• Re: power supply discharge [OT]

    From Liz Tuddenham@21:1/5 to john larkin on Fri Oct 11 10:13:17 2024
    john larkin <JL@gct.com> wrote:

    [...]>
    Just like a car in hill country. Power up a slope and fry the brakes
    coming down.

    We have runaway truck lanes here, a side road filled with gravel. A
    big loaded semi doesn't have much engine braking and then smokes the
    brakes.

    We have one a few miles away. It is at the bottom of a series of zigzag
    bends and on the *inside* of the last bend. Any runaway lorry would
    have to negotiate the bends in order to to reach it and then turn
    through two sharp 90-degree bends to enter it.

    It seems to be mostly used by picnickers who have reasoned that the
    chance of any runaway reaching them is minimal.


    --
    ~ Liz Tuddenham ~
    (Remove the ".invalid"s and add ".co.uk" to reply)
    www.poppyrecords.co.uk

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  • From john larkin@21:1/5 to Liz Tuddenham on Fri Oct 11 07:55:46 2024
    On Fri, 11 Oct 2024 10:13:17 +0100, liz@poppyrecords.invalid.invalid
    (Liz Tuddenham) wrote:

    john larkin <JL@gct.com> wrote:

    [...]>
    Just like a car in hill country. Power up a slope and fry the brakes
    coming down.

    We have runaway truck lanes here, a side road filled with gravel. A
    big loaded semi doesn't have much engine braking and then smokes the
    brakes.

    We have one a few miles away. It is at the bottom of a series of zigzag >bends and on the *inside* of the last bend. Any runaway lorry would
    have to negotiate the bends in order to to reach it and then turn
    through two sharp 90-degree bends to enter it.

    It seems to be mostly used by picnickers who have reasoned that the
    chance of any runaway reaching them is minimal.

    From the crest near Truckee to Auburn CA, there's a downslope of about
    6200 feet over about 50 miles. Trucks tend to smoke their brakes going
    down the steeper parts of that. The runaway truck ramps are tangent
    sidings off the right side of the highway that still slope down but
    are filled with deep gravel, terminated by a big pile of dirt. Youtube
    has some great stop videos.

    A loaded semi must store a lot of joules.

    https://www.dropbox.com/scl/fi/xfxuch6qxtz44egay3zi4/Exit201.jpg?rlkey=7s2rjii6zjzwk6r5au4uxygk9&raw=1

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