Hi dodgydave1975,
Welcome to the Forum,
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The Older Heng Long Tiger with no smoke or sound will probably cause you problems sooner rather than later, I am sorry to say. I think that the radio controller for it ,will just have positions 'A,B & C' rather than a number on a pressed in plastic cover. If so then the Tiger will have two speeds of 'Fast and Faster'.....and these control boards are a weak point on the tank. It would be a good idea to put a small computer fan inside the Tiger to cool the circuit board...BUT...all the motors etc are soldered
directly to the circuit board, which means that if you split the hull from the chassis you must be
very careful NOT to pull any of the wires away....because it will be very difficult to see where they came from. Sorry to be a bit of a pessimist , but I am just being honest with you.
Alb.
Never Forget......
The Propaganda of the Victors....... becomes the History of the Vanquished