X-31EB elevator

Hi,

You only need two servos because the X-31 uses elevons.

Some links on how elevons works, RC UNIVERSE and RCGroups. If you tell us what TX you are using someone can tell you if your TX can mix the elevator and ailerons for elevons,
or if its a basic TX you will need to use a v-tail mixer to do the same thing.


Edited by FlyDownUnder - 05/May/2012 at 12:56pm

Originally posted by MontiCanadian but they are in sync, so I used the reverse but still no luck.

Could you give information on what you mean.

Setting up elevons for the first time can be a bit confusing, sometimes
you have to swap the two servo leads and use servo reverse.

I will assume the TX is in elevon mode in the TX,
Unplug the two servo-plugs and swap them around on the RX then you may or may-not need to use servo reverse on one or both channels on the TX (on the RX thay should be pluged in the aileron and elevator ports)

One problem I did see in your photo is the aileron/elevon horn is not in line with the hinge, this is very common mistake by new modelers, you will need to fix that before you fly

See my servo horns, there in line with the hinge, you need to do the same.

Don't use the y adapter take it out,
and yes plug one servo into the aileron port and the outher in to the elevator port on the receiver, the transmitter will electronically mix the two to give you elevons.

The reason why the horns need to be in line with the hinge is to have even movement both ways, push/pull on the horn. The way you have it, it will have "mechanical differential" giving you more movment one way than the outher, it should be even both ways up/down left/right, all models are like this.