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.