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For Example
Here's an uplevel sporty mid-sized sled. Steering is a big 'heavy' at speed but because the steering gain is so high (g'100 degSWA), the 6.0 steering work sensitivity makes it a bit too 'nimble' (responsive) to the slightest hand movements at 100 klicks. Not the car to drive while eating a Big Mac double out on the motorway. It has a parabolic valve, and relatively low front cornering compliance (without counting the steering system contribution). With 51% weight distribution and some stiff tires (as indicated by the rear cornering compliance), the elements to tune are: valve profile, t-bar (torsion bar in the valve) size, flow rate of the pump, i-shaft stiffness and tire Mz and relaxation factors, you might like this car after a few hundred miles. Except parking it will break your elbows.
These are just a few of the design quandries facing the industry. Oh, and that older Honda steering pump sucks up way too much HP to be allowed by fuel economy rules. Same for the stiff tires (which are run flats, BTW, can't drag the weight of a spare around when the likelyhood of ever needing it is very very small. Yeah, this ain't no Fix It Again, Tony.