Gibbs Technologies Ltd, the world’s only High Speed Amphibian (HSA) technology specialist, today unveiled a prototype of the first commercially viable high-speed amphibian Quadbike/All Terrain Vehicle (ATV) - Quadski. Quadski is the third demonstration of Gibbs’ HSA technology following the successes of the Aquada and the Humdinga. It is capable of travelling up to 50 mph (72 kph) on land and wat