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3d - Printworx

Printing 3d Forum

throttle response on YAW

Started by jimbo385, Saturday,May 11, 2013, 09:56:53

Previous topic - Next topic

jimbo385

Ok.

My SK450 is running very well but I do have a bit of an issue with YAW.

When I yaw one way, the copter will rise and when I go the other way, it will fall.

Can I correct this with settings or do I have to use a mix on my tx?

Cheers.
F450 Clone KK2.0 General Batting around!

FPV550 KK2.0 FPV No gear on it yet!

DJI F350 Naza Lite Naza Experience

FPV 250 With RCTimer Power kit. Pocket Rocket!

Wishlist - Tarot FY680 Pro

lakis21

Quote from: jimbo385 on Saturday,May 11, 2013, 09:56:53
Ok.

My SK450 is running very well but I do have a bit of an issue with YAW.

When I yaw one way, the copter will rise and when I go the other way, it will fall.

Can I correct this with settings or do I have to use a mix on my tx?

Cheers.

The same problem I had yesterday too. I install 2.9.1.R7 to try it.
Everything is working fine, except that:
IF I am on on loiter its solid rock. If I make full yaw right, it will start turning right and suddenly it will speed up the motor and will rise up!  :hmm:
Any idea, is this a bug or it is a matter of tuning?

Sorry for my bad english.


peter_a

Saturday,May 11, 2013, 14:00:46 #2 Last Edit: Saturday,May 11, 2013, 14:07:50 by peter_a
Join the club , I think it`s a PID setting  ?.

I have you same problem , it raises on a yaw movement But not with pitch or roll and drops with wind , but I think that`s normal .

jimbo385

Well with helicopters there';s a revo mix that takes this unwanted change in height from yaw control.
There must be something on the board cause you';re meant to be able to fly these well without a high end transmitter.
F450 Clone KK2.0 General Batting around!

FPV550 KK2.0 FPV No gear on it yet!

DJI F350 Naza Lite Naza Experience

FPV 250 With RCTimer Power kit. Pocket Rocket!

Wishlist - Tarot FY680 Pro

peter_a

I think the problem is :-

To make it yaw , half of the motors spinning anticlockwise and the other half spinning clockwise ( balance ).
Slow all the props spinning in one direction and speed up the other half running in the other direction . Yaw
But for some reason it`s speeding the prop up more than slowing down the others props .

OR it`s the barometer problem like it dropping in wind   

lakis21

For sure has something to do with settings and PID but which.
I found this on google
http://www.multikopter.co.uk/forum/topic/819-criusmegap-yaw-issue/?p=10345
I will try to compare the figures and check.

peter_a

You are right it looks like it`s stablise yaw P setting , I`ve lowered it from 4.5 to 4 and it drops a little bit .

lakis21

Quote from: peter_a on Saturday,May 11, 2013, 18:19:03
You are right it looks like it`s stablise yaw P setting , I`ve lowered it from 4.5 to 4 and it drops a little bit .

Thats great! Keep tuning. I will also try tomorrow. :)