ElectricMotorcycleForum.com
General Category => General Discussion => Topic started by: Richard230 on March 24, 2025, 05:26:33 AM
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Maybe it is just me, but this scooter doesn't sound like a very good idea. Why would anyone even build a small-wheel stand-on scooter that can go as fast as 69 mph, much less market in the U.S.? That is just crazy. :o At least it comes with an onboard fire extinguisher. Probably a good idea. They also should include a first aid kit, too. ::)
https://haoqiebike.com/products/mars-11-gtr-electric-scooter
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The onboard fire extinguisher will burn to the ground with it.
First aid kit, at that speed, you might just have the thing dial 911 and ask for a mop to slorp up the mess you left.
How hard are those things to flip, if you hit a crease in the pavement or something like, steering, jacknife it?
It has brakes but how fast can you stop, there's nothing really holding YOU to the thing, so even if IT may stop fairly fast, YOU will keep going, or hold onto the handle flip it and keep going in a somersault contest.
That'd be a neat toy for the track though, after hours, taking laps or zipping around from tent to tent.
Aaron
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When I was just a kid in 2021, I was riding a friend's Kaabo Mantis which has a 1000W front motor and 1000W rear motor. I was going variously 30-40 MPH wearing gym shorts and a tank top. And fortunately, a helmet and gloves, because I flew over the handlebars and I still don't know why. I didn't hit anything but I think I loosened grip on the bars and they instantly spun 180. I was changing dressings for a month before I crashed on my bicycle and had to continue changing dressings for another month. Lately I've started commuting on my single-motor 500W scooter in San Francisco. I crashed twice in the first week, once due to falling into a hole on the dark, and once side-swiping one of those dangerous bike lane curbs in the dark and rain. But I got barely a scratch at 15 MPH with long pants and a jacket. I will say, it's a lot of fun, you all should try it sometime!
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You won't see me dead on one! Or rather you probably would see me dead, lying about 30ft in front of it...
ATGATT btw.
Cas :)
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They do sound fun curt but yah you can get hurt real fast. Id fully recommend whatever gear you can wear to protect yourself. Road rash is not fun no matter how you end up with it and if having long sleeves and jeans on help prevent it then more power to them. Gloves and helmet too. Especially somewhere like ShitFrancisco where you never know what you are going to land in!
So, that thing had 2 motors? wow, that's insane, how did they keep them synched so one wasn't over driving the other, those mantis motors are no joke, they used to sell those up to 10 hp for various craft projects and those things are just stupid torque. Had a friend make a go cart out of one, well this go cart was little more than basically a board with a few wheels, a seat and a battery box. Brakes was a piece of wood dragging on the rear wheel. He had this stupid thing going like 65 mph down the road, im like I'll pass, you can have the fun, ill stay alive thank you.
Aaron
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The biggest problem with stand-up scooters is that they inspire a false sense of stability, but they get close to the limit without much feedback to the rider. If you don’t know better from riding bicycles and motorcycles, you think you’ve got it all under control and don’t realize that any bump or quick maneuver during a turn might skid the tire. If you do hit something or lock up the wheel hard enough, your body is flung forward, trapping your chest against the stem, which then flips the scooter forward, catapulting your face toward the ground with your nose and teeth as the first point of impact. It’s called “pancaking,” and it’s exactly what it sounds like. I actually got pretty good at riding those things when I worked at Scoot, but I can’t say I ever liked them, and you definitely wouldn’t catch me going over 20 or 25 MPH on one.
Onewheels and e-skateboards are even worse. I once saw somebody in SF take a header from the top of a 2-block hill on a Onewheel and do somersaults all the way down. Maybe it was you, Curt ;) But hey, to each their own. A lot of people have opinions about the danger of my motorcycle riding, so I try not to judge.
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During my stay in San Francisco because my partner is in hospital for a few months, I brought my Zero 8 e-scooter and use it to commute back and forth about 2 miles each way. It's 6yo and has over 3000 miles. It originally went 25 miles on a charge on its 13Ah 13s4p Samsung battery, but now struggles to make 10 unless I keep it slow. It's really hilly around here and that eats battery.
Today I got out a little and did a 10 mile loop up to Twin Peaks. To conserve power, I walked up anything more than a ~10% grade, which meant a lot of walking. And went for a hike on the top. I was nervous to hit 25 mph on a couple downhills. It has regen that jerks quite hard when the brake is barely applied.
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that's one thing I wish all of them would get figured out is regen. If you have it set high and you engage it, it slams right on, on a bike this is not exactly good, on a scooter or skate board type thingie, it could be enough to unbalance you enough for a wreck. They really need to have regen ease in when it activates not just slam and there it is.
Aaron
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that's one thing I wish all of them would get figured out is regen. If you have it set high and you engage it, it slams right on, on a bike this is not exactly good, on a scooter or skate board type thingie, it could be enough to unbalance you enough for a wreck. They really need to have regen ease in when it activates not just slam and there it is.
Yes, it's crash risk on a kick scooter, coming down a steep hill, when you gradually pull the brake but get suddenly thrown forward. The Bolt EV was one of the first to have totally seamless regen integration. The 2016 FX has that terrible, jerky integration. Did Zero make it better in Gen 3 or is it a Sevcon problem (like only having a binary on/off control pin)?
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Gen3 doesn't really do anything better - no brake pressure sensors as far as I can tell. I lave mine set at its out-of-the-box settings which feels like "4-cylinder-high-gear" regen, ie. pretty tame, and it's just fine like that. You can if you're really gentle feather the very last 1 degree of throttle which modulates the regen just a tiny bit but the sensitivity is too high to be properly intuitive.
Cas :)
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My Gen 2 2018 Zero doesn't have an abrupt regen activation. While it does come on all at once, you don't really fell the affect much. I have my regen adjusted to the highest level and it doesn't have much of an impact when slowing down. Sort of like closing the throttle in 3rd or 4th gear on an ICE bike.