Help programmin FB 90 nitro with 14 sgh

[enrico]

Hi Guys,

I have the futaba 14 sgh. sailplane programing, got it! up and down. But when it comes to Heli programing a flybared head with 120 degree swash, I don't know what is happening ???
I've connected and centered the three main swash servos and achieved proper alignment, but in order for them to work correctly, I had to invert the pitch curve meaning, that at full positive pitch my curve starts at the top left corner of the curve, and in order to get full negative pitch the point is set at the bottom right corner. Not sure if it has something to do with the JR ds8711 servos I am using, but it seems it wants to work that way.

does anyone there has experience programming a flybar head that could share some knowledge? going flybarless right now is not a cost effective option (at least short run)
any help will be greatly appreciated!!

Thanks

Enrico

[Bob O]

Page 86 of the manual, Swash AFR. For the PIT value, if you go to the other side of "0", it should reverse the direction of collective pitch.

For instance, if the current value is +50, adjust it so it says -50 and see if that corrects the direction. Let us know how you make out okay?

Put your pitch curve back to the way it was.

[enrico]

Thanks so much for the advice! I did and it worked!! now the pitch curve is set back to normal as it should be. Going to recalibrate pitch setting now.

Thanks so much for the advice!

Enrico