TAILIEUCHUNG - Theory Design Air Cushion Craft Episode 2

Tham khảo tài liệu 'theory design air cushion craft episode 2', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 26 Introduction to hovercraft LCAC craft in December 1981 and the first one was launched in May 1984. Further the prototype trials were successful enough that the US Navy planned to build a total number of 90-110 such LCAC craft during the 80s and 90s. The US naval planning office for amphibious warfare PMS-377 planned to build landing ships of types LSD-1 and LHD-4 with the capability to accommodate LCACs. In addition the US Army had built a series of 26 LACV-30 hovercraft for logistic supply with a payload of 25-30t power output 2058 kw and a speed of 40 knots. Shortly after this period Bell Halter designed a series of smaller utility craft powered by diesel engines following the lead of the British and supplied a craft for oil field logistic duties in the Louisiana swamp. However Systems Inc. made agreements with Griffon Hovercraft in the UK and supplied craft for operation at the World Exposition in Vancouver in 1986 logistic support in the Antarctic and coastal police duties in Maryland. Similarly to the UK in the USA a number of smaller enterprises were set up in the 1980s to build utility craft. Their business has been slow in developing so that entrepreneurs aiming at high growth have been disappointed. The potential nevertheless remains for significant business development in the eastern Gulf of Mexico and Alaska in particular. Surface effect ship development The US Navy were also interested to develop the SES as a military combat ship. They met with several setbacks during the development of these air cushion vehicles which can be divided into three stages as outlined below. In 1963 the US naval aviation development centre constructed a test craft model XR-1A Fig. which was rather successful. For this reason under the suggestion Fig. Early US SES test craft XR-1A. US hovercraft development 27 Fig. US water-jet propelled sidewall hovercraft SES-100A. Fig. Successfully launched guided missile on US SES-1OOB at speed of 60 knots. .

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