Scooter Shooters
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A-framing hitch The Aquarium Crew have a big shopping list of scrap at the six-hour point. They make great progress in building the first of their A-frames. Spirits are high, until they discover a measuring mishap. A traditional trebuchet has a long throwing arm and a shorter weight arm - the ideal ratio being 4:1. Expert Don is proposing a 3:1 ratio, meaning less power, but critically less weight stressing the machine, if the team can get their calculations right. |
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