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[modelman66]

hi probably gunna get the 1/128 fleetscale bismarck would it run ok with 3 graupner speed 500e motors on 45mm props (p) type 12volt and two 30amp esp,s one controller operating two motors would this work?   12volt 20amp sla battery being used.

[Shipmate60]

Yes it should do, but fit a 25 amp fuse.
Also remember to fit heavy duty wiring from battery to the ESC.
If fitting a battery isolation switch ensure that this is at least 30 amps to carry the current.

Bob

[Martin (Admin)]

Not sure about the lead-acid battery but it will probably act a good tug with that much power.....  or a ski boat!
Mind you, better to have too much power and throttle back than have too little power and get caught out by an angry swan!
Have a look at Graupner Speed500 ECO motors or equivalent, nice smooth slow revving ones!