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  1. S

    200 kW DC motor for large EV conversion (Pennsylvania)

    This motor is originally from an EPC Corporation conversion kit. I’m not entirely sure of its origin since it does not have a nameplate but I have heard it may be a rewound Warp 11. The specs I was given with it were 200v max, 1000A max; I’ve only tested it on 180v where it worked fine. It has...
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    Dynamically reconfiguring pack voltage for RV

    The largest power draw I have is a 10 kW induction forge. There are a few 48V inverters which will supply that which is one of the reasons I'm going with 50V. There are additionally a 6kW inverter and a 1kW inverter for running the home circuits. I hadn't thought of putting 12V converters in...
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    Dynamically reconfiguring pack voltage for RV

    Not practical how? I estimate that with that pack it should be capable of a good 40-50 miles per charge. I know they need to be at a different voltage, I'm just curious as to whether it's feasible to tap that voltage off of the same battery in segments instead.
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    Dynamically reconfiguring pack voltage for RV

    I have a mobile home (a schoolbus conversion) which is designed to run off-grid and handle large power draws for a metalworking shop in the back. It's got 150 kWh of LiFePO4 batteries for this purpose, so it seems like a good candidate for an EV conversion. However, the pack voltage is 50v (set...
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    Towing a directly powered EV conversion

    Thank you! The towing vehicle has a 60mph governor which is slower than the EV can reach, so that shouldn't be an issue. I'll keep an eye on wear, then.
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    Towing a directly powered EV conversion

    I've been looking at towing an EV conversion I've done behind an RV. Two of the ways of doing this (flat towing or a tow dolly) keep the rear wheels on the ground, and therefore require a transmission that is able to operate while the engine isn't running. In my case, the motor (series-wound...
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    Connecting EV motor to splined shaft

    I am in the process of converting a Ford F150 to electric. I am using a motor from a kit (from EPC corporation) which comes with a splined shaft; it is listed as a General Electric 1-5/8" shaft. I measured it as 1-5/8", 25-spline. The driveshaft, on the other hand, uses what I think is 1-3/16"...
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