Melted Servo

Samuel Hagan JR · Sep 4, 2019

So my Steering Servo Melted along with my battery pack. Trying to figure out who took out who? Any Ideas? Not trying for a repeat. I’m puzzled because of all the years I’ve been running boats I’ve never seen one fry like this. It’s a Futaba S3305. 6 Volt battery. Using Futaba 3PM on PP mode. The Battery was fully charged. Came back with 1 Volt and the battery pack was very hot. Throttle servo seems good to go. It’s a S3151.

Danny King · Sep 4, 2019

The servo shorted. I’ve seen servos do it if overloaded or jammed and I’ve seen them just do it. The servo shorts and it is hard on everything else.

P THOMAS · Sep 4, 2019

I have had servos short like that too, new switch may be needed too, try to get battery charged up again if nicad or nimh. life or lipo? just replace the battery

Grimracer · Sep 4, 2019

when you say 6V do you mean 6.6?

Then... I have had servos take a crap on me but every time I have over volted them..

Grim

Samuel Hagan JR · Sep 4, 2019

Brand new On/Off switch. I believe the battery pack is 6 volts. Nimh Battery. Probably 6.6. I’ll have to look again.

dave roach · Sep 4, 2019

I run all life 6.6 batterys in all my boats and never had a problem.I had two futaba servos do the same thing and I replace them with hitec servo and not one problem with them.

Grimracer · Sep 5, 2019

Sam,

If they are NiMPH you are good to go. The 3305 has good power but I have herd of them checking out early. I have never had one melt down but I had seen others have that issue. I still have one in my Sport 40 but its regulated to 5V.

Thanks

Grim

Mark Bullard · Sep 5, 2019

I have had couple of them let the smoke out. One was on 6 volts but the other was running on 6.6 volts. The life will be shorter on a 6 volt servo with putting 6.6 on it. But in the electric motor repair business we say they run on smoke and when they let the smoke out we put new smoke back in.

Melted Servo

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