How a simple flip of a lever adjusts seat suspension in seconds
When it comes to designing adjustments for shock-mitigating marine seats, there are plenty of factors to consider. Adjustments are popular because they help customize the ride experience, and this can be done in more than one way. Spring-rate, progressivity, and damping characteristics may all be tunable, but each requires a different adjustment mechanism, and not all mechanisms are suitable for use at sea.
This may best be illustrated with the example of a hand-powered air pump to adjust pressure in an airspring. While adjustable pressure is desirable, operating a pump in the dark or freezing cold while wearing gloves can be a tall order. It is time-consuming, and in critical deployments the pump may be abandoned, much to the risk of the seat’s occupant. An electric pump may be a viable alternative, though it introduces new complexity and expense.