Direct Downwind Faster Than the Wind #1 (DDWFTTW)
Uploader Comments (spork33)
All Comments (18)
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@spork33 I would have thought it went both ways, depending on the relative wind direction?
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We have a 450 lb cart that stands 23' tall and carries me directly downwind at nearly 3X windspeed. It self starts from a dead-stop, and accelerates right through wind speed up to nearly 3X wind speed. We've done just about every test you might suggest.
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@spork33 Let me suggest this. replace the propeller with an equal size & weigh flywheel or just bend the props flat & see if it does the same thing. Bet it does.
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Not so. You can see on our other videos that it will move forward, even climbing an incline. On one video we let it run for quite a while.
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He holds the car, the propeller builds up Energy because its geared faster than the speed of the treadmill. The stored energy via flywheel in the propeller drives it forward a couple of inches. If left alone long enough it would fall back.
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If you are still having trouble understanding then consider this: Instead of the propeller spinning you have your hand on the mount for the prop, holding the vehicle in place. NOW what would happen to the drive wheels? Well, they spin don't they? You'd be able to extra useful power. The difference in speed is the angle of the prop allows it to do more than "grip the air" - the prop angles here work the same way a sailboat can move faster than the air speed AT A RIGHT ANGLE - the prop rotates!
hi um does any body have a step by step plan on how to make it plse need it for a project please...
uRMoRitA 11 months ago
@uRMoRitA I have a set of three detailed build videos. Look for them under spork33
spork33 11 months ago
I don't understand people's problem with this. If you just use the analogs between electrical engineering and newtonian physics, it becomes obvious that any buck or boost regulator does the same task, and in the same fashion.
kaztros 1 year ago
@kaztros
You don't even have to resort to E.E. Any lever literally does the same. We're just trading a larger force over a smaller distance for a smaller force over a larger distance. What could be simpler?
spork33 1 year ago