Wind Machines: The Effectiveness of Sail Materials
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The land sailing expert says that the Red Team's sheet metal sail is more unorthodox than the Green Team's lightweight design. The Red Team removes the aluminum roof of a truck and uses it for a... (more info)

The land sailing expert says that the Red Team's sheet metal sail is more unorthodox than the Green Team's lightweight design. The Red Team removes the aluminum roof of a truck and uses it for a sail.

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