Kevin Klein
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  • Franklin, WI
  • United States

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Vibration Damping - a simple fix?

Started this discussion. Last reply by Para Jun 30, 2013. 3 Replies

Remembering our physics we know that a = F/m.With that in mind, I figured one of the best ways to reduce vibration (which is proportional to a), would be to increase the mass of the APM.  To that…Continue

Remote status LEDs

Started this discussion. Last reply by Pieter May 19, 2013. 46 Replies

Having status LED's on the board is nice, but they're next to useless when the board is mounted in the stack or under a cover. The next rev of the board IMO should be designed so that these LED's can…Continue

Motor cuts out

Started this discussion. Last reply by Kevin Klein Nov 3, 2012. 5 Replies

I believe I received a defective motor from 3DR.I ordered the Quad kit, full electronics, with the 850kv motors.When I apply throttle, all of the motors start up (no props!), but one of the motors…Continue


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Fixing a 3DR frame weakness

Posted on December 1, 2012 at 10:30am 6 Comments

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…


A super-cheap stack cover for your ArduCopter

Posted on November 4, 2012 at 5:00pm 4 Comments

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:…


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