John Delia wrote:
> So, you are tacitly agreeing that a motor with brushes is a better bet?
> What is the likelihood that a brushless motor will fail? Thanks, John
>
If I was doing my boat again, I'd probably go brush-less, but it would
depend on the motor specs - I haven't looked to see if any other motor
has the right volts-rpm curve for my boat - since my current setup is
working, little need to.
Some people are worried about the 'complexity' of the brush-less motor
controler, but since nearly every one, brushed or brush-less is probably
runing a micro-processor controlled speed controler, this is probably a
moot point.
A brush-less motor in theory needs less maintenance - but I suspect in
my case the motor is going to rust before the brushes wear down enough
to need replacing.
In theory if you have a brushed DC motor and your controller fries out
on the water, you can 'hot wire' the motor to the batteries and get back
home. A brush-less motor absolutely NEEDS that controler to work.
However the AC (brush less) controllers have gotten cheap enough that if
you are that worried, buy a 2nd and carry a spare.
So pick the motor that best matches your boat and prop and work backwards.
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