DX-7 Heli Program for AEROBATIC Airplanes!!!

Discussed EARLY in the DX 7 thread, I never did read where anyone followed through just to "see" if it would work.  Throttle control is the "main" advantage, since it has a 5 point throttle mix. (That really is about the only gain, but could be important).

So - this morning - spare AR7000 and extra servos, and started playing.
First - it positively WILL work, and even permits DUAL elevators *and* DUAL Aileron servos, with the "Trim Includes" working! Very slick. So the ATV, Expo, Dual Rate, yada yada all work. Rudder is rudder (yawn).

Throttle is where things get interesting! And it probably would be pretty cool..... First, assign a "THROTTLE HOLD" value of ZERO, but assign to the GEAR switch. This becomes the "throttle KILL", and it absolutely drives the throttle to the "L" point set by ATV in the throttle channel.  Very sweet!


The "THROTTLE CURVE" function is set to the "FLAP" switch, and then just program the curve points like you want 'em. Done. There is an option to select EXPO or not, and three points that can be set anywhere along the curve, and each can be adjusted in terms of travel at that specific point.  Very Slick.

Overall setup is:


ELEV>GEAR in MIX 1, +100% both directions (Elevator trim works in BOTH channels)
AILE>AUX2 in MIX 2, +100% both directions (Aileron trim works in BOTH channels)
MIX 3 is "vacant" (so could be a knife edge mix, or roll mix, if needed)
RUDD is RUDD
THRO is THRO

May just have to buy a foamie to test all this, but on the bench it positively works!!


All the D/R switches work like we want. The real "plus" for this is the Throttle CURVE, and the THROTTLE "KILL" without a bunch of monkeying about.

Oh yeah, you do need to set the Swash for 1 servo.  And all the PITCH mixes to INH and Zero., and all the "STUNT" mixes, too.  None of that stuff is needed for aerobatic airplanes.