Boat Motor ratings

[VillanRacer]

can anyone relate amp draw (or similar boat motor ratings) to the # of turns in car motors? I'm asking this becuause at http://www.hobby-lobby.com/boatcont.htm they talk about the "navy" speed control being able to handle 60 amps, what is this in terms of car motors?

[CChase86]

I know, I know, its really hard to find out this information. And the current ESC's can handle all relates to the number of cells.

For example, the BXL-1 will handle a consistent 75 amp current draw with up to 7 cells. However, handling 75 amps with 12-14 cells is very difficult, and a speed control that can handle 75 amps with 12-14 cells is the equivalent of a 6 cell ESC running up to 150 amps.

[captainkirk]

It all comes down too

V = I * R

V being the voltage, I being the current, and R being the resistance.

If R remains constant ( motor, wireing, etc) then As the voltage increases ( number of cells) then the current that the ESC can handle will decrease.

Hope this helps.

Kirk

[Oldboy]

My experience with amp draw, my 2 cent's of advice,,, I have a Bandit that I put a 17turn double monsters of touring motor in, about 30k rpm,,, and a futaba 210 esc with a 35amp fuse (designed for 18turn motors),,, the Bandit was faster then ever, but regularly would blow out the fuse, with the slightest of stress on it,,, figuring the motor was too radical, for the esc, I picked up & installed a 19turn Chameleon Pro, about 35k rpm, the Bandit was even faster, but it still contnued to blow the fuse!,,, though not as frequently!,,, finally I gave it up, & got a tekin rebel esc, and because of the low resistance, the Bandit got faster, and I have no more problems!,,, by the way, both of these motors are fast & easy on batteries,,, I also have a Rustler with another 19turn Chameleon & a Traxxas XL-1 esc, (rated for 17turns & up) I never had a problem with this esc shutting down, but as I put the same motors in to try, the esc has become more sluggish!,,, it must be feeling the strain,,, next is an esc upgrade for the Rustler,,, hope this helps u get an idea of amp draw,,,

[CChase86]

Just a notice: The Villain doesn't come with an XL-1 speed control, it comes with a BXL-1. There is a critical difference in the amount of motor it can take.