The Shipyard ( Dry Dock ): Builds & Questions > Bait Boats

Motor responds and runs full throttle only

(1/1)

Warrior:
this is on a viper bait boat,


But I’d imagine it’s a general rc problem. I’ve been fixing mine and my friends boats for a while but I’m stumped.


If I turn in the hand set and then the boat, the left motor runs forward if I push forward on the hand set, if I pull the stick back motor runs backwards but won’t stop in the middle, other motor is fine. Everything else works perfect,


I’d thought speed controller but I can't find any, there is a control PCB and that’s it,


I’m thinking it’s the pcb but don’t really know how to diagnose the fault.


Thanks in advance.


I have a spair handset and rec, but them on and it would not control anything,

coch y bonddu:
Sounds to me that the circuit board has gone dullaly....no cure for it bin it and either put a new one in Or get rid of all the wiring and start again with proper rc gear....done quite a few of the vipers.




Dave

Warrior:
What i thought, for a quick fix, could I buy 2 speed controllers and wire then to the motors and in the receiver to by pass that part of of the pcb?  It’s tank type steering so am I right in thinking I wouldn’t need a mixer?

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