The Study on the In and Out Water Character of Amphibious Vehicles

Amphibious vehicle has the character of vehicle and ship.It can not only run on the land,but also float on the water.Because of this character,it has the extensive application value in many fields of the national economics.The text analyses the use conditions of the out water angle and the in water angle which delegate the amphibious vehicle important ability to in and out water,puts up the mathematical model,and calculates the in water angle and out water angle of an amphibious vehicle.This research has important reference to the study and design of amphibious vehicle.