I can’t test it because there is no dealer in Czech republic.
Damn, would be good to get some impressions. A couple of other things with that design, is the seat height about right? No problem if so but ideally it needs to be as low as possible to get the center of gravity as near to the ground as possible. It could also do with a flat plate covering the whole underside with chamfers leading in all around. Ideally that would be fairly solid, maybe 6mm aluminium because the ideal is to have the batteries laid flat right above it with a space in the middle of them for the seat base.
That might sound like overkill for the kind of conditions you might be aiming for but it allows for the unexpected, like a bit of a slip sideways that leaves you high centered on a rock, not getting that rock caught on a chassis rail is a big plus and not having a high c of g if it's left you steeply tipped over is another!
I do a lot of off road driving and that kind of thing happens a lot, worth planning for it from the start imo. I've always wanted to build an electric off roader, kind of surprised they're not already taking over with things like trials tbh. Power requirements are ideal for that kind of steady and mostly technical driving, it's always surprising how little fuel is used after a whole days driving with infernal combustion power.
Edit: I hadn't noticed it has a plate underneath it, far too light though, more often than not they tend to get hit quite hard and it should definitely wrap around the frame tubes at the side, it would tend to dig into things like fallen branches and get peeled back.
What I'm most confused about with that thing though, why on earth didn't they use hub motors on the back too?? Those motors mounted up high are still unsprung mass but with a C of G way up high :/ I'm guessing they wanted more power on the rear wheels than the front but bigger hubs would've been the way to go.
Another edit: Something with designing from the ground up with electric, it's only natural to start with the conventional bits, the frame or engine but imho electric has to be designed with the battery first and foremost, both from the drive train aspect and the structural aspect. No good sticking a 10kw hub motor on a Raleigh Chopper and then having to cut up most of the frame to get enough room for the huge battery needed to power it with a good lifespan and the same would probably apply to frame design, the battery will be the largest single component and it needs a sturdy housing so it probably makes sense to use the battery as a structural component. That's what car manufacturers seem to be doing with floor pans these days and most of the better mountain bike/motorcycle crossovers seem to be the same, a big sturdy box for a frame with the batteries inside.
outriderusa.com
I like to look at pictures.
www.exotek.no
