[NSRCA-discussion] Trottle cut, knife edge mix on Futaba 7 ch

[Bob Richards]

Xavier,
 
Unfortunately, you have discovered a limitation of the 7UA radio. There are only two programmable mixes. I flew that radio for 4 years in pattern in the early 90s, including the '93 Nats.  If you need rudder-aileron and also rudder-elevator mixing, you will simply mix rudder into aileron, and rudder into elevator. Sure, the mix will only affect one aileron servo, but on a pattern plane this is usually such a small amount of mix that it really does not matter that you are moving only one aileron. That is how I handled the problem.
 
Not really a way I can think of for the throttle cut. I suggest you try using ATV and the manual trim. Turn on the radio with the trim all the way down, then move the trim up until the prop starts turning. Pull the trim back down and it stops. I think that is what you want?
 
Bob R.


--- On Sun, 5/3/09, Xavier Mouraux <xaviermouraux at yahoo.com> wrote:


From: Xavier Mouraux <xaviermouraux at yahoo.com>
Subject: [NSRCA-discussion] Trottle cut, knife edge mix on Futaba 7 ch
To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
Date: Sunday, May 3, 2009, 8:11 AM



Hi,

I am helping a friend setting up is plane and I can't found how to create a mix to cut the trottle (for electric). The radio is a 7UA or something like that.

Also, the aileron have 2 servos, the flaperon function is activated but when we program a mix Rudder to Aileron, only one aileron moves. How come ? Do we need 2 mixes ?

Thanks in advance

Xavier


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