The ranks of would-be/could-be/wannabe electric vehicles includes several that have three wheels and plenty of two wheeled transports that are already actively cruising the highways on nothing but those crazy electrons. However one-wheeled EVs are, if not quite as rare as a unicorn, at least a lot less common than the multi-wheeled alternatives.
Still, one wheel is all you get with Ryno's self-balancing scooter. Instead of standing on a platform as you would when using a Segway, Ryno riders take a seat and ride perched above a wheel that stays upright even at low speed.

Does it work? Over at Engadget, Tim Stevens has gotten a chance to go mano a mono with Ryno's latest prototype. Unlike the first version of the Ryno, which was difficult to keep stable when not moving in a straight line, the latest iteration displayed more controllable behavior and was responsive to the hand throttle, steering, and brakes. With a current top speed of only 15 miles per hour, the Ryno is definitely not highway (or even school-zone) compatible, but the design and capabilities of the eye-catching vehicle are still getting tweaked. The intent is to produce something that works for security guards and others who may need to patrol an area for an extended period.

Ryno designer Chris Hoffman has lined up five buyers for hand-built versions of the Ryno at $25,000 each. Once the Ryno moves into production, plans include a $4,000 consumer version that will be faster, have a removable battery and be good for 18 miles on a charge.


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    • 1 Second Ago
  • 11 Comments
      Breconeer
      • 3 Years Ago
      The concept isn't new. A young guy called Ben Gulak came up with a similar machine, with a top speed of 25mph, reported in a UK newspaper 3 years ago. See http://www.dailymail.co.uk/news/article-562726/Hold-tight-The-worlds-unicycle-MOTORBIKE.html
      Andreas O Gatos
      • 3 Years Ago
      This thing cant replace actual motorbikes, it cant even replace scooters for one simple reason: it must require a much greater distance in order to stop. It needs to be a lot smaller in order to make sense. How about a bicycle wheel? Make it as small as possible and people can carry then in the trunk of their cars, or in the subway and use them for getting around town..
      fairfireman21
      • 3 Years Ago
      A Segway i2 can go 12.5 mph and up to 24 mile range. Brand new $5000, but safer. I would not waste my money on either of them. I will say this thing is neat looking.
      Spec
      • 3 Years Ago
      I think it would be cool in science fiction movies. Of course, they could just CGI them instead of actually building the silly things.
      paulwesterberg
      • 3 Years Ago
      This looks like a toy in comparison with the Uno, which also does the mono wheel balancing act for low speed urban manouvering, but can transform into 2 wheel mode for faster highway speeds. http://bpg-motors.com/products/uno3/
      2 Wheeled Menace
      • 3 Years Ago
      Waste of engineering $. A 1 wheel vehicle, no matter how big, no matter how many electronic controls are behind it, etc is just not going to be able to correct itself for conditions like potholes, rain, snow, etc. Yet it seems to be a big engineering goal for a handful of companies. I wonder what the attraction is? Even a 2 wheel vehicle is quite unstable in inclement weather.
      imoore
      • 3 Years Ago
      Are you kidding? A motorized unicycle? I don't care how much it costs, you must be either a sadist or a suicidal fool to ride one of these. I'm sorry for ranting, but I must wonder what the human race is coming to. This makes absolutely no sense at all.
        Nick
        • 3 Years Ago
        @imoore
        Why not, have you ridden one? It goes up to 15mph and is designed with security guards in mind. It has a much smaller footprint than a 2-wheel bike or trike, ideal for crowded areas. Hell and it looks like it comes from the year 2050 too.
      fgytt
      • 3 Years Ago
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      • 3 Years Ago
      At first it's funny but then again nothing is not safe to walk in the matter of a vehicle quotes Segway vehicle that goes where only one person standing. We must remember that Mr. Segway inventor died using a Segway.
      Nick
      • 3 Years Ago
      Chris Hoffman deserves a lot of credit for not only designing something truly new and actually building it too. Best of luck to you Chris.