"Kool. I haven't looked at the footage yet to see if I captured it (just set my cell on it's side and hit record) but I did fly a bit more on the vtail 500 and pixhawk and it flys fine except for giving it yaw. Giving it any yaw even just a…"
"Well, I gave up trying to tune my adverse roll issue and built a new frame that more closely matches the motor layout of the Hunter V-Tail. I also lightened in up so its not as under powered as it was.
Ive only done a couple of very short test…"
"You know I actually only flew it once. The short legs was an issue with the rear props hitting into the grass which prompted me to get it up higher. The first time I flew it I had to swap the 2 and 4 motor connections to get it to fly right but it…"
"Thanks for the feedback Tim.
Mine yaws in the correct directions. Its just the adverse roll and pitch down that is the issue.
I flew again today and tried some random changes to the PID's. I did managed to get the pitching slightly better,…"
"Well no tips but can verify what your seeing I guess.
I have a lynxmotion vtail 500 but i modified it (added longer legs). I was trying to fly it after extending the legs and adding a gopro / gimbal. I could take off and hover a bit but not…"
I just finished building a PVC V-Tail (my first ever quad of any kind) and it hovers fine with stock PID's, Im running AC3.2 - I think the latest non-beta build.
However, Im having big time yaw issues.
When ever I give it anything more…"
"Thank you Tom. I have designed my V-Tail now in a way so that all 4 motors sit almost perfectly on a circle around the CG. Taking about the correct angle for the tail rotors: Some say 40degree, some say 30degbis the correct angle. This is a huge…"
"Sorry that it took me this long to get back,
The long/short of it is that there is no standardized way to build a V-tail as far as APM is concerned. The only thing that you have to limit yourself with is the angle in which your tail rotors sit. As…"
"Thanks Tom. I can easily calculate the proper CG with my CAD, so i do not worry to much about that.
I was just wondering if there is a "defacto standard" how a V-Tail-Setup should optimally look like and which works best with the V-Tail…"
"Just got a quick clip but managed to do some flying with my Vtail 500 and pixhawk. Will do a better one sooner or later. Was a bit windy / some gusts and this was just a fresh flash of 3.2-RC2 and recalibrated accel but no tuning whatsoever. It did…"
"Answers as I know them...
A & B) Yes, and yes. The more angle that you have the more stable it will feel with less roll. With the arms angled in you will have easier roll axis and less stable.
C) Kind of the same answer here as for A &…"
i always wanted to build a V-Tail Setup but i never did because my favourite FlightControler (APM) did not support it. Now I am happy like a child to hear that support has finally been added! =)
Right now I am designing my own build (which…"
"I've got a Pixhawk on my Lynxmotion Vtail 500. I was taking off and it was spinning like crazy, had to reverse the back motors connection 2 and 4. I was able to take off twice and hover a bit before drifting and letting off throttle and…"