Warning to use Chinese NoName Units

[Geowurm]

1 hour ago, SlowMo said:

My electric scooter suddenly stopped working at around 20% battery life due to bms shutdown. It happened when I was driving it upwards from the underground tunnel ramp going to the park. My son was riding with me and we had a combined weight of around 100 kgs. Nothing happened to us since it was a 2 wheeled scooter. It is not the same when riding the EUC which just loses its ability to balance then freewheels and dislodges the rider resulting in a face plant or worse.

Luky you!

[Geowurm]

ere is the rest of the story.

1: I will probably keep my leg. The infection is going back. 

2: The chances of walking again are good.

3: I dream of riding again :-)

Thanks for all your best wishes. The group was very helpful to come thru a difficult time. These pictures are not here to scare you. I post them to remind everybody to drive careful, wear protection gear all times you are riding, and stay within the limits of your driving skills and the limits of your vehicle.

 

Edited December 13, 2015 by Geowurm
IT safety

[Planetpapi]

If this wasn't a user error, I would have sent these pictures to your wheel manufacturer as a reminder to make reliable wheels. Rest well. 

[Geowurm]

2 hours ago, Planetpapi said:

If this wasn't a user error, I would have sent these pictures to your wheel manufacturer as a reminder to make reliable wheels. Rest well. 

I have no clue who the manufacturer actually is. In the Manual is no manufacturer noticed. In the eBay add neither. There it states VEVOR. But if you check the VEVOR homepage I was unable to find EUs.

Edited December 10, 2015 by Geowurm
grammar correction

[Geowurm]

Update: 11 days after accident

Antibiotics are kicking in. Infection is much better. I am still on plenty of narcotics. I have no clue when I will get out of the hospital, but hope to celebrate Christmas at home.

EUs with dumb BMS shutdowns really make me angry!

I really miss the feeling of hooving on my wheel. Can’t wait to walk again to find some "all around the leg" protection and ride my wheel again.

Edited December 13, 2015 by Geowurm
grammar correction

[SlowMo]

Hope you heal faster.

[Geowurm]

Just now, SlowMo said:

Hope you heal faster.

I was laughing about guys that order new motorcycles right out of the hospital.

Now I am in a Hospital because of a riding accident, and the major time my thoughts are about riding again. I have the Gotway MSuper waiting for me, so there is not much to order "from the hospital bed" after that, except - maybe a "Gorilla Wheel", which I am really interested in :-)

[SlowMo]

You could wear motorcycle shin pads like @vee73 

[Jurgen]

@GeowurmSorry to hear about your accident, I hope you'll continue to heal well and that you'll be riding again in no time.

On the EUC manufacturers: I have the impression that it's all still relatively experimental, and we are the guinea pigs riding whatever they produce.

There seems to be no certification of devices, virtually no quality control of the product, and probably anybody can become a manufacaturer, anybody can become an EUC factor worker, bolting parts together of varying quality of different suppliers. I would not be surprised if this even goes for the more reputed brands, at least to some extent.

I've given the Uniwheel some thought: maybe in the light of the aforementioned and Geoworm's accident we should reconsider the initial reservation about the high(er) price.

Paying an extra 300-400USD extra for a good design, with CE certification, Q control, and purpose designed electronics, and (relative) peace of mind about shutdowns and BMS cut-outs, is maybe not the worst that can happen to you....

 

[Geowurm]

3 hours ago, Jurgen said:

@GeowurmSorry to hear about your accident, I hope you'll continue to heal well and that you'll be riding again in no time.

On the EUC manufacturers: I have the impression that it's all still relatively experimental, and we are the guinea pigs riding whatever they produce.

There seems to be no certification of devices, virtually no quality control of the product, and probably anybody can become a manufacaturer, anybody can become an EUC factor worker, bolting parts together of varying quality of different suppliers. I would not be surprised if this even goes for the more reputed brands, at least to some extent.

I've given the Uniwheel some thought: maybe in the light of the aforementioned and Geoworm's accident we should reconsider the initial reservation about the high(er) price.

Paying an extra 300-400USD extra for a good design, with CE certification, Q control, and purpose designed electronics, and (relative) peace of mind about shutdowns and BMS cut-outs, is maybe not the worst that can happen to you....

 

@Jurgen The guinea pig factor is the impression I got from @Busch s reply from "Posted 7 December" here in this thread. No regulation at all leads to a really dangerous BMS shutdown problem in thousands of X3 replicas. There are parts build in that are not designed to be used in EUs. With them build in these wheels actively try to kill the riders, because of a stupid design that was never meant to be used in an EU. Cut of the BMS shut down or even better let the Motherboard get the information that there is a BMS problem, and let the driver know, instead of just shut down and buck the rider off.

Even the newer Airwheels got the same BMS shut down problem.

Like @KaleOsaurusRext in the "Brands with / without unexpected shutdowns (new buyers look here)" stated:

This is the thread to read if you want to buy a uni that "doesn't actively try to kill you" (@esaj).

For some manufacturers we are a mixture between a cow to milk them and a guinea pig to beta test their equipment. I guess the manufacturers of the X3 replicas know exactly about the danger an X3 rider is into, if he rides up or down ramps. But to do something, or even print a warning on the EU or in the manual will reduce their profit, so they don't do it. I never ever expected my X3 replica to shut down without any warning to throw me off. 

 

Edited December 13, 2015 by Geowurm
grammar correction

[BecauseFun]

On 12/10/2015 at 10:20 AM, Geowurm said:

ere is the rest of the story.

1: I will probably keep my leg. The infection is going back. 

2: The chances of walking again are good.

3: I dream of riding again :-)

Thanks for all your best wishes. The group was very helpful to come thru a difficult time. These pictures are not here to scare you. I post them to remind everybody to drive careful, wear protection gear all times you are riding, and stay within the limits of your driving skills and the limits of your vehicle.

 

First off, please accept my belated condolences - but that is fantastic updated news on how your leg is doing now, and overall I wish you a speedy and full recovery so you can be back up and riding soon.

As scary as your injury was, I think it's also scary to think it could have happened to any of us. In thinking of preventing your kind of accident from happening again, you just mentioned wearing leg protection. Given that EUC riding is such a relatively new activity, I think we are learning each and every day how to do it best, and the things we do today will probably not too look smart to those riding years down the road. In baseball it was decades before catchers started using masks, for example.

So my point is, do you think wearing a guard like the one pictured at the back of the ankle might have prevented the broken bones? 

I don't have enough hours riding myself yet to comment whether or not having a footpeg hit the back of the leg seems like a risk worth protecting against. I've done a fair amount of reading on the forum though and I know it's definitely not the only time it's happened.

What the heck, I think I only have to see a story like yours once to know it can't hurt to order another pair of shin guards on eBay for four bucks shipped. I got the first pair to protect the inside of my legs, and when the second pair gets here, I'm going to try to get in the habit of using them like in the picture regularly. It's an easy decision for me to make because I'm a beginner and I will be wearing them under long pants for the next few months here in the Northeast.

In the meantime, if I ever do have my ninebot slam into the back of my leg hard and manage to walk away from it, just be prepared to see a word of thanks from me for taking the time to share your story. 

Edited December 13, 2015 by BecauseFun

[Micmic]

I do use a shin guard but to protect it from bruising!  I am getting better now but I got all these bruising from first week of training 

[Colestien]

@Jurgen The guinea pig factor is the impression I got from @Busch s reply from "Posted 7 December" here in this thread.

  What makes that statement funny to me is the fact there are several people here,"myself included" Who wouldn't mind being a Wheel guinea pig.   Test Pilot sound better.   The sad part of it.... No vehicle, equipment or even a toy should not be put on the open market with out testing first.   It was noted here months ago that so many sellers could not answer basic questions about a unit.  Some of it had to do the the seller not speaking the buyer's language, but mostly they didn't have the info to share.

Edited December 14, 2015 by Colestien

[Geowurm]

3 hours ago, Jurgen said:

2 hours ago, BecauseFun said:

First off, please accept my belated condolences - but that is fantastic updated news on how your leg is doing now, and overall I wish you a speedy and full recovery so you can be back up and riding soon.

As scary as your injury was, I think it's also scary to think it could have happened to any of us. In thinking of preventing your kind of accident from happening again, you just mentioned wearing leg protection. Given that EUC riding is such a relatively new activity, I think we are learning each and every day how to do it best, and the things we do today will probably not too look smart to those riding years down the road. In baseball it was decades before catchers started using masks, for example.

So my point is, do you think wearing a guard like the one pictured at the back of the ankle might have prevented the broken bones? 

I don't have enough hours riding myself yet to comment whether or not having a footpeg hit the back of the leg seems like a risk worth protecting against. I've done a fair amount of reading on the forum though and I know it's definitely not the only time it's happened.

What the heck, I think I only have to see a story like yours once to know it can't hurt to order another pair of shin guards on eBay for four bucks shipped. I got the first pair to protect the inside of my legs, and when the second pair gets here, I'm going to try to get in the habit of using them like in the picture regularly. It's an easy decision for me to make because I'm a beginner and I will be wearing them under long pants for the next few months here in the Northeast.

In the meantime, if I ever do have my ninebot slam into the back of my leg hard and manage to walk away from it, just be prepared to see a word of thanks from me for taking the time to share your story. 

@GeowurmSorry to hear about your accident, I hope you'll continue to heal well and that you'll be riding again in no time.

On the EUC manufacturers: I have the impression that it's all still relatively experimental, and we are the guinea pigs riding whatever they produce.

There seems to be no certification of devices, virtually no quality control of the product, and probably anybody can become a manufacaturer, anybody can become an EUC factor worker, bolting parts together of varying quality of different suppliers. I would not be surprised if this even goes for the more reputed brands, at least to some extent.

I've given the Uniwheel some thought: maybe in the light of the aforementioned and Geoworm's accident we should reconsider the initial reservation about the high(er) price.

Paying an extra 300-400USD extra for a good design, with CE certification, Q control, and purpose designed electronics, and (relative) peace of mind about shutdowns and BMS cut-outs, is maybe not the worst that can happen to you....

 

@BecauseFun:

With this type of protection I'd probably had rub my knees, pick up the wheel; jump back on - without broken bones at all.

It probably had prevented my accident complete!

But I had only knee and elbow pads and my helmet. My lower legs where complete unprotected. I was sure that the protection I had was proper, because I never ever thought that a pedal will cut through my leg like that. If you ride one of those “BMS shut down" models, without correct shunted the Mosfets, better be careful and wear the complete protection set. More information’s here:

http://forum.electricunicycle.org/topic/459-electric-unicycles-bms-problem-and-solution/?page=1

Edited December 13, 2015 by Geowurm
grammar correction

[BecauseFun]

Pair of inexpensive shin pads on eBay, $3.81 total shipped, US

I agree that riding questionable models seems to pretty much necessitate trying below calf protection (in my mind anyway). The thing is, seeing how much damage a Euc can do to that area of the leg, and to consider that for less than the price of one day's lunch and a little bit of inconvenience, you can likely avoid one of the worst Euc specific injuries possible?  I think no matter what wheel you ride, it looks like the decision to wear below calf guards amounts to a really inexpensive insurance policy well worth taking out almost all of the time.

[checho]

Sorry to hear about your accident.

Overspending can be prevented with a good unicycle that has proper safety features,  and most likely you will get beeps warning you.

Overaceleration, can only be prevented in addition for the unicycle of having safety features, a powerful motor with a very large battery pack, the combination of large motor and large battery means that the unicycle will not be cheap.

Any cheap unicycle will be dangerous if you treat it as a high end unicycle.

With a cheap unicycle your max speed should be about 10km/h and accelerate very slowly, then it will be safe, and never used it with less than 50% charged due to the large voltage sag.

[SlowMo]

I think my Gotway MCM2s is defective because I never yet heard any warning beeps after more than 200 kilometers ride. 

Edited December 14, 2015 by SlowMo

[Geowurm]

29 minutes ago, SlowMo said:

I think my Gotway MCM2s is defective because I never yet heard any warning beeps after more than 200 kilometers ride. 

Because your Gotway is preatty strong you really need to lean to bring it to the speed-borders.

Have you tried the app to set the warnings? 

The easiest way to find out: just lift it of the ground. The wheel will start to rotate like crazy and sooner or later there will be a beeping speed warning. Usual Gotways start to lift the pedals to give you the first warning. The only way to test this: level ground, full protective gear and slowly and carefully lean forward to check out the speed warnings.

[SlowMo]

I'm just joking.  I never go above 18km/h. 

[Geowurm]

Dear EU group,

After now 4 weeks in the hospital I am "home" again, but never ever expected it to be this hard. Everything turns out to be more complicated to do, on just one leg or in a wheelchair.

I hope that I will be sooner or later back up on my both legs. I need to find ways to handle my now about 1 to 1.5 inch shorter right leg that was caused by the accident.

A real steepening incentive is my Gotway MSuper, waiting for me :-)

My wish for 2016 is a "safe" BMS handling under the motherboard management, so drivers never ever get an unexpected "BMS shut down" without any warning.

[SlowMo]

I'm glad to hear you are recovering well. Using elevator shoes on the broken leg would assist you when you start to walk later.  

[Geowurm]

8 minutes ago, SlowMo said:

I'm glad to hear you are recovering well. Using elevator shoes on the broken leg would assist you when you start to walk later.  

Will those shoes conflict with riding my EU?? Someone tried it before?

I know you can ride a EU with only one leg, but to me this has something like a circus trick. I can ride fore- and backwards, but never was able to ride with only on one leg because it was very painful on the inside of my leg where the unit leans against my leg. So I gave up on it.

[SlowMo]

There are shin pads which can reduce the pressure on the leg. For the elevator shoes, I stopped using it long time ago.You might try just a bit of elevation to reduce the pressure on your hips while walking.

[Jurgen]

51 minutes ago, Geowurm said:

Dear EU group,

After now 4 weeks in the hospital I am "home" again, but never ever expected it to be this hard. Everything turns out to be more complicated to do, on just one leg or in a wheelchair.

I hope that I will be sooner or later back up on my both legs. I need to find ways to handle my now about 1 to 1.5 inch shorter right leg that was caused by the accident.

A real steepening incentive is my Gotway MSuper, waiting for me :-)

My wish for 2016 is a "safe" BMS handling under the motherboard management, so drivers never ever get an unexpected "BMS shut down" without any warning.

Glad to hear your are back. There is nothing a man cannot accomplish when he has the right attitude.

You'll be on your new wheel before you can run again.

Best wishes for 2016;

[Shoe73]

9 hours ago, Geowurm said:

I need to find ways to handle my now about 1 to 1.5 inch shorter right leg that was caused by the accident.

My dad has one leg that is shorter due to the way they set the bones when he broke his leg in a bicycle accident when he was young. He didn't get special shoes and continued to live an active life but it caused some twisting pressure on his spine, which eventually led to a ruptured disk and constant pain. He has found ways to manage and now makes his own shoes in order to get the lift perfect.  Anyway, I share this with you because he says the problems he has with his life now are because he didn't want to wear the special uneven shoes to compensate for the short leg when he was younger. 

It's really terrible what happened to you there.  My main worry about the power cutting out was falling on my face, I'm surprised that the foot peg could break your leg like that.  How did it happen exactly, you fell forward, and the wheel landed on your leg I guess? I saw references to X-rays but I don't see the in any of your posts, did you take them down?  Anyway I wish you a fast recovery.

I have a no-name EU that I bought on eBay for US $170 shipped. I've been learning on it with my kids and we have been very happy with it so far. I try to stop riding before I get down to 1 out of 4 battery LEDs. Only taken it a for a mile or so at a time, at max speed 7-8 mph I get the tilt-back, and once it beeped at me and I slowed down but it's never given us any trouble. Usually we use helmets but no padding.  But now I'm thinking I should upgrade to get a more reliable wheel. I realize it can happen to any wheel but I'm guessing the odds are better on an expensive one. Time to do some research...