Vbar Help.......

[Sarge]

Hello all

I finally managed to borrow a laptop so I could set up a mini bar, its been several years since I touched one of these. All the setup now seems ok but for some reason there is a delay in the servos moving when i move the collective or the cyclic quickly. it seems they can't keep up.

This is the same set up I had a few years ago (align 610 servos) and back then there were no issues like this, have i missed something in the set up program ?

thanks in advance

Andy

[ChrisB]

Seen this on bench with low input voltage.

[Sarge]

Thanks Chris, Ive fully charged everything (10s) and the esc is a kontronic 120 hv. still getting the same results I'm afraid

[ChrisB]

Hmm,are you running the slave cable too?

I have seen behaviour you describe when pumping the collective when setting up using a 4.8v NIMH,ive also once seen in with a Kosmik without using a slave supply cable.

Servos all move OK when stirring cyclic of slow collective inputs but speed it up and the servos all start to slow down,pause,run behind stick movements.

[Sarge]

Thanks Chris

I'm running direct from the kontronic ESC, collective is slow if I pump the stick and the cyclic is slow when I move the right stick. If i move both sticks together its still the same.

its a 10 s setup pretty much mirroring my older logo 500

[theonlygk]

Do the servo's stop and then start moving again?

Just to re iterate the question Chris asked, are you using the slave cable as well as the main cable from the ESC?

You need to use both cables in order to supply enough power to digital servo's running of a Gyro.

With the V bar connected to the PC do a few pitch pumps on the home screen and see what the voltage drops to (displayed bottom of the screen) , It should display the minimum voltage during the pitch pumps.

You can also check the V bar log to see if its giving an error, This is probably the most useful tool for this sort of issue.

Go to help at the top of the V bar software and go to log and download the log file.Hope this helps

[crash-test-tomo]

I had similar sounding symptoms with an ikon once. Turned out to be a bad spektrum sat! Check the sat (presuming you are using spektrum) stays lit when you're moving the sticks.
The one other time iv had strange responses etc from the servos was caused by a bad castle quick connect link

[Sarge]

Thanks for the replies gents, I haven't been using the slave, but i will get another lead tomorrow and give it a go, fingers crossed I can get it flying this weekend !!

[ChrisB]

I am almost certain that will solve your issue.

[Sarge]

Gents

I managed to get a slave lead today and the problem is cured. Thanks for your help! right lets go fly this logo 600.........

Andy

[ChrisB]

Brilliant,now go enjoy it.

[Mike Sanders]

I love it when a problem is solved.