Remote Living > Transportation

Wind Powered Car moves 2.8 times faster than the wind

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wooferhound:
http://www.physorg.com/news194851568.html

The car is able to move faster than the wind because the propeller is not turned by the wind. The wind pushes the vehicle forward, and once moving the wheels turn the propeller. The propeller spins in the opposite direction to that expected, pushing the wind  backwards, which in turn pushes the car  forwards, turning the wheels, and thus turning the propeller faster still.

bob g:
how about some cat 5 hurricane force winds?

can you say, "yahoooooooooo"

:)

bob g

boB:

Interesting...   I know that sailboats can sail faster than the wind too, by tacking, but they don't go in quite the same direction as the wind.
Is this similar ?

wooferhound:
This is going directly downwind
The article linked is fairly informative . . .

I do kind-of wonder though, how can the wheels power the Prop, then the prop powers the wheels ?

bob g:
something just doesn't feel right about that theory,

not quite sure, but it smacks of some overunity problem

i can't see how you can produce enough power from the prop to drive the car,when the car supposedly is what
powers the prop?

bob g

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