OK. With 25% you shouldn't have the stick/yoke affecting roll rates at all. If you feel the aircraft rolling does any touch on the yoke affect the roll rate? If you can waggle the yoke slightly and see no change in aircraft behaviour then it would suggest to null zone is working for the yoke. If so look at other input devices like the mouse or touchpad which can also affect handling. Also check for other obvious effects like a fuel misbalance. Running tanks down on one side can have a big effect on roll rates. bones bones@xxxxxxx -----Original Message----- From: jhb-bounce@xxxxxxxxxxxxx [mailto:jhb-bounce@xxxxxxxxxxxxx] On Behalf Of Gerry Winskill Sent: 18 July 2009 17:03 To: jhb@xxxxxxxxxxxxx Subject: [jhb] Re: CH Yoke Query Not that. It was set at about 25%. I increased to 50% and that slowed the start of the unwanted bank but didn't remove it. Gerry Winskill Fossil wrote: > Have you set your null zone too tight? > > bones > bones@xxxxxxx > > -----Original Message----- > From: jhb-bounce@xxxxxxxxxxxxx [mailto:jhb-bounce@xxxxxxxxxxxxx] On Behalf > Of Gerry Winskill > Sent: 18 July 2009 08:58 > To: JHB Restricted > Subject: [jhb] CH Yoke Query > > Another day and another problem! This time it's my CH USB Yoke. > > For about a week now I've found that leaving the yoke hands free results > in the aircraft slowly banking and turning to the right. It happens with > a variety of aircraft, so it's not aircraft.cfg induced. > > I've allocated a couple of keys to aileron trim but they have no effect. > > I've recalibrated several times. No effect. > > I've recalibrated, pressing a button to indicate the yoke is centred, > whilst actually holding it in the approx position needed for level > flight, in the current situation. > > I'm beginning to suspect the inabillity to trim, or calibrate, out > points to the Yoke internals as the culprit. > > I seem to recall someone on the list trying to open up the yoke, with > explosive results! So, the only idea I have is to try squirting > electrical cleaner into it. > > Anyone any ideas please? I've had the yoke since the USB Yoke first came > out, so perhaps it's just knackered! > > Gerry Winskill > > >