Yes it is possible. One way to do it is to purchase this dual controller. Single PAS and throttle input. Dual motor outputs. Needs a new KT display. Wow, Look how big it is. Every year, as winter sets in, I daydream about buying it.
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I've done this before on a 26" fat tire bike. Old fashioned. Two controllers. Two batteries. Two throttles. I used only throttle to run the front wheel. I found it rideable on dry ground, but a bit unwieldy. Basically use PAS for the rear and throttle for the front, but the traction in snow flipped me over a few times. I did one long ride like Howard Hughes did for the Spruce Goose. Then I came home soaking wet from all the falling down, took it apart when summer came and went one motor again. The front, by the way, was only a 36V 500W motor that came off a rear wheel bike and had the 135mm axle spacing used on a fat tire bike. All I wanted was traction,
A few years later, I decided to try it again, only with my Ecotric 20" fat tire bike and only for dry pavement. I had a hard time finding 20"x60 rims. I wound up with yellow ones, 20x100'. Huge. I spoked up new motors for both. Here they are ready to go, using the original solid fork. Disaster came next. The new rear wheel axle was too wide for the Ecotric. I guess I could have just done the front drive, but my heart was no longer in it because of different wheel colors.
I would have used two controllers, but one throttle and only one display. The front controller could run w/o a display, but turn on with the rear. The front and rear controllers would have separate batteries and a common ground. I was going to put a Y connector off the throttle and run only the signal and ground to the front controller. Tested on bench, it worked. I had the option of a second PAS sensor frunning to the front controller too.
I would have used only a 17A controller in front. They're small. My Ecotric 20" is 36V. I had plenty of small 36V packs that would fit somewhere on the bike.
Other Ecotric owners report putting different fat tire motors into the 20" frame. I think mine must have been squashed somehow. It should be 175mm wide back there, but is only 175mm. I'm loath to spread an alloy frame that much,.
Ha. Still have all three motors in the garage.
