There's a pretty regular stream of posts from beginners listing parts and asking for feedback, I thought I'd post some pics and specs for a quad which I've partially rebuilt three times, noting some…Continue
"The inertial navigation can make it seem like the internal compass is working when it isn't -- i.e., the mission planner HUD heading will rotate when you yaw the APM.
One easy way to tell if this is the case is if it always starts at North when…"
"Higher kv motors turn faster, but with lower torque. A 1000+kv motor on a 3s battery would be better suited to a 8 or 9" prop. I wouldn't go smaller than a 10" prop on a 650 frame though.
You can play with some variables in this…"
"The maH is capacity - basically the size of the gas tank. the C rating is the size of the pipe from the gas tank to the engine. 20C or better is fine for a quad.
The S rating (3S, 4S) is the only thing you need to worry about being too…"