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[bobgrimward]

Hi Folks,
I am quite new to the hobby and I am currently building Metcalf Mouldings Graemsey. I have just installed the electrics but when the transmitter is in nutural one of the motors is making a noise and creeps over. I can stop it by adjusting the trim but it still makes a slight noise. Is there anyway I can stop this happening. I have built a single screw boat before and had the same problem. Am I doing something wrong?
On this build I have used twin MFA torpedo 500 motors, single 12v 7amp lead acid battery with two mtronic 15 amp speed controllers set up as tank steering.
Hope someone can help please.

[Martin (Admin)]

Hi Bob,

Sound like the normal high pitched whine you get from modern speed controllers, what make and model is it?

 Martin 

[bobgrimward]

Hi Martin,
The controllers are Mtronic 15A viper marines.

[dreadnought72]

The good news, Bob - if these are the "Viper Marine 15" speed controllers from Mtronics, and not the "plug and play" ones - I had this with mine. 

They simply need to be told where neutral is during set-up, else they want to creep a little.

If you've not got the instructions to do the set-up, they're on the Mtronics website right here.

Andy

[bobgrimward]

Many thanks Andy.
That's where I was going wrong, did'nt set the controller properly.

[dreadnought72]

 

Good stuff!

Andy