Ger Harris
  • Male
  • Alpharetta, GA
  • United States

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A Humble Request for Software Versions

Started this discussion. Last reply by Andre S Sep 26, 2012. 7 Replies

I am actually fairly new here, but I am one of those people who follow the threads eagerly looking for the next software release with bug fixes and feature updates.   To be sure, so far I've had some…Continue

Help - Loosing GPS in Mid Flight

Started this discussion. Last reply by Augusto M. Iturri Jul 10, 2013. 10 Replies

I'm really hoping that someone in the community can help a fellow drone hobbyist figure out this GPS mystery.I have an Ardupilot Mega 2.0 (Ardupilot 2.50) with an external MediaTek MT3329 GPS…Continue


Ger Harris's Page

Hobbyking Bixler
Ardupilot Mega 2.0
External MediaTek MT3329 GPS
3DR RadioTelemetry Kit-915 MHz
3DRobotics Bixler electronic chassis
Spektrum AR8000 Receiver (Spektrum DX7s Transmitter)
808 #16/#11 HD Key-chain Cameras
Velcro Secured / Carbon reinforced wings
6x4E Propeller
Weight: 786g Drone / 1100g full FPV

Carbon Rod installed inside stock Bixler Wing Rod
ESC installed on outside right for heat control
Removed cockpit magnets due to possible interference
Reattached wing horns with Gorilla Glue (bad crash with pre-attached horns)
Reglued wing spar with Gorilla Glue (again, bad luck super glue here)
Packing Tape over wing spar
Velcro/Fishing wire secured 808 #16/#11 Cameras
Electronic chassis secured by rubber bands!!
Balanced to 61cm
DX7s Channel 8 - Gear channel control APM modes
DX7s Channel 6 - AUX1 - control Geofencing enable
Throttle failsafe modified below throttle normal range - RTL Activate

Future Modifications:
Lost Plane Alarm + Low Voltage Sensor
FPV Transmitter - Security or GoPro?

I found my best balancing point is 1.5mm forward from the center wing spar line. Yes, I fasten my electronic chassis with rubber bands as the stock magnets seem to interfere with the compass.

I had a bad crash were the ARF Bixler wing spar became completely unglued in flight. The resulting crash completely tore off the front nose. (Unrelated to anything having to do with the APM modules)  Using a heat gun to melt and reform the nose, and Gorilla glue I was able to get the Bixler flyable again.

1) AR8000 receiver on the bottom right with satellite receiver on the top left perpendicular to each other.
2) External MediaTek MT3329 GPS module on the top. (Required extension cable)
3) RadioTelemetry Kit-915 MHz top right
4) 808 #16 Spy Camera for in-flight video
5) APM2 module with 10cm servo extensions for easy installation and removal.
6) Lost plane alarm below telemetry radio.

Better view of hole drilled out to serial/USB access to the APM2. Also, you can see the lost plane alarm underneath the telemetry radio.

Servo extension cables feed out the back and are labeled for easy installation in the field. APM2 module fasted to bottom with nylon screws.

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Please tell us a bit about your UAV interest
Starting with a drone configuration due to too many stories of FPV equipment flying away. Stock Bixler -> Drone Bixler -> FPV/Drone Bixler.
Atlanta, GA

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Ger Harris's Blog

Combining Live View / Telemetry / Mission Planner

Posted on August 24, 2012 at 5:00pm 15 Comments

This my version of seeing everything working together without an OSD.   I used this video view to tune the Bixler from the stock parameters, and to get a good idea of how everything all works together. 

This video focuses on way point missions (auto) and geo-fence breaches (guided).   Please note that everything is not as smooth as I would like it to…


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