Re: [electricboats] 2:1 reduction gear

Thunderstruck has a pre-built reduction that might work for you.

https://www.thunderstruck-ev.com/custom-ac-gear-reduction.html

On 6/2/2020 11:47 PM, Matthew Geier wrote:
> I'm looking into re-battery and a general re-jigging of my system.
>
> I've been running a 36v system but never running the controller over
> 50% throttle. Now that my T145s have shown signs of needing to be
> replaced after 11years, i'm thinking of going LiFePO ₄ on 48v and
> putting a 2:1 reduction on my Perm 132 perm mag motor. This would
> enable the motor to run faster at lower amps (cooler) and also have
> the motor running most of the time in the 'forward' direction. At my
> power output and voltage that the motor is running in reverse most of
> the time isn't actually a problem, but the brushes may last just that
> little bit longer with the motor running the 'correct' way. :-)
>
> Any one have any points to a high efficiency gearbox of approx 2:1
> ratio ? Most of the examples I've found so far also include clutches,
> a feature not needed here.
>
> About 2.4-3kw moves my boat at hull speed, so I don't need something
> of high power capability.
>
>
>
>
>
>


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