The history of transportation contains a surprising number of inventors who looked at a normal vehicle and decided the main problem was that it had too many wheels.
Visit Douglas Self’s N-wheel vehicle pages
Douglas Self’s Museum of Retro Technology documents those decisions with the same mixture of engineering curiosity and dry commentary that runs through the rest of his site.
The result is a gallery of machines that tried to balance, steer, stabilize, or simply survive with fewer contact points than common sense might recommend.
Engineering by subtraction
The collection branches into monowheels and related machines where the rider may sit inside or around a giant wheel, as well as stranger arrangements that blur the line between bicycle, car, gyro vehicle, and mechanical dare.
Some concepts were serious engineering projects. Others look as though their inventors reached the prototype stage before asking the obvious question.
What happens when you brake?
That is the fun of Self’s museum.
It does not treat failed or eccentric technology as useless. A bad transport idea can still reveal what engineers were trying to solve: weight, stability, traction, steering, compactness, mechanical simplicity, or the dream of doing with one wheel what everybody else required four to accomplish.
The pages also preserve the visual evidence that makes these designs understandable. Patent-style drawings, old photographs, captions, dates, and short technical notes let the visitor compare solutions across eras.
Self’s larger Museum of Retro Technology is full of similar branches where engineering wandered somewhere interesting even when industry eventually chose another path.
That is a particularly good fit for the web.
A printed encyclopedia has to justify the space spent on an unsuccessful one-wheel automobile. A personal website can give it an entire page because the author thinks it is fascinating.
CacheRat’s 1,967 Ancient Web Domains research list includes specialist technical sites because they preserve the roads engineering did not take, not only the machines that won.
Four wheels became ordinary.
Fortunately, the people who disagreed left photographs.