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[regiment]

have a 6/12volt motor a seahunter esc on 6 volt 4amp and  the motor shudders in reverse ok forward put a 12v 12 amp in ok  but this is to big for boat so put in a 12v 4amp motor runs for about 2 minutes then stops two seconds later ok  whats wrong  merry christmas regiment

[Stavros]

Ok whats the specification of the motor and esc,it sounds as if the motor is to powerful for the esc and it is shutting down



Stavros

[regiment]

hi  stravros thanks for reply it is a 25 amp esc and a 360 ? from howels models  about £3 i think  regiment

[Sandy Calder]

Your problems are probably not related to the motor.They sound like the familiar stuff where you are not operating the esc in the optimal way.The esc might not be a proper marine esc despite the name.

Switching on and off in two second intervals is probably down to a bec chip overheating.
That should sort itself with a 7.2 or 8.4 pack or by using a dedicated receiver pack.
Does the esc have an on/off switch or do instructions show a 2-battery arrangement?

A hyperlink to the esc or access to the instructions would let anyone quickly spot the other problem.There are quite a few possibilities there.
Connecing a bulb and voltage measurement might show it is only partial reverse.

Regards
Sandy Calder

[Weeds]

have a 6/12volt motor a seahunter esc on 6 volt 4amp and  the motor shudders in reverse ok forward put a 12v 12 amp in ok  but this is to big for boat so put in a 12v 4amp motor runs for about 2 minutes then stops two seconds later ok  whats wrong  merry christmas regiment

Problem = BATTERY not charged or won't take a charge

[Sandy Calder]

One of these?
http://www.ripmax.com/11index.asp?category=060-050-120&ItemsPerPage=20&selectedtab=060

[regiment]

thanks to all who replyed to my problem  my mate found that it was a broken wire and it would come loose under full load  thank goodness for brainy mates  happy new year to you all regiment