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4 Channel Trainer for Coach and Student (Dual RX Controller)

4 Channel Trainer for Coach and Student (Dual RX Controller)


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34 g

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The 4 channel trainer allows for pilot training in complete safety as the coach or instructor can take control of the plane at any time.

This system doesn’t require the coach and student to use the same brand of transmitter or receiver.

The plane is fitted with two receivers (one for coach and the other for the student) that are connected to this device and then to the control surfaces and esc/motor. The coach determines who has control of the plane via a switch on their transmitter.

This has many potential applications, for instance, for safe FPV flying, this will allow your observer to take over the flight at the flick of a switch if need be. The unit is small and light as well as simple and fast to set up and isnt much more expensive than many buddy leads!

• Coach and student don’t require same brand of TX/RX
• Coach determines who has control of plane

Working Voltage: 3.7-8.4V
Load Current: 10A
Dimensions: 50x27x9.3mm
Weight: 6.3g

1 x PCB
9 x male to male JR style servo leads


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This unit works very well. I used it to install two receivers to couple two transmitters to my FPVraptor training plane.
I am using the Turnigy 9XR as the trainer transmitter and the Turnigy TGY - i10 as the master/coach/instructor transmitter. I learned the following to help with the set-up:

Dont try to be clever. Set the channels on the transmitters to be the same as that of the board meaning: Ch1 = Air; Ch2=Elevator; Ch3= Throttle; Ch4 = Rudder. Follow all the wires to the receivers and this model with this set-up. Saves time trying to work out which channel on the radio/receiver is actually working.

Understand that each transmitter works individually and that trim settings on the Master/Coach do not transfer to the slave/pupil. Each transmitter is truly independently in control of the model.

Lastly, I did not set any of the transmitters to training mode, there is no need to as this unit switches control of the airplane from receiver to receiver.

This is a clever piece of kit which is easy to install and I hope to have many happy hours flying with it.
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Yesterday tested this system on the example of two electric aircraft .. It is liked me. If everything is properly connected - the system works immediately without any settings.
I have an idea for management two aircraft simultaneously with a single remote control.
Later, I will try to make a video about how to use this system.
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INITIAL REVIEW: I just opened the package and am installing it now. But, first thing, you should know the instructions are some of the worst-written I've seen. My guess is that I'll be able to install and test it using common sense, trial-and-error, and a lot of time. But, wow, it's pretty bad. For example, here is the last instruction, exactly as written:

"MARK: If you used it on oil airplane, you need to supply power to A or B port, via ESC is OK don't need a separate power supply."

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