I promised Harry I’d dig out the old post about a DUKW fitted with hydrofoils, and here it is.
A DUKW amphibian fitted with hydrofoils to boost its speed on water from 5 knots to 30.
One man’s memories of the shipbuilders who made the Flying DUKW and other hydrofoils. The International Hydrofoil Society. The White Hawk Jet Hydrofoil.