4 ms·

And Bosch uses compressed air to keep motorcycles on track (experimental tech) https://www.youtube.com/watch?v=3ERowrZJyfw https://www.youtube.com/watch?v=3ERow

• tonyedgecombe 8y ago
  If you could point them backwards for a little extra thrust ...
  • johnbrodie 8y ago
    Modern supersports are pushing ~200hp, no need for the extra weight that would generate the thrust.
    • stcredzero 8y ago
      The Spitfire actually used the jet propulsion of the rearward facing exhaust for an extra few horsepower. Many piston engine aircraft do this.