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Old 11-26-2012, 10:27 AM
Join Date: Jan 2005
Location: Bristol, UNITED KINGDOM
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Default RE: Throttle to Rudder Rate mix

OK, sorry for the confusion.

The feature I require is to adjust the Rudder Rate (or AFR, travel, sensitivity or other loosely equivalent term) as a function of the throttle position. Ideally this needs to be via a curve rather than being constrained to be linear. For F3A, the use is to progressively reduce the rudder travel as the throttle is opened. It takes a bit of setting up to get it right but it really makes a difference in integrated rolling manouvres and rolling circles, especially when it is blowing a gale and upwind and downwind airspeeds are significantly different. As a an additional advantage it can be used to give full rudder travel at idle for stall turns and spins - I know some people use a switch for this.

On the 9Z, you can do this using the Rate Control programmable mix (CTL), p.66 of the manual. From memory this provides a five point curve for the feature (might be 7).

I'm not familiar with the other Z's and the 14MZ and 18MZ, but I know other pilots doing it on the MZ's. The manuals for these do not mention a CTL mix type, but I assume there is another method - possibly the VTR mix type, but it is hard to tell from the manuals. As for JR/Jeti/Hitec/Spektrum/Airtronic I also can't find anything obvious in the manuals, hence the question