Quote Originally Posted by martin54 View Post
What sort of size is the tank it's going into? Sorry don't know much about radio controlled models except some seem to be quite big. Just thinking that a 12v battery from one of those motorized cycles would probably do a good job. Friend of mine lent me 2 to power a small trolley & I was surprised how powerful they were for such a compact size battery.
Maybe if people are interested I should start a new thread I explain what I'm trying to do and get help with trying to it ? May help others in the future.