David Rosendahl
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David Rosendahl commented on AKcopter's blog post A New Battery Technology will allow Potentially Higher Endurance For RC Aircraft !!
"I'm not against research and I know that lab result in something other than products. (I'm a reasearcher myself) However, I, allergic to people re-posting those lab reports with wrong interpretation spreading false information. You are…"
Apr 23
David Rosendahl commented on AKcopter's blog post A New Battery Technology will allow Potentially Higher Endurance For RC Aircraft !!
"It will be 30 times smaller COMPARED TO A SUPER CAPACITOR, not compared to the BATTERIES today. They even have a graph that shows that in the article. Why they and you link to the aluminium article I don't understand. It has very little to do…"
Apr 23
David Rosendahl commented on AKcopter's blog post A New Battery Technology will allow Potentially Higher Endurance For RC Aircraft !!
"Please read the original article again! This is the THIRD time I see people that has misread an re-posted "false" information about this battery technology in various places on the internet. It does NOT improve energy density…"
Apr 20
David Rosendahl commented on Joakim M's blog post Loc8tor Emergency Beacon for your Drone
"Just think about not using 2.4 Ghz radio, (Loc8tor uses that band also). You will have a reduced range with a 2.4 Ghz transmitter that close to your receiver."
Jun 20, 2012
David Rosendahl commented on deadfalkon's blog post Building an Android based autopilot
"Other advantages by using a phone is that its easy to obtain/replace (and upgrade), is built in large quantities and so on. I agree that it has a lot of drawbacks, but I love the experiment :). "
May 15, 2012
David Rosendahl commented on s.v.itterzon's blog post QRM [DIY quadcopter]
"Can only agree with the rest of the comments. Looks really beautiful but sadly it is to heavy for that power choice. I have experience with the same motors and props and more than 250g on 2S is not a good idea. (Even 250g is to much in my…"
Jan 5, 2012

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Robot engineer
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Season Two of the Trust Time Trial (T3) Contest has now begun. The fourth round is an accuracy round for multicopters, which requires contestants to fly a cube. The deadline is April 14th.

A list of all T3 contests is here

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