Hydrofoil
Ferry carried Postcard from Australia issue in 1979
What is a Hydrofoil?
The term "hydrofoil" is commonly used for the wing-like structure mounted on struts below the hull, or across the keels of a catamaran in a variety of boats (see illustration), which lifts the boat out of the water during forward motion, in order to reduce hull drag. -
Wikipedia
What is a Hydrofoil?
The term "hydrofoil" is commonly used for the wing-like structure mounted on struts below the hull, or across the keels of a catamaran in a variety of boats (see illustration), which lifts the boat out of the water during forward motion, in order to reduce hull drag. -
Wikipedia
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