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Questions about how an EUC works at basic level


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Hey!

If you lean forward on a floor, you can tip over. But on an EUC you can lean forward without this issue because the EUC adds a counterbalance with its speed? So you can "fall forward" without falling as you would if you did exactly the same on a floor? So you never have to worry about tipping over forwardly? (Ofc you can't just break the speed limit, and when the battery is low you have to be careful, etc., yeah)

I'm worried about knee issues, but I guess you can ride in a way where you don't bend your knees too much ... But that wouldn't make you lose control? Can you actually ride in a way where your body is held totally straight and go max speed?!

I want to use it as a courier by the way

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Hi, welcome to the forum.

I can’t rec. riding straight legged. Some folks lean hard while accelerating, but it’s more of a balancing act over a front to back C.O.G. And a very delicate balancing act side to side. There’s a lengthy pinned thread here in the “learning to ride” section.

Best,

Edited by OldFartRides
Clarity/ grammar
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If you haven’t ridden it is hard to explain. When you say knee problems are you worried about muscle or bone. Keeping your knees straight is rough on the bones. Bending the knees works out the muscles. An older friend on mine has knee problems. Riding an EUC has improved his knees by building up muscles. Riding n EUC with straight knees can lead to crashes and usually not recommend. However you can get away with riding straight legged on the newer suspension wheels. They soak up the bumps. I use my S18 to get around a college campus. I am usually carrying quite a bit with me and it works great. After work I am more likely to ride my Sherman ( high speed, no suspension) 

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1 hour ago, Michael Viera said:

If you lean forward on a floor, you can tip over. But on an EUC you can lean forward without this issue because the EUC adds a counterbalance with its speed? ... So you never have to worry about tipping over forwardly?

You can lean forwards more than on a floor because an EUC will accelerate to balance you. Within reason, you don't have to worry about tipping over forward or backward if you don't exceed an EUC's ability to accelerate | decelerate in order to balance you. If you lean too much, called an overlean, then you will tip over and fall. 

Setting a current limit warning can be used to avoid overleaning forwards or cutout. I'm not sure what warning to set to avoid overleaning backwards.

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It's because afaik squatting with your knees going beyond your toes is bad. And yeah, I have bad knee bone.

But I guess it can't be compared at all because the direction of the force goes straight down when squatting, but on EUC it points toward the pedals or something ... It's all about understanding vectors and apparently I can't grasp it xd

Yeah I can definetely see the reason to not keep them that straight that you cannot absorb 

 

 

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So I ride 2 wheels, an 18xl with no power pads, and a Nikola AR+ with begode power pads. I always ride with my knees bent at least a little bit. On the 18xl I can accelerate all the way to 31mph without having to really squat down. Same with the Nik+, but I do need to squat down a little bit to go faster than 31mph. I wouldn't recommend perfectly straight, as any bump on the road would fling you off the wheel, but you can definitely ride without doing low squats.

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3 hours ago, Michael Viera said:

If you lean forward on a floor, you can tip over. But on an EUC you can lean forward without this issue because the EUC adds a counterbalance with its speed? So you can "fall forward" without falling as you would if you did exactly the same on a floor? So you never have to worry about tipping over forwardly? (Ofc you can't just break the speed limit, and when the battery is low you have to be careful, etc., yeah)

Yes, that's exactly how it works. A EUC always catches you when you are "falling".

Be aware that not only does the EUC catch you, it overshoots a bit, in order to "end the fall" and get you back to a neutral (balanced) position. Otherwise the self-balancing wouldn't work.

So you need to actively lean (actively "keep falling") if you want to keep accelerating or braking. The wheel tries to remove the lean (its tilt) after all. When you are going at a constant speed, you are in the neutral position (in balance), just standing there on the pedals, without any leaning.

3 hours ago, Michael Viera said:

I'm worried about knee issues, but I guess you can ride in a way where you don't bend your knees too much ... But that wouldn't make you lose control? Can you actually ride in a way where your body is held totally straight and go max speed?!

Riding with your knees totally straight is never a good idea. One surprise bump and it might hurt. But I believe you would naturally bend the knees a little anyways. Just like when you are standing on the ground, that is enough. You don't have to squat or anything on a EUC.

How you lean doesn't matter to the wheel, just that you lean. You can lean with or without bent knees, in any way your body allows.

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Just don’t lock your knees.

I was told by a … “government fitness trainer” that no one should EVER stand with knees locked. He said that it was not only bad for the knees it made a person unprepared for movement. Alway“Stand Ready!!”  Keep in mind that he was a fitness trainer not a doctor. 
 

He also said something about my mother but I don’t believe him. 

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6 minutes ago, RockyTop said:

Just don’t lock your knees.

I was told by a … “government fitness trainer” that no one should EVER stand with knees locked. He said that it was not only bad for the knees it made a person unprepared for movement. Alway“Stand Ready!!”  Keep in mind that he was a fitness trainer not a doctor. 
 

He also said something about my mother but I don’t believe him. 

I've also heard a few things about your mother on Xbox live, he might've been telling the truth

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5 hours ago, Michael Viera said:

Hey!

If you lean forward on a floor, you can tip over. But on an EUC you can lean forward without this issue because the EUC adds a counterbalance with its speed? So you can "fall forward" without falling as you would if you did exactly the same on a floor? So you never have to worry about tipping over forwardly? (Ofc you can't just break the speed limit, and when the battery is low you have to be careful, etc., yeah)

I'm worried about knee issues, but I guess you can ride in a way where you don't bend your knees too much ... But that wouldn't make you lose control? Can you actually ride in a way where your body is held totally straight and go max speed?!

I want to use it as a courier by the way

I've fallen off the front and more often right off the back of my euc's. Usually its when I go from a tiny mten on up to a big one. Its not so much the wheel is overpwered, its that I am anticipating it getting under me with less lean input, than it does. Last time I fell off the back of my mten, flat on my back, as I went to transition and said those dreaded words  "see, its easy"....  splat. The euc will try to catch you, but if you lean too much and with the wrong body position, things dont always work out as expected.

Euc's MUST make the thighs and knees stronger. I went snowboarding the other day (it had been 12 yrs!), and I came back with sore hips and nothing else. Aside from the stairs in my house, euc riding and paramotor flying in the summer, I don't do a whole lot else. I attribute the success at the slopes, to the slight conditioning an euc affords.

Edited by ShanesPlanet
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15 minutes ago, TantasStarke said:

I've also heard a few things about your mother on Xbox live, he might've been telling the truth

WOW really!! That’s amazing….. Good for her! 

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7 hours ago, meepmeepmayer said:

The wheel tries to remove the lean (its tilt) after all. When you are going at a constant speed, you are in the neutral position (in balance), just standing there on the pedals, without any leaning.

An EUC also senses the torque in the motor. This allows some EUCs like the Inmotion series to try to maintain speed on inclines or declines. The EUC recognizes it's having to exert forwards | backwards torque to maintain speed when encountering an incline | decline, and will auto-tilt forwards | backwards with no rider input. The torque sensing in addition to tilt sensing may also play a role in balance on a level surface.

The self-balancing is designed so that normally a rider can just focus on leaning forwards | backwards to accelerate | brake without having to think about pedal pressure inputs (pushing with toes or heels).

 

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