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How do I set up Flaperons on my transmitter, I don’t see the menu?
Your transmitter is very, very versatile, so you can set up flaps or flaperons in a variety of ways. We're going to show one way here that we've found to work very well.
When setting up flaps, it all depends upon how many servos you're using for control. If you're using just a single flap servo, then they cannot be used as extra ailerons to add roll authority. However, you can use them in a "Butterfly", or "Crow" function. If your model uses two channels for flaps, then you can set up more functionality.
In our example here, we've set up a model with the "2AIL+2FLP" wing type and the "AILVATOR" tail type. We're going to set up a few different functions to show some of the versatility.
Plain Flaps
For just "plain" flaps, we set the "FLAP" channel to work off of LS. The FLAP2 channel has its control left blank. It will work nicely along with the FLAP channel.
Set the flap movement by moving the slider to your preferred "flaps up" position. Adjust the control linkage so that the flaps are in the desired position for fully-retracted flaps. You fine-tune the position by adjusting RateA or RateB in the AFR section for the Flap function.
Now move the slider to the other extreme. That will be your "flaps down" position. Adjust the other rate. If you adjusted RateA for flaps up, then you will adjust RateB for flaps down....or vice-versa.
Adjust the "SPEED" setting if you want the flaps to move more slowly than the speed you move the slider. "IN" is to set how fast the controls move in one direction, "OUT" adjusts the other direction. Adjust them how you like, there is no "right" or "wrong", here.
This setup also works if you have only one flap servo that activates both the left and right flaps.
If you want to put the flaps on a switch so that you have up, 1/2, and full flaps, use the Function section in the Linkage Menu to put the flap function on the desired 3-position switch. Set the switch to its middle position. If you turn the airborne system on, the servo should be centered. Adjust the flap pushrods on the servo arm and control horn so that the flaps are at the 1/2-flaps position.
Move the switch to the "Flaps up" position and adjust the endpoint in the Flap AFR so that the flaps are fully-retracted. Move the switch to the "Full flaps" position and adjust the Flap AFR so that the flaps are in the desired "Full flaps" position. You're done.
Later on, if you want to adjust the position of the "1/2 flaps" position, you can use the sub-trim to adjust it a small amount. If you need a larger amount, you can either adjust the flap linkage and then reset the AFR for Flaps up and Full Flaps, or adjust the offset in the AFR and then reset the Flaps up and Full flaps AFR. Either works well.
Flaperons
With this wing configuration, or even one where you only have a two-aileron wing with no flaps, you can easily set it up so that you get down deflection on the ailerons when you activate flaps.
First, go into the Linkage Menu and then the Function option. Page through the options until you get to the "Camber" function. Activate it by putting it on a desired control. We like to use a slider. In our example, we're going to use LS. If you have a flap channel, set its control to "- -". That is, Null. We're going to have flaps work with the slider.
Now go into the Model Menu and activate the Camber Mix. Turn it on, but don't set it to a switch. The Camber mix will always be on in this example. On the right-hand side of the page, you'll see the options for "Camber AFR", and a box that says "Curve and Rate". In that box are "Aileron", "Flap", and "Elevator". You'll still use this section if you don't have separate flaps, but only ailerons.
The Camber AFR will already be set to 100%, so don't worry about it right now. Go into the Aileron section and press the S1 button to get to the second page. Here is where you set how much and in which direction each aileron will move when you move the slider to the full "Flaps Down" position. Move the slider to the full Flaps Down position and adjust the rates for the left and right ailerons to give you the amount of down deflection you desire. Move the slider to the full "Flaps Up" position and adjust the rates to the desired position. You'll usually leave that one at 0% because you want the ailerons centered when the slider is set to full "Flaps Up.
We can't tell you whether to adjust Rate 1 or Rate 2, because that will change with your particular setup. Just adjust one, and if it doesn't work right, adjust the other. Actually, it really doesn't matter in just this case because you can use a negative amount. However, if you are using other mixes, then you'll have to work with the rates and directions to get everything to "play nice" together.
If you don't have separate flaps, then you're done. If you do have separate flaps, then go in to Flap section that's in the Curve and Rate box and do the same thing to set them up.
To get elevator compensation when you deploy flaps, go into the Elevator part in the Curve and Rate Box.
With separate flaps in a two-flap (or more) wing, if you want them to operate with the ailerons, so that you have full-span ailerons, we need another step. Return to the main Model Menu and then select the "Ail->Camb.Flp" function. This is a mixer that makes the flaps work with the ailerons. Press S1 to go to the second page, turn it on, select a switch if you want to be able to turn it on and off, and then adjust the amount of aileron-type movement you want with each flap. Move the aileron stick fully to the right, and adjust the right deflection percentage to get the amount of movement you want. Move the aileron stick to full left and do the same. In order for this to work, though, you must make sure the servo is in the center of its travel when you have the flaps in the retracted position. If the servo is at one end of its travel with neutral flaps, this won't work.
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