• Oakland, CA
  • United States

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  • Graham Pollock
  • Acorn
  • Andreas M. Antonopoulos
  • Luke Olson
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  • Jason Short

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Andreas's Discussions

APM 2.0 no longer powered from output rail.

Started this discussion. Last reply by Stephen R Mann Jan 9, 2013. 1 Reply

Everything used to work fine, but suddenly the APM does not longer get powered by the ESCs on the output rail.If I connect power to the input rail or USB the APM still works (but shuts down once I…Continue

Xbee Issues

Started this discussion. Last reply by Andreas Apr 20, 2012. 3 Replies

I'm sorry this is going to be a rant with few specifics about the my Xbee issues. The new 3DR radio is on order but it would be lovely if the $$$ Xbee investment would actually be worth it too. Any…Continue

ESC arming issue (Turnigy Plush 40)

Started this discussion. Last reply by Eric-Jan Swinkels Aug 11, 2013. 75 Replies

Received my purple yesterday, just in time for Xmas ;)   Connected it all to my quad and it all seems to work (radio input, sensors, xbee).What I can't get to work right now is the arming of the…Continue

Auto mode questions

Started this discussion. Last reply by Andreas Dec 23, 2011. 2 Replies

I have completed a few ArduPilot test flights but have some questions about how the auto / waypoint mode works.Lets assume I uploaded a program with 4 way points.1) Once the program is complete the…Continue


Andreas's Page

Profile Information

About Me:
Back to RC after 20 year hiatus.
Please tell us a bit about your UAV interest
FPV / X-Copters

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Andreas's Blog

Deadly RC Helicopter Accident in Switzerland

Posted on July 11, 2013 at 10:00am 56 Comments

As reported by

A 41 year old male was found with heavy injuries to head and arms by a walker in Mauensee Luzern Switzerland. The…


APM enhances Father's day

Posted on June 16, 2013 at 12:00pm 4 Comments

In FBW mode, the APM turns almost any plane into a perfect trainer. My two older daughters (9 and 7) were able to confidently circle over the Berkeley marina. Despite the 10-15 knot winds the Bixler2 behaved very docile and controllable. I had them completely ignore throttle and only focus only on the…


Drone shot down by police

Posted on June 13, 2013 at 7:17am 18 Comments

While filming the protests at Taksim Square, Istanbul Turkey, a DJI Phantom is brought down by police. I'm surprised that he managed to keep the footage. Many people arrested at the protests report having their memory card wiped.

Yes I made that headline as sensationalistic as possible…


RCTimer Brushless Gimbal and Controller

Posted on May 9, 2013 at 10:00am 112 Comments

It's amazing how quickly BLGs went from a novelty and costing thousands (zenmuse) to something you can get for $172 shipped!

I received my RCTimer Brushless Gimbal (BLG) and…


Comment Wall (1 comment)

At 3:58pm on April 25, 2013, Acorn said…

Andreas - I was hoping you could help me with a question I have on my DIY Oak Frame. I read in another thread about the importance of the motors being "equidistance" from eachother. In other words, the frame needs to be sqaure (Arms at 90 degrees from eachotherin a Quad setup). My frame is not perfect. It slightly more rectangular, measuring 16.5" on the long edge and 16.0" on the shorter edge. Have you ever encountered this as a problem with your quadrocopter designs? I read that you would have to adjust the Pitch(?) and Roll(?)?

By the way, I changed my screen name to Acorn in case you didn't recognize me.

I hope to hear from you,

Joe Mulledy

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