About: Square Wheels (Episode)   Sponge Permalink

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Verdict - Plausible Notes - Adam and Jamie designed a set of square wheels to support the weight of a pickup truck, then cut the treads off a set of tires and fitted them on. They set up a test course, using a heavy-duty pickup equipped with vibration sensors, and drove a control run (using round wheels) at speeds up to 60mph. When the square wheels were mounted, the ride was very rough at first but began to smooth out as the speed was increased. However, one wheel fell off after only a few seconds when its bolts snapped.

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  • Square Wheels (Episode)
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  • Verdict - Plausible Notes - Adam and Jamie designed a set of square wheels to support the weight of a pickup truck, then cut the treads off a set of tires and fitted them on. They set up a test course, using a heavy-duty pickup equipped with vibration sensors, and drove a control run (using round wheels) at speeds up to 60mph. When the square wheels were mounted, the ride was very rough at first but began to smooth out as the speed was increased. However, one wheel fell off after only a few seconds when its bolts snapped.
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abstract
  • Verdict - Plausible Notes - Adam and Jamie designed a set of square wheels to support the weight of a pickup truck, then cut the treads off a set of tires and fitted them on. They set up a test course, using a heavy-duty pickup equipped with vibration sensors, and drove a control run (using round wheels) at speeds up to 60mph. When the square wheels were mounted, the ride was very rough at first but began to smooth out as the speed was increased. However, one wheel fell off after only a few seconds when its bolts snapped. For small-scale testing of other wheel orientations, Adam and Jamie returned to the shop and built a cart to run on a treadmill. They found that if two opposite-corner wheels were turned 45 degrees out of phase with the others, the cart achieved a balance of smoothness and stability. A full-scale test at almost 20mph caused the tire treads and brake pads to come off the wheels. Despite the mechanical failures, they classified the myth as plausible, based on the sensor readouts and their own sensations.
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