I typoed my previous response. I'm not making an ev. I am just thinking about some sort of electric assist for acceleration (think simplified hybrid retrofit). This means intermittent duty is probably fine. It also allows me to get away with a much smaller motor (depending on design and intent of use). However, if I don't know how much I can overload, I don't know how small I can go.
Anyway, I was just using that motor as an example because thats what I found browsing one day. It wasn't meant to be taken as "can I use this to move a vehicle", it was simply an example piece. I do see your point about the rpms and torque.
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