pbeck39

I have been given a Top Flite P51 in a partial build state. It’s coming along well but I’ve encountered a setup/programming issue that I cannot seem to resolve.

Equipment details are:
Transmitter Futaba 14SG with R7008SB Receiver. They are bound using the FASSTest 14 CH, Single G. Mode 2.

The linkage menu is set as follows:

Type…..Airplane
Wing….Normal
1 Ail
Tail…….Normal.

The wing is built with one aileron servo plus two flap servos and Eflite retracts.

The problem is this:

The Aileron servo fitted is a AVOX SC-0252 type. When I power up the system and plug in the aileron servo, all that happens is a quick movement to what looks like a central position and that’s it. Moving the stick on the transmitter has no effect. The Hardware selected on the transmitter is normal with aileron and trim at J1.

I tried using an old futaba 3001 servo with the same result.

can anyone shed light on what is going on and what needs to be done to get it all operational.

Thanks.

Paul.

mongo

My Feedback: (15)

what # channel on the rx are you plugging the ail servo into?

pbeck39

The Aileron servo is plugged into Rx ch 1.

pbeck39

Just to clarify the mention of mode 2 with respect to the radio/receiver setup….Mode 2 refers to having the throttle/ Rudder on the left with ail and elevator on the right.

modtron

Check that the channels are operating as you expect it to.

Go into the Servo Monitor menu and see if the channel moves when the stick is operated.
You possibly have the channel layout (Function menu) in different outputs.

modtron
Oxford UK

Dick T.

My Feedback: (243)

Channel mapping changes when using FASSTest receivers. As mentioned, check the servo monitor screen to see what you have. You can manually remap the channels to original AETR. Futaba automatically remaps FASSTest transmitter channels to keep matching channels (i.e. dual aileron), etc. together to minimize latency.

Simpler to plug servos into already mapped channels. Servo monitor is your friend.

pbeck39

I have checked the functions via the servo monitor and it all operates normally and correctly. However for some reason the servo is not responding as you would expect.

modtron

What do you mean by Single G ???

The receiver should be in either Mode A or B

modtron
Oxford UK

RBACONS

My Feedback: (3)

Do the servos on your other channels (i.e., Throttle, rudder, etc) work properly? Sounds like you either did not bind the receiver properly or it is not bound in Mode A (there is no Mode 2, its A, B, C, or D). Should be Mode A unless you're using SBUS or 2 receivers in one plane.

pbeck39

The mode 2 I mentioned only referred to the transmitter stick configuration, not the receiver. I'll have a look at the binding issue which sounds most likely.

pbeck39

Firstly, thank you to all involved for your help in resolving this issue.

For information, it related to two R7008SB receivers that I bought second hand from a modelling colleague. However he is way up another level from me and flies large complex jet aircraft with the result that the receivers were set to another mode, possibly I think as he may have been using S Bus. All I did was to reset them back onto mode A and now they work perfectly. Thanks again.

sengli

My Feedback: (27)

Good to know about this. Like you I have never used the S-bus connections. I just dont need it for my simple models.

On a side note, I find the programming on the 14SG to be way cumbersome as compared to my 9C, 10C, and 12Z Txs.