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I can't speak about APM 2.8, but I know that the business of severing a trace to disable the internal compass was only on APM 2.5 and earlier versions. With 2.6, you don't have to do that, and I suspect that this is also true with APM 2.8. When I first put an APM on my Parallax Elelv-8, I...

I live in Texas, where lately the heat has been in the 90's with humidity in the 50% - 60% range. I have flown my my aircraft in these conditions and have noticed the motors being hot to the touch after around 8 - 10 minutes of flying. Twice, I've had my Parallax Elev-8 suddenly pitch over and...

I'd recommend, if you haven't already, register with the FAA and affix your ID on your aircraft. If any cops come by while flying outside and you show them, they're likely to regard you as being responsible and leave you alone. That is, unless they are one of Sheriff Joe's deputies, in which...

I have a hexcopter that uses an APM 2.6 flight controller/autopilot and Tarot 2 axis gimbal/GoPro Hero4 camera. I can shoot nice aerial video when I remember to press the record button prior to takeoff, but I've wanted to shoot still photos. Unfortunately, the APM cannot control the shutter...

I flew my modified Parallax Elev-8 quadcopter over the Legacy Pond in Sun City - members of the R/C club were sailing their boats on the pond:

I don't know about other flight controllers, but my APM 2.6 controller/autopilot has a failsafe feature that permits the autopilot to take immediate action when the battery voltage or current drops below a certain threshold that you can set. The action can be to land immediately or return to the...

My first quadcopter build was a Parallax Elev-8 (V2) kit that had a basic flight controller. After some basic maneuvers I quickly got cocky and let the aircraft get away from me - I would lose orientation and flying in Acro mode invited trouble for a novice pilot. Then I built another elev-8...

Props and ESCs sound fine. If you go with a Gens Ace 3s 4000 mAh lipo, your total weight would be 1128 grams (800 + 328 for the battery). You need motors that will provide a total of 2256 grams of thrust. Here is a link to a YouTube video where a guy measured thrust using the kind of motor and...

Did you perform all of the calibrations? Specifically, did you do the radio and ESC calibrations? I have built three aircraft using the APM and have not had problems like that.

Looking for a replacement 3DR GPS. Cover must not be damaged/scratched.

I built two video platforms. One was a Parallax Elev-8 (V2) quad and the other was a Tarot FY680 Pro hexcopter. Both aircraft use a clone APM 2.6 flight controller/autopilot with external GPS, telemetry, and500 mW video transmitter. Both use a Tarot 2axis gimbal and share a GoPRo Hero4 camera...

I recently suffered a crash Aug 8 - suspect a defective prop separation that caused my Elev-8 to pitch over and crash: I just completed the repairs - had to replace the two front booms (those with the red mylar) and their motors, the GPS mast, and all screws that attach the booms to the...