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I replaced one of the switches on my Spektrum DX18 with a Futaba switch, they are identical. If you buy a regular switch it wont have that PCB on, that must be something added by Walkera. here's a range of Futaba switches: Futaba Radio Spares

Phil, Hopefully you will find that increasing head gain improves it. When I've had that same issue it was head gain being set far too low. The other thing that can cause it is high vibrations knocking out the gyros, but you would usually get loss of tail hold too if that were the case. Sorry...

if it feels 'loose' and drifts away in random directions then that would often indicate that the head gain is too low. This is of course assuming that you are a reasonably experienced flyer because to those still learning, all RC helis seem to be constantly drifting off in every direction, even...

I might have a 3GX dongle laying around somewhere, so if you are stuck shout and i'll have a rummage. I cant guarantee it will still be working and I don't have a 3GX to test it on anymore, but if I can find it you are welcome to it. I'd certainly advise against paying out anything more than...

If there is even a slightest chance that it could have been a reception issue then make sure to conduct a thorough range check on the heli before flying again, including range check from different orientations. Some transmitters these days give 'RSSI' (Received Signal Strength Indication) which...

I'm sure that your receiver will have dual diversity antenna (so it's actually already effectively two receivers in one box). There should be no requirements for another physically seperate receiver. I doubt if it's even possible to fit one, though I'm no Jeti expert so i could be wrong on that...

Hi Chas, Welcome to the forum. Where in the UK are you? So i'm assuming that you are getting this error when you actually try to install the software onto your PC and that you hevent even got as far as plugging in the 3GX? If that is the case then try installing the software as administrator...

Interesting Phil!. Something bad happened at the end of the flight that's for sure and it must explain the crash. So the reported error is "Receiver Signal Lost" Bearing in mind that this is the log from the Spirit and not the receiver itself this can only mean that the Spirit was no longer...

I'm going out to check my spares bin tonight but other than the head assembly and 600 length tail boom parts i probably dont have much of interest. The boom may be more expensive to ship than it's worth due to 'oversize' length. I'll contact you. The TT gears are all available, dont believe...

You shouldn't (if all was working ok) have gone out of range Phil. The antenna on 2.4GHz transmitter is non-directional so it transmits pretty much with equal strength in all directions. Some 2.4GHz Tx's have a 'hole' immediately in line with the antenna where the signal is weaker but the better...

The 550 and 600 use a 10mm shaft, the 700 uses a 12mm shaft.

Phil, I hope the repairs are not as bad as it first looked. FWIW main shaft diameter is common accross all the 550 and 600 Trex helis (10mm). The DFC is the same as the rest. Main shaft length however does change so if you did go to DFC you I think you would need the shorter main shaft (part #...

If the ESC is burned out you dont get any beeps either. It's the ESC that sends the pulses to the motor to make it beep. The BEC circuit in the ESC is seperate from the main motor control circuit, so often even if the ESC is toasted the servos and receiver/FBL will still work. But it could be a...

Very nice, when the time comes I'd love to see a flight video .

If you have a multimeter you can do a basic check of the motor. Between any two of the motor wires you should get virtually zero resistance (too low the measure with a standard multimeter). Between any on the wires and the body of the motor you should get 'open circuit' almost infinite...

I understand the 'throw it in a corner' urge, I'd feel the exact same way, i hate crashing. Give it a day or two. The three blade heads look like nice bits of kit. I think the main reason to go three blade is just for the 'cool factor'.. Performance wise I don't think there is really any...

That's a pain in the a$$ Phil, it was flying so well too. The Spirit does data logging so if you go in and download the log it might give you a glue to whet the problem was. The data log can be invaluable, just last week i had some glitches and brief power losses on my KDS Agile and the data...

ARF's are not easy to repair. The complex interlocking plywood structure, although very light and stiff, in a crash shatters like crystal glass. Looking at your photo, it's not just the nose, the fuselage side is also broken at the trailing edge of the wing. Of course it 'can be' rebuilt if you...