Austral 20 was a
catamaran
A catamaran () (informally, a "cat") is a watercraft with two parallel hull (watercraft), hulls of equal size. The wide distance between a catamaran's hulls imparts stability through resistance to rolling and overturning; no ballast is requi ...
produced by Charles Cunningham in
Australia
Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
in the early 1960s period of experimentation.
It was apparently produced in reasonable numbers by Charles himself.
See also
*
List of multihulls Types
* catamaran = two symmetric hulls
* proa = two asymmetric hulls, reverse-shunting (interchangeable Bow (ship), bow/stern)
* trimaran = three hulls
* quadrimaran = four hulls
* pentamaran = five hulls
Pre-modern Austronesian people, Austrone ...
*
Lock Crowther
Lock Crowther (9 September 1940–1993; first name by birth Lachlan) was an Australian multihull sailboat designer. He grew up in Bairnsdale in the East Gippsland region of Victoria. Though his first name was Lachlan by birth, he insisted ...
References
{{Sailing vessels and rigs
Catamarans