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BTW Would anyone know what model it is? The engine is a Thunder Tiger Pro and I think the car is a Tomahawk but can’t find a model number. Servos are ACE S1903. As ever thank you.

Good Morning, Thank you. When disconnected from the servo the carb opens and closes freely. It's not immediately obvious to me that any parts are broken apart from the fact that the 'collar' rig (link from earlier) doesn't appear to be doing its job. I thought I might just get a new linkage...

Hi, Had a bit of time so have got back to my misbehaving Tiger. The servo seems to work ok and the brake linkage moves back and forth fine. The throttle linkage though doesn't move the carburettor. The throttle linkage attaches to a horn on a collar on the server. The collar has a metal band...

Hi, So I've investigated further. If I disconnect the throttle linkage from the servo the servo does move as I'd expect. The problem is that if you open the throttle with the remote it doesn't spring back when you release the remote. Where does the energy come from to close the throttle. Does...

Hi, many thanks for responses. I attach a couple more pictures. The throttle servo does work and it moves the brake linkage back and forth. However the throttle linkage doesn't move. It looks to me that the throttle linkage isn't connected to the servo in the same way as the brake linkage. The...

Hi, I have a little nitro RC and it starts great. But it immediately goes into full full throttle and screams. The throttle goes straight to fully open and I can't control it. The servo seems to not be attached to the throttle in the usual way. Picture attached. Any thoughts? has this been...