Survey of the Technology for Advancing Aquatic-Speed of Wheeled Amphibian Military Vehicle

The aquatic-speed is an important factor which always limits military amphibian to exert their capability.Up to now,with utilizing new technologies,the aquatic-speed of some amphibians is greatly advanced.Based on the high aquatic-speed technologies,which have been able to drive the wheeled amphibian up over 45 kilometers per hour,the family of wheeled military amphibian is being developed.The keys achieving high aquatic-speed for wheeled military amphibian are water jet propulsion,surfing body,withdrawing/releasing and transmission of wheels.At present,the design theory and producing process of water jet propulsion and surfing body are rather developed,and withdrawing/releasing and transmission of wheels can be achieved by using hydro-pneumatic suspension system and properly mechanics design.The analysis shows that the feasibility of development wheeled military high aquatic-speed amphibian is existent.