I've just finished building my sig "rascal"i'm going electric.What my problem is connecting the wiring, i'll try and explan it as best as i can). I'm running a speed 400 motor, pixie 20p(speed control),futaba receiver(fp-r127df) and receiver switch, and a sanyo battery pack(600e 7-cell).Now, starting with the motor,i've tied in the pixie speed controler(motor side)and then one set of wires goes to the receiver(outlet 3, and this is suposed to supply power and speed control) the other set of wires goes to the receiver switch (2 sets of wires on one side and 1 set on the other side) now, i've tied into the side with 2 sets(with the battery) and in the futaba manual it says that the single set goes to the battery outlet on the reciever. now my question is do i run this to the pixie? now, i hope that this makes some sence, and that someone out there can explan it "alot" better than i did.Thanx!

Welcome to RCU!!!!!!

You don't use a receiver power switch. The Pixie supplies power to the RX as long as the motor battery is connected.

You do not use a battery pack for the receiver. All power comes from the motor batt pack. The pixie has a voltage regulator that supplies the RX

Nothing should be plugged into the battery slot of the RX

Reference the manual on this page:

http://www.castlerc.com/products/air...pixie-20p.html

thanks for the quick reply flatfour, just using the receiver switch as an on/off swich on the outside of the plane. easy access. don't i need this swich?

A standard receiver switch will not handle the current for the motor.

If you put the switch between the ESC and RX, the battery will still be connected and under a constant drain, even though the receiver is not powered

Some speed controls have an "arming switch". It would be wired such that both sides of the switch go back to the speed control. It is used to "turn off" the speed control and the receiver all at the same time. You never want a switch between the speed control and the receiver or between the battery and speed control, or speed control and motor. As stated above, a normal switch can't handle the current that goes from battery->speed control->motor. and the last thing you want is the receiver to loose power while the speed control is still "active", so a switch between the speed control and receiver would be out. On thinking about it, some speed controls might just use a switch between the controller and the receiver the same as a seperate arming switch. I haven't seen it, but it's possible. I'm not an expert in electrics though.

Check the docs that came with the speed control. Here's the key:
Speed controller documentation takes precidece over Radio documentation, so if they disagree about anything, go with the speed controller docs.

I have reviewed the Pixie docs and saw no mention of the arming switch.

I forgot to mention, I don't have any experience with the Pixie specifically, so if the docs say no arming switch, then it doesn't have one. My speed control doesn't have one either, when I plug the flight battery in, I'm "on", the only power control is unplugging the battery. This is actually fairly common on the smaller electrics. Bigger plane are more likely to have things like arming switches.