Compressed air for light vehicle propulsion

This work presents the design, manufacture and testing of a light vehicle powered by compressed air. The results for this phase of development focuses on matching the compressed air discharge with the demand cycle of the vehicle. The compressed air will discharge will drive an air turbine that is coupled with an electrical generator. The latter in turn drives an electric motor that provides power for the vehicle. The power requirements are articulated against resistive loads on the vehicle that arise from the expected operation cycle. The prototype was able to travel for 180 meters at around 3.5 km/h speed when the air pressure was a mere 6 bar. Further enhancements to the design are currently underway, to provide a direct mechanical load transmission to the wheels without using an electric motor, as well as using higher capacity pressure vessels.