funny problem, "Nose wheel"

Hello forum.

Mi UAV airframe is using a "V" shape tail, it means that it uses the elevator channel and the rudder channel mixed on the radio, also uses a trike landing gear, with a nose wheel that i need to steer for taxing, take off and landing.

The problem is that my radio system is a JR XP6102 6 channel radio:
Chanel number:

1- aileron
2- elevator
3- motor
4- Rudder
5- gear (some how going to be used for ardupilot.)
6- aux1

where chanels 1 and 6 are mixed with one servo on each aileron, (also flaperon function).
and chanels 2 and 4 are mixed in "V" tail function.


So, how do i steer the nose wheel?????

The only idea i can come with is to save one chanel (6) using a "Y" harness on ailerons and try to program the nose wheel servo (allready installed) on chanel (6) mixed somehow with the ruddder chanel, i have to test it, i think is going to move also when i use the elevator (V tail mix).


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Replies

  • hey people i solved the problem, it happens that the radio (JR XP6102) is able to mix the rudder channel to the aux1 channel independently from the vtail mixing....

    so, i installed a y harness to the aileron channel to manage both aileron servos
    chanel
    1 ailerons
    2 elevator (vtail)
    3 thro
    4 rudder (vtail)
    5 gear (ardupilot)
    6 aux1 (nose wheel) mixed as a slave to the rudder as master.....

    so...... the JR resulted a good thing....... :-)
  • hello people, i found the separate mixer...... going to install it tomorrow!!!!

    thanks so much for the answers
  • Developer
    Of course you could get a better radio ;) Just kidding.

    Actually I would do it by using a separate mixer for rudder and elevator. You can buy a mixer cheap - http://hobbycity.com/hobbyking/store/uh_viewItem.asp?idProduct=6321

    Turn off the v-tail mixing in the radio and use the external mixer between the autopilot and v-tail servos.
  • The short answer you cant. The long answer, if the autopilot can do the v-tail mixing then split the rudder output from the radio before it goes into the autopilot and connect the tail servos to the autopilot and turn off the v-tail mixing in the radio. To bad you don't have an extra channel on the radio, then you could get just rudder on that extra channel.
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