> On Aug 23, 2019, at 9:47 AM, Lawrence Rhodes via EV <[email protected]> wrote:
>
> I was driving home with ten sacks of 60 pound concrete when I saw the
> smallest carts I have ever seen in the parking lot going really fast...so I
> investigate. 4 motors each 8kw an inch and a half or so in diameter x 4
> inches long. All running toothed belts to the .....skateboard wheels. 0-60 in
> two seconds. Having four motors it spreads out the thermal. No trouble with
> overheating. The guys were "having fun" and are into tech as a job. This was
> just their "fun". Looked like a mature product. They just had small battery
> packs on the cart. Lithium. 18650's. That is why I enquired. They said they
> had a "China" supplier. Their words. Hundreds in parts...not much but the
> batteries cost. Pushing one guy he said...maybe we will do a gofund me. They
> really have something.
Yep, there are quite a few good suppliers of pre-built electric scooter and
electric skateboard hub-motors. And they’ll sell you appropriate controllers.
They’re inexpensive, and many of them will happily sell sample-quantities to
hobbyists.
-Bill
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