Re: QUESTION: New idea for truck scales

BD <bobby_dread@xxxxxxxxxxx> wrote:
> Hey, all.

> I was driving along the highway recently, and passed one of those big
> truck scale stations. I was thinking about how long it must take for a
> big truck to be weighed, and I suddenly had an idea of how to speed up
> the process. I've thought about it, and I think that it's viable, if
> only in principle. I'd like to fire off my idea to the group and see
> what you all think.

> Picture, instead of a scale that weighs the mass of each axis and
> calculates an average, a massive steel plate that runs for about a
> hundred feet. The plate is set on top of a group of sensors, which can
> _very_ accurately detect movement in this plate.

> So the truck comes through the station, and instead of stopping, simply
> slams on the brakes for a split second as it passes over this plate.
> The plate moves in response to the truck putting on its brakes, and a
> calculation is done to find the weight required to move the plate the
> distance that it actually moved.

> Now - a large vehicle just 'tapping' its brakes might cause the plate
> to move the same amount as a smaller vehicle slamming on its brakes
> really hard. So some system of lasers would be used to calculate the
> delta-v of the vehicle as it passes over the plate.

> So what I envision is a system where a vehicle passes over this plate,
> pops his brakes, and just cruises along!

> Comments? Does this have any viability at all?

> BD

Not around here; the trucks don't stop, they just slow down (unless
they get pulled for closer inspection).

Seems someone beat you to it by a few years.

--
Jim Pennino

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