"If one of these fans doesn't provide enough power to lift itself, just add more of them until they can.  I see a dodecacopter on the horizon."

"I'd guess that rotation to be compass error from the metal laptop maybe?  I initially thought it might be that the accelerometer contribution was too high, but I'd expect that to pull pitch or roll, but not yaw."

"I can't say for certain, but I don't think that was the phantom radio itself - Anything plugged in via S-BUS or PPM goes into failsafe immediately.  Anything plugged in via PWM requires the receiver support failsafe, and many just go into a "hold…"

"@Gary - It *did* occur to me that it might've been sarcasm, but it was hard to tell.  @Jack - I'm sorry I missed seeing the Marcy 1 flying - That was one of the coolest things there."

"The "some guy" trying to get the crawler working is actually Chris Anderson. (Creator of DIY drones, 3DRobotics...)

I had a good time and was glad I made it out."

"I'm going to try to make it to this one.  I'll bring my paintball gun *and* my drones.  :)"

"Thanks for sharing this.  I'm sorry it happened to you and I wish you a quick recovery, but I'm glad you took the time to remind the rest of us.  I have been developing my own quad for some time, but it was this post that motivated me to add an arm…"

"Eventually perhaps - it's a great idea, but at the moment my quad contains only a gyro."

"Yeah, I totally agree.  I really wanted to see just how stable I could get it before adding anything else.  For self leveling or autonomous flight you do need the other stuff, but I think a lot of people assume that it's necessary even if you just…"

"I have been working on a DCM version as well, but I'm having just as much fun (and more success) with just the gyro. The code will be open, and there's a slightly older version of it posted at the Parallax forums already. I'm going to clean it up…"

"No method whatsoever - I think I originally used them intending the board to be mounted lengthwise and then ended up mounting it width-wise, so I just altered the code accordingly.  Call my method "random chance".  :)"

"The amount of correction depends on how much breeze there is, and how close to level I can get it in the first place. If I do a good job of getting the initial level right I can often not touch the controls for several seconds. I've gone as long as…"