SP air car

SP air car

Brian P.
3D model of a single-person (SP) compressed air car, inspired on the CLEVER (https://en.wikipedia.org/wiki/CLEVER ), the velocar (http://opensourceecology.org/wiki/Velocar ), and the Planet Mechanics air-propelled scooter (http://natgeotv.com/uk/planet-mechanics/galleries/air-propelled-sandwich ). The vehicle is to be limited to a top speed of 45 km per hour, falling into the "motorized quadricycle" category. No driving permit is needed in Europe to drive it. Note that vehicle is intented to make use of a regular (electric) reciprocating (aka "piston") compressor, rather than say a rotary screw compressor and might even be less efficient than a rotary vane compressor. The benefit however is that reciprocating compressors are mass-produced and thus cheap, and the SP compressed air car itself is also intented to be a cheap vehicle (it should be possible to manufacture this at low cost). Also, the energy used to drive the air compressor can be attained from wind, water, or other natural energy sources (even human power, using for example the eConvergence Pedal-a-Watt, ...), hence still being quite ecological. The mere use of compressed air even to drive the vehicle would also make it all ready more ecological than battery-based electric vehicles (production of batteries comes together with much pollution). Also, besides increased ecology when compared to batteries, the compressed air tanks can also be recharged at regular gas stations (as these generally have an air compressor, ie to inflate car tyres), and this recharging takes but a few minutes (electric batteries often need to charge a much longer time). The pneumatic motor used is a rotary vane motor, which are commonly available and quite cheap, though less efficient than true pneumatic motors for propulsion (quasiturbine, MDI engine, Di Pietro engine, ...) The reciprocating air compressor model can be found at https://3dwarehouse.sketchup.com/model.html?id=u2bb17576-95b8-43a6-91ca-d5627a111cb5 #air_car #car #compressed_air #ecology #single_person
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