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Thread: Alco 48 class loco pics

  1. #181
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    Quote Originally Posted by circlework View Post
    Something to do with an earth breaker tripping.
    That's known as a Ground Relay trip!

  2. #182
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    Quote Originally Posted by 3-Gees View Post
    *snip*the CLP's are a favourite amongst Railfans,big and loud,
    Certainly loud .... just can't beat the growl of a GM 2-stroke. In fact living beside the tracks, I used to get woken by a dirty old GM hauling oil cars nearly every week night and it never bothered me in the slightest .... just loved that sound! The only problem was that you couldn't set your clock by him.

    Just re-read what you said, Gregg .... CLP13 is currently part of QRNational ... as of around 2008?


    Cheers,
    Daz.
    Last edited by circlework; 5th May 2011 at 07:46 PM. Reason: more stuff.

  3. #183
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    But how does a Ground Relay Trip trigger a gravitational fault large enough to shift the loco a couple of meters left of the track?

  4. #184
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    It obviously tripped over the ground!!!!
    ......sorry,couldn't help it

  5. #185
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    I took these pics a few years ago when I was working in Selebe Phikwe in Botswana. We had to cross the railway line to get to the airport and often saw this loco hauling ore to the processing plant.
    It was oil fired and we always got a wave as we took photos. Obviously they knew we were the ones with the strange looking aircraft ( The flying nissan hut)
    Attached Images Attached Images

  6. #186
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    were many steam locos converted to oil?
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!


    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]

  7. #187
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    Hi Pedro, in NSWGR’s case, it was the other way round.

    When they bought the 59 class from the USA, nearly all of them were converted from oil burners to coal.

  8. #188
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    was this for purely economic reasons?
    and was the class's longevity increased or decreased do you reckon?
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!


    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]

  9. #189
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    I would imagine it was done more for convenience than anything else.

    The rest of NSWGR’s steam fleet were coal burners so it just made it simpler to have all the engines using one type of fuel.

    I’m not sure how many remained oil burners but I think it was only one or two. Why these were not converted seems a bit odd but the railways may have had a reason for keeping an oil burner or two around.

    I’m not sure of what the effects of using oil verses coal on a steam locomotive are but I have an uncle in the USA who was a manager of an oil burning electric power station and he reckoned oil burner boilers needed more maintenance than a coal fired boiler.

  10. #190
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    I have been inside oil fired furnaces and coal fired. The oil fired ones were heavily clagged up around the boiler tubes. Coal fired one are usually relativley clean and only get claggged up around the top and cooler parts of the furnace. Also depends on the standard of coal being burnt. Most power stations only use the overburden that is above the good stuff, which goes overseas. I have used oil that has a high heat value and the furnace clagged up the same as the lower heat value grade oil. NSW railways may have changed to coal as the firemen probably could not get enough oil on a coal shovel.

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