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12.05.2009, 06:42 PM
When I was working for dowty aerospace we were pitched the solution for landing gear - You need landing gear to be almost rock hard for landing and then softer during taxiing.
The issue is that you need to apply electromagnet to get the hard setting - fail safe would therefore be to soft... Not good...
It also adds weight as oil is much heavier - This solution is used for a lot of truck cab seats to reduce vibration and fatigue IIRC
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