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The overall drag of the whole vehicle and the drag of the stalled prop blades overcome the tendency of the prop to turn in the other direction. Once the prop blades are moving faster they will unstall. Charles Platt please note!
ZKMX7 3 years ago
Charles Platt assures us the entire thing is impossible. Something as silly as physical evidence is not likely to change his mind.
spork33 3 years ago
And notice that the propeller is not driven backwards. That's important. The tail wind is fundamental to the experiment. The treadmill acts like the tailwind when the cart is in motion. But you still need to give it a push to get it going when you turn on the tread mill. If you can combine the fan and the tread mill correctly...you can start it with the fan, and then run the tread mill, and turn off the fan. It would be tricky, but that would simulate the DDWFTTW vehicle from a stand still.
Civbert1 3 years ago
Not completely because of the inertial effects.
It can really only be done on a very long treadmill or outdoors.
Sgrunterundt 3 years ago