Abstract
This paper describes about "Ultra Lightweight Vehicle" (ULV) which is able to drive with smallest size of body and the least energy. Small size and environmental-friendly mobility is demanded from recent automobiles social conditions such as the drying up the fossil fuel, air pollution, and the traffic jam. Then we examined equipping the air engine as a part of the development of ULV. As a result of driving test of the go-cart which carried the air engine, the maximum speed was 24.1km/h, and the distance covered per one filling was 821m. We carried out the noise level was about 90dB. In addition, we designed the performance test device of the air engine, and produced it. As a result of the test, the max power was about 450 W, and adiabatic efficiency was about 44%. According to the above results, we designed and developed ULV-Air with the air engine.
