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FF7 and crow braking


Andy Freeman
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Hello Andy,
As crow braking incorporates up ailerons and down flaps, you would probably have to mix this on one of the free mixers anyway.
Having said that, you would have to "Y" lead your ailerons to ch 1 and your flaps to ch 6 so that you can mix them. This would mean that you could not use chs 1 & 6 for individual aileron set-up, although you could use a two or three position switch for the flaps instead.
Hope this helps.
Simon.
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To do this, Andy, you need to connect the flaps to ch 3 (throttle stick, mode 2), and slave ch 1 to ch 3 on a free mixer.  I think you should be able to switch the mixing in and out with one of the rate switches which becomes an "on/off" switch. This means that you can use just flaps using the throttle stick, or switch on the mixing and mix flap and aileron.
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Having just started gliding but owning an FF7, I have to concur that the FF9 is a better choice. The FF7 does not have dedicated glider mixes.
 
However for those who might be looking here for an answer to how to put such a mix to include ailerons on the throttle stick. It can be done but will take up all 3 free mixes.
 
The exact mix will depend on the setup in the model such as use of Y leads, or seperate channels etc. Here is an example that will put you on the right road;
 
PMIX1  3 Master 6 Slave, the exact percentages will have to be experimented with. The offset will probably be best set with the stick in the centre.
 
PMIX2 3 Master 1 Slave, rest as above only the values will probably be negative if the above is positive. Important note - check that the Ailerons still operate at full deflection of throttle stick - if not reset the offset.
 
PMIX3 3 Master 2 Slave, this mix is used to alter the elevator trim as necessary.
 
The strength of the FF7 is its programming flexibility, its weakness, the difficulty involved in doing so!
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