active suspension (no Audi content)

[Virtual Bob <h93young@creighton.edu>]

I was following a brand-spanking-new trailer truck, sans trailer. So,
like, my line of sight was this rear axel (funny, no leaf springs),
connected to the ladder frame via two huge cylinders (think ultra-large
coffee cans).

What first caught my eye was these two big "coffee cans" have "Volvo"
written over it. So like, I was watching 'em in this annoying stop-and-go
rush traffic (jam).

While watching the odd suspension, it began to occur to me the compression
& expansion of the said cans don't really go together with the bumps and
dips of the road. In fact, I thought the peculiar suspension is somewhat
slow in reacting to road condition -- sometimes even downright weird and
totally out of this world.

Then it finally occured to me the suspension is an active one! Whenever
the truck begin to accerlate, the said coffee cans would extend themselves
about 3 inches. As such, when accelerating, the truck would "tilt" to the
front. Conversely, when the truck is coasting or slows down, the cans
would retract those 3 inches (and more during complete stops). Totally
cool! Although I don't think I'd like the "rocking boat" feel of a car
fitted with that sort of active suspension... Good for racing, I suppose.

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