View Full Version : Futaba 6EX 2.4 GHZ and Trex 450SE Help!!!!!
Thicktutu
04-02-2007, 04:25 PM
1- I got problems With antenna on new RX-R606SF. These 2 coaxial antenna required mounted with 90 degree apart. I DO NOT know where to locate it. Anybody can give me an idea?
2- RX have 6 chanels, each chanel have 3 pins. Gyros connectors have 3 pins each. How do I know which way to plug it togethor. There is NO KEY to guide. Please help me any one.
3- There is a switch with three connectors. 1 go to Baterry, 1 go charging jack (black) 1 go RX. Question: what battery? what charging Battery.
Futaba seem likes not CLEAR on this.
Thanks,
Thicktutu
MarkD
04-02-2007, 04:35 PM
2- If the servos don't work plugged in one way try the other. You won't damage anything by reversing the plugs but they all need to be plugged in the same orientation
3- You don't need the switch for the Trex. It's included in the set as default. Nitro birds use it as these have(need) an rx battery to power the servos. On the trex the 3 wire from the esc/bec goes to the rx. This is how the servos and rx are supplied with power. The Battery powers the motor and servos
flyinfool
04-02-2007, 04:41 PM
1- I am not sure on the antennas. I do not have one for a Trex.
2- Futaba does not say which way to plug in the servos because all Futaba servos have a polarized plug that only goes in one way. You want to plug the servos in so that the signal wire (white, yellow or orange) is closest to the receiver and the power wires (red center wire and Black or Brown ground wire) are toward the edge of the Receiver.
The good news is that if you plug the servo in backwards it just will not work, it will not do damage.
3- The switch is for use with aircraft that are not electric powered and/or have a separate battery pack to power the receiver and servos. You do not need this switch for the Trex 450.
DavidH
04-02-2007, 04:45 PM
There is a key on the Futaba plugs. It is flat plastic that protrudes from one side of the plug. The reciever has a slot that will accept the key. Futaba servo plugs can only plug one way into a Futaba receiver.
http://2.4gigahertz.com/radios/futl7635.jpg
The slot next to the channel numbers is where the key on the plugs slides into.
The white wire will go towards the channel numbers in the above pic. The red wire will be in the middle pin, the black wire on the pin next to the end of the receiver.
The switch you have, If there is a red plug on it, it will plug into the B slot on the receiver. The female plug on the switch, the battery will plug into it. The other plug is where you would hook the charger to charge the receiver battery.
Here is the way the receiver is laid out.
Channel 1 is Aileron ( Left/ Right Cyclic)
Channel 2 Elevator ( fore / aft cyclic
Channel3 Throttle ( ESC or throttle servo)
Channel 4 Rudder ( Lead from gyro will plug in here)
Channel 5 Gyro ( Aux lead from gyro will plug in here, this one controls gain and gyro mode
Channel 6 Pitch ( Collective)
B this is where the power lead from the switch plugs into.
Psge 10 of the manual explains all this.
http://manuals.hobbico.com/fut/6ex-2_4ghz-manual.pdf
David
Thicktutu
04-03-2007, 08:15 AM
Mr. Mark D, Flyinfool and David H.
Thanks for your quick answer. I feel warm and happy when your answer. Your information about these will be usefull for me.
1.I know how to put RX antenna 90 degree with .5 inch away from Carbon body. I do not know it work or not. I will try.
2.I will plug connectors on RX like your advice.
3.Page 10 is veryclear to connect but not make sense.
Mr. David H, This RX already have power from ESC (chanel 3 hook to ESC). The on off switch need connect to this line (not on chanel B). It is probably we do not need this Chanel B (and this swith).Because at sheet 4 They said power required 4.8 or 6V (shared with servo).
Futaba is not clear on this problem.
Do you have any idea?
Thanks a lots,
Thicktutu
flyinfool
04-03-2007, 09:25 AM
For the Trex the switch does not need to be used.
Yes the RX will get its power from the ESC through channel 3.
There are so many different types of aircraft out there that there is no way for a manufacturer to cover every type of installation. You will find that most manuals are unclear when it comes to specifics installations.
MarkD
04-03-2007, 12:45 PM
Here is a very good page showing three electrical setups
http://www.trextuning.com/electrical-setup.php
DavidH
04-03-2007, 01:15 PM
That is nice chart. Even thou each compontent is labeled. It would also be nice if the receiver was labeled also. I do realize there is different brand recievers that had different channel designations. But would seem possible to add that info in the notes.
I don't agree in the notes that say adjust the gain of the gyro to 75% and then turn it up if doesn't wag till it does wag. That is good way to kill a tail servo quickly.
David
VBDave
04-08-2007, 12:38 PM
Seems most GY401's run fine in the 30~50% Gain for HH. Mine's at 37% in my HDX450 and seems to be good there.