quadcopter (arducopter APM) trouble

Hi guys, it's been a while, but I finally got all the parts needed to finish my quadcopter, and assemble/fly it.

Well, all seemed to go well until the flight part, I try to get it to take off, and even in stable mode it starts to lift off then just flips over. I have APM with  RC2 code and followed the instructions on the preflight setup and set it up in configurator as per instructions. (at least I think I did).

This is not an actual Arducopter, but a home made clone.

I don't have my GPS or anything hooked up at the moment, If that makes any difference,(?) just the APM, Oilpan, Rx, ESC's and motors. I'm flying in + config and all motors are rotating in correct direction.

Motor/ESC connections are all soldered, no loose connections anywhere. 

I'm assuming it's just PID values or something similar, but not sure where to start adjusting them?

If anyone can point me in the right direction, I'd really appreciate it.

I'd much rather have it fall from the sky and crash& burn, than do it just rolling over in my livingroom... LOL.

I see something a bit funny once in a while, if I leave it sitting & running, just at the point of liftoff, it will sound good, then you can hear it stutter or even increase rpm with no input from the Tx, (at one point I left it running last night for about 5 mins and it almost took off as the rpm's increased so much by itself)then if I move the stick (Aileron) quickly from left to right, a motor will occasionally stall then catch up again.

I will re-read everything again, but help/advice from the experts would be great so I don't wreck in my livingroom before before even acheiving full liftoff or flight..

Thanks guys.

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  • 3D Robotics

    First of all, we currently recommend the ArduPiratesNG code, not ArduCopter RC2.

     

    Second, did you do all the other stuff the manual says to do?

     

    --calibrate your ESCs?

    --reset your EEPROM and do the CLI or Configurator config process, including radio setup?

    --Check prop types (pusher/puller) and spin directions?

     

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