I think it really comes down to the fact that these single wheelers don't support the operator without power. You can stand on skateboard, slow down, and come to a complete halt and it's still working as intended. On a bike you will eventually topple from one side or the other, but the way a bikes works means the rider is supported in a natural position for a long time.
When the one-wheeler loses power it just nosedives, the front hits the ground and they halt immediately.
I wonder if they could save some of the danger by placing small, unpowered wheels in the front and back so when they dip they can at least keep moving.
This - the product has horrible human factors engineering in the low power scenario:
The rider will always be ahead of his/her center gravity when the board starts decelerating unexpectedly, and it's irrelevant whether it's the front digging in, or the thing just decelerating when approaching low battery.
Even on my longboard I really brace myself when letting off the throttle at speed. The regenerative brakes provide a jolt. Also it’s possible to accidentally hit the brake which would likely be a wipe out. It could be because I’m heavier now than my younger days. Forward momentum is a bitch on these speeds.
The small wheels on the front and back are an add-on, called fangs (https://land-surf.com/products/fangs%e2%84%a2-2-1). I’ve had them on my Onewheel for years and I’m not sure they’ve ever actually saved me on a nosedive. The front of the board comes down with a lot of force very quickly and even if the little wheels do keep the board rolling, the rider has been rapidly shoved forward and will likely go over the front anyway.
Unfortunately electric longboards have a pretty common failure mode where they instantly and suddenly brake with full force. I've had it happen once (although i was going slow enough not to bail) and seen it many times.
Isn't the question about one wheel(skateboard with gokart wheel) vs electric unicycle (single bigger wheel between the legs closer driving position to real unicycle)? Not about one wheel vs other more typical vehicles. Both have one wheel but they are two completely different things.
When the one-wheeler loses power it just nosedives, the front hits the ground and they halt immediately.
I wonder if they could save some of the danger by placing small, unpowered wheels in the front and back so when they dip they can at least keep moving.
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