I'm running 36 SE/CALB 100ah cells with an AC HPEVS motor and Curtis 1238
550amp controller in my 2500lb Fiero. The motor spins to 6500RPM and I can
hit 67mph in second, I do most of my driving in second, which is about a 7:1
total drive ratio. I think your low end acceleration will be pretty weak at
4.44 gearing and you'll be drawing a lot of current and heating the motor at
lower speeds.
550amp controller in my 2500lb Fiero. The motor spins to 6500RPM and I can
hit 67mph in second, I do most of my driving in second, which is about a 7:1
total drive ratio. I think your low end acceleration will be pretty weak at
4.44 gearing and you'll be drawing a lot of current and heating the motor at
lower speeds.
Mark Grasser wrote:
>
> I know there are a few Fieros on the list. Hoping for some input.
> I am building mine with LiFePO4s at 154 volts and using a Jim Husted 8
> inch
> motor. I am wondering what is the thought to what I should expect for
> performance. At this point it will be direct drive using a 4:44 gear. This
> will get me almost 70 mph top speed. I figure if I don't like it I will up
> the differential to a Ford 8.8inch and get the ratio up to 5.13:1 but
> will
> loose top end.
> Almost forgot. I figure somewhere around 2,600 pounds
>
> Comments please,
>
> Mark Grasser
>
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