Quote:
Originally Posted by Accordowner
One of the slickest vehicles I've ever seen is not an automobile but on a Velomobile:
The Aerovelo Eta, which is the current record holder for Human Powered Vehicles (HPVs) was clocked at 89.6 mph on human power alone! You achieve such speeds only with extreme aerodynamics and efficiency. In this case it has a drag coefficient of mere 0.038!! Or 9544 MPG Equivalent efficiency!!!
I can only imagine how efficient this Velomobile would be if fitted with an electric motor and battery!
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If you look at more practical velomobiles and their power demand for certain speeds, you will see that they don't realy need a motor.
Take for example the Milan SL, it's a 3-wheeler with a CDA of 0,0311 and a CD 0,076.
It goes:
45,4 km/h at 116.5 Watt
50.0 km/h at 134.5 Watt
54.8 km/h at 158.0 Watt
60.0 km/h at 185.0 Watt
This kind of power is pretty easy to sustain, even for me.
And this is not some one of a kind unpractical racing vehicle, it's designed to be used as a daily ride.
It's got a trunk, it's 3-wheeled, it is designed with rollover protection in mind and the drivetrain is covered to extend its lifespan.