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Shock-mitigating suspension seats are designed to reduce the severity of vibration and mechanical shock. These seats are used in vehicles that operate in high exposure environments, such as high-speed watercraft , military platforms , construction , forestry and agricultural vehicles , and industrial trucks (such as fork lifts ).
Experience gained during training and operational usage showed the aluminum monohull transmitted the impact with the water to the craft's occupants more readily than a composite hull. Even after modifications such as the addition of shock-absorbing seats, the boats are capable of generating up to 20 Gs of force while slamming across waves.
Three similar shock mounts support the seat. A similar idea, also known as a shock mount, is found in furniture design, introduced by Charles and Ray Eames. It provides some shock absorption and operates as a living hinge, allowing the seat back to pivot. Shock mounts are also sometimes used in bicycle saddles, [4] handlebars and chassis.
The Benham class replaced all pedestal mounts with open base ring mounts later on. The Fletcher class was the first to only have enclosed guns (except for the Porter and Somers destroyer leaders). There are several models of the 5"/38, differentiated by the word Mark (or its abbreviation MK ) and a number.
They absorb shock and attenuate some vibration. Negative-stiffness isolators Negative-stiffness isolators are less common than other types and have generally been developed for high-level research applications such as gravity wave detection. Lee, Goverdovskiy, and Temnikov (2007) proposed a negative-stiffness system for isolating vehicle seats.
The Landing Craft Air Cushion (LCAC) is a class of air-cushioned landing craft used by the United States Navy and the Japan Maritime Self-Defense Force (JMSDF). They transport weapons systems, equipment, cargo and personnel from ship to shore and across the beach.
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