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The Two-Mass-Skate Bicycle Balances Without Gyros or Trail

Arend Schwab · Demo · YouTube title: TMS Bicycle, stable without gyros or trail (TMS=two-mass-skate)
Why it's here

HN commenters cite it as the author's own demonstration of research showing that bicycle stability is not explained by gyroscopes.

What it covers

Arend Schwab demonstrates a research bicycle, the two-mass-skate design, that balances itself without gyroscopic effects or trail. It challenges the common explanations for why a moving bicycle stays upright.