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Published on Aug 8, 2009
PLEASE READ THE DESCRIPTION BELOW!
This is a quick tutorial on how to build your own Segway! :) It should be viewed as a humorous tutorial, because it was actually really hard to do this. This is rather a video showing what we have managed to build.
On the suggestion of our neighbour and after some studying of the real Segway "behind the scenes", we realized we could really make a self-balancing robot. Eventually, it took about a couple of months of effective work and a lot of patience. :)
In the beginning, the full-scale model was shaking and going crazy so much that you could barely hold it with your hands. And after lots of physics and math, we came up with this what you see.
But we still believe this is just a prototype! We have learned on this one what went wrong and why did it go wrong, so we can build a much better next one. Also, what you see in the video is a behavior before we improved the power management to the vehicle, so now it's even faster and more responsive (for example, when suddenly braking).
Max speed is around 25 km/h (15.5 mph) on a flat surface. Max distance with one charge is around 35 km (22 miles) or 3 hours of driving. The batteries are 36 Ah. Max load is 150 kg (330 lbs). Clearance from the ground is 15 cm (6 inches). Weight of the vehicle is 30 kg (66 lbs).
The final production cost was about $1000 total, with the most expensive items being the metal body (which was manufactured in a factory based on our custom order), the electric engines and the batteries, respectively. We were told in the factory that the price for, let's say, 1000 pieces, would drastically go down per piece than for making just 1 piece. Therefore, if made in large quantities, the total cost for 1 Segway would be about $600-$700.
Please contact us if you can place this product in the market and if you are serious about it.