A sit-astride amphibious vehicle configuration (10) which supports a high performance envelope both on land as well as in water. The vehicle (10) has a planing hull (40) and four retractable wheels (50, 51, 52, 53). Handlebars (54) provide for directional ...

Amphibious vehicle (10, Fig. 1) has at least one rear wheel arch 14 with recess 20 opening at mouth 22 in arch rear surface 28. The recess contains spray generated by the wheel arch passing over water, channelling spray in a desired direction; preferably u...