• Oakland, CA
  • United States

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  • 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 helicopter of type Gaui Formula X7 was found next to the body and collected…


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 aileron.

I was amazed on how stress-free the flights turned out. After…


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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