Aerowagon
The Aerowagon or Aeromotowagon (Russian: аэроваго́н, аэродрези́на, romanized: aerovagon, aerodrezina) was an experimental high-speed railcar fitted with an aircraft engine and propeller traction invented by Valerian Abakovsky, a Soviet engineer from Latvia. It produced speeds of up to 140 kilometres per hour (87 miles per hour).