There is simply not enough air in the car tyres for the flotation trick to work. To support a 1500kg car at the surface would require each bag to take 375kg which (roughly) in fresh water at atmospheric pressure would require each to displace 0.375 cubic meters. At 2.5 bar pressure (pretty standard for a high performance car tyre) this would take up 0.64 cubic meters which, on a 17" wheel at 205 profile would require the tyre height to be 215mm (even if it were possible to get all the air out of the tyre, which it wouldn't as the air would stop coming out when the inside of the tyre was the same pressure as the outside).
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05/03/2025 alle ore 09:33
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