms and slightly longer screws are used to attach the motors through the plates. The plates are simple 1/16" aluminum sheet drilled to match…


Added by Kevin Klein on December 1, 2012 at 10:30am — 6 Comments

A super-cheap stack cover for your ArduCopter

I found a low cost, easy way to fabricate an electronics stack cover for your ArduCopter. You will need:

1 Ziploc Brand Container, Medium Square size

4 Rubber Bands, 1"-1.5" diameter

Modify the container by cutting 8 "posts" in the lip for fastening the rubber bands. See my closeup:…


Added by Kevin Klein on November 4, 2012 at 5:00pm — 4 Comments

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