Trex 450 Tail Servo

[Ghillie47]

I have a Trex 450 plus. Since a recent crash I have had problems with my tail servo. After about 3 mins flight time the tail servo blowes. This has happened twice today. I have a servo tester and both are not working. Tail servo is an Align digital DS 425M and gyro is an Align GP 790. Any ideas you good people out there. Thanks

[xygax]

couple of things... firstly try the servo see if it moves smoothly if it does then probably not a servo related problem. It sounds more like a problem gyro.. basicly because it works initially then fails a bad servo would most likely fail straight away the gyro could be a thermal issue after you apply power something gets a little warm and stops making contact... put a quark on it they are brilliant... and reasonably priced...

[Rowey]

+1 on the quark, had no end of problems with tail (780 gyro) until i replaced it

[CageyH]

I never liked the previous version of that servo. If this is a "cut price version" of the 420, then you are probably better off replacing it.
I have two GP780 gyros, and they work fine on my 450s. Anything smaller has a quark on.

[berley114]

Ghillie47
I used a Spartan quark clear case gyro with a Futaba S9257 on one of my 450 tails, I never had a problem with it, the tail was solid. Since i have modded my 450 to FBL i could sell the Quark gyro (used), also i have an Align DS450 servo i dont need (used), i could sell too.
Spartan Quark gyro (clear case)used good working condition £30.00. posted.
Align DS420 servo used good working condition £10-00. with gyro posted?
Or.....
NIB Spartan Quark Gyro (clear case) ...Box is open to show the contents but the Gyro has never been removed from the box £45.00. posted.

pm me if interested. Kim.