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1-10 of 27-
Humber
spork33
9 views
This is a perfect characterization of our most ardent denier of DDWFTTW.
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spork.wmv
spork33
236 views
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Silly toothpick trick
spork33
1,046 views
This is just sort of a silly brainteaser/trick you can do with a couple of toothpicks.
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Harold Bricer Test
spork33
640 views
This is a test done to demonstrate some basic principles to one of our on-line critics. It will be too boring for most sane people
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My first skydives
spork33
186 views
The lost tapes - getting checked out for skydiving in Lodi (last summer)
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Hot Air Balloons and Wind Gusts
spork33
1,226 views
This video was made of some experiments aimed at determining how a hot air balloon would respond to a wind gust. We know that a hot air balloon tracks the wind speed, but ...
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Prop vs Turbine Race
spork33
1,208 views
Yet another video to address claims from forum contributors that a cart driven by a turbine would beat a cart driven by a propeller. In the end we reverse the direction of...
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DDWFTTW - Prop or Turbine
spork33
2,801 views
This video was made to address a common misconception about whether the wheels provide the torque that turns the prop or the prop (working as a turbine) provides the torque...
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DDWFTTW - Physics on a shoestring
spork33
4,213 views
This video was made by request of a forum member. He wanted to see if the cart would pull forward against some strings restraining it.
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Making of the DDWFTTW cart (Part 3 of 3)
spork33
4,806 views
This series of 3 videos takes you through the complete build of the wind powered cart that goes directly downwind faster than the wind.
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