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Re: [steam_tech] Re: Re Diameter Speed

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  • David Flecker
    Mind you, they ( Ma s) aren t as pretty to look at as the original M class. Cheers David ... -- No virus found in this outgoing message. Checked by AVG Free
    Message 1 of 65 , Jul 2, 2006
      Mind you, they ( Ma'' 's) aren't as pretty to look at as the original M



      > Russell Neil Brown <parachute@...
      > <mailto:parachute%40samford.net>> wrote (snipped):
      > In Tasmania , a postwar light Pacific of standard British
      > Colonial format was delivered with 55 inch drivers which
      > after a time were substituted for 48 inch wheels from, of
      > all things, the appalling ASG engines.(apparently, ASG wheels
      > at least, were OK)
      > The rewheeling resulted in much improved locomotives for
      > the work to which they were normally assigned.
      > R. B.

      > Russ,
      > The evidence of the senses shows that there couldn't have been too
      > much wrong with the ASG's. After minimal corrections to design
      > features that could only be described as 'courageous', the Emu Bay RR,
      > a VERY testing road, en Tasmanie, were very pleased with theirs.
      > Cheers,
      > OP

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    • Peter Horn
      Jim, That national archives link is defective... *http://www.nationalarchive*s.gov.uk/*nra/searches/codocs.asp?CR=B638*1 Cheers, Peter ... -- Peter J. C. Horn
      Message 65 of 65 , Jul 26, 2006
        That national archives link is defective...

        Cheers, Peter

        On 7/3/06, James Livesey <jimlivesey@...> wrote:
        > Oz Pete,
        > Grafton Cranes Ltd, Bedford UK. They apparently ceased manufacturing
        > around 1960.
        > For details of where the records are see:
        > www.nationalarchives.gov.uk/nra/searches/codocs.asp?CR=B6381
        > or search Google under "Grafton Cranes". Mind you the records are a
        > very long way from OZ!
        > Similar cranes were manufactured in my part of the woods by two
        > adjacent companies in Rodley, a suburb of Leeds. They were Thomas
        > Smith and Booth's.
        > They all had vertical boilers, an incredibly short wheelbase and, as
        > you state, could round bends that were tighter than a tramway.
        > I hate to use the simile but they were the fork lift trucks of their
        > time.
        > Jim.
        > --- In steam_tech@yahoogroups.com <steam_tech%40yahoogroups.com>, Herbert
        > Garratt <herbgarratt@...>
        > wrote:
        > >> [OP***] During my spell at Chullora workshops, about four of
        > these cranes worked at the steel store yard of the bridge/crossing
        > (switch) shops (Per Way 2).
        > >
        > > ***Their builders were a mixture of 'Alfred Harman, of Port
        > Melbourne', and curiously enough, 'Grafton'...but not the same one
        > as the aforementioned North Coast town.
        > >
        > > ***As an engineering exercise, they were elemental
        > extraordinaire, and so were the Dickensian personages who
        > drove/attended them. They were four wheeled, and had a vertical
        > boiler aft of the turntable, with a large diameter, high, inner
        > firebox, crossed with three markedly tapering and inclined cross-
        > tubes, a cast bed (!)...but NO suspension...at all. The lower half
        > of the integral axle bearing(s) in 'the bed' was absent...entirely,
        > with two lewdly naked studs pointing downwards, waiting for the
        > bearing keep which had been thrown over the five wire fence decades
        > ago.
        > >
        > > ***The boiler/engine area was enclosed on three sides by a
        > wooden framed, corrugated iron enclosure (with a roof!), with a
        > small single corrugated iron 'window'/aperture on each of the three
        > sides, making the entirety resemble nothing so much as a mobile
        > outhouse. The for'd (jib) side of the outhouse was utterly open.
        > >
        > > ***But it got better as one went for'd...towards the jib! They
        > were twin cyl, with the c/shaft being made of forged round bar, with
        > only two main journals, and the c/shaft (read: round bar) having the
        > literally brass bound (at the bearings) temerity to take the 'short
        > cut', directly from the first crankpin to the second, 90 degrees
        > rotationally away from the first...with no attempt at balance
        > whatsoever! Any period of high revving would produce the most
        > offensively obscene oscillatory motion in the entire device ever
        > witnessed by Man!
        > >
        > > ***The whole rort deployed a series of (3) epicyclic, utterly
        > exposed gearings, operated by band brake levers, allowing the engine
        > to bestow 'travel', 'slew', 'luffing' and 'raising', and the tobacco-
        > reeking, permanently inebriated, filth-daubed social fringe-dwellers
        > who operated them (when they weren't living in the pub, or a betting
        > shop) could perform all four functions at once...with the greatest
        > of ease....causing the load (plate steel, or whatever) to describe
        > an incredibly complex 3D curve between its point of origin, and
        > eventual 'set down' point.
        > >
        > > ***The curves these machines negotiated in the steel yard were
        > literally down near 30 foot radius, and slippage of the inner wheel
        > (always the inner) was evident to the most unobservant, whilst
        > traversing these 'bends', with a check rail at least 3" higher than
        > the running rail on every bend....and no wonder.
        > >
        > > ***They were not what one would call marathon runners, but the
        > procedure was to _fill_ them with water, and then coal, and turn the
        > blower on, and wander off, play cards, indulge in further
        > intoxication, cook toast, &c, in various 'humpies'/tin sheds
        > scattered discreetly throughout this Steptoe & Son assemblage of
        > steel. Once all this was thoroughly percolated, then the device
        > could be thrashed into what passed for 'action', until the water
        > level fell, at which point, the ritual would be repeated...including
        > the humpy, and the rum/toast/&c.
        > >
        > > ***Meanwhile, the smoke rolling out of these things during
        > the 'percolation' phase of the cycle, was just mind blowing! At
        > 07:30 hours when we used to turn up in one of the 'the works train's
        > (employees only), these cranes would all be 'boiling up' a charge of
        > water, and the four of them would be blanketing the adjacent Hume
        > Highway (and the Syd 'burb of Greenacre....GREENACRE!...what a
        > misnomer!) in a way that had to be seen to be believed.
        > >
        > > ***And for the icing on the cake....two MUCH more modern PGP
        > cranes....utterly unused......sat right over against the embankment
        > leading up to the Per Way 1 Workshops platform....covered in
        > cobwebs, inhabited by rats, and regularly policed by the resident
        > black snakes that came out of the adjacent Rookwood Cemetery, for a
        > feed of PGP rats. The PGP's, in the unshiftable view of these
        > operating personages were.......'Too bl**dy slow!' The steamers
        > leave 'em for dead!'.
        > >
        > >
        > > >(Back to Clyde Wagon Works, with Stuart) I saw a tank loco
        > backing up the hill with a rake of soon to be scrapped wagons. I
        > thought it was one of the 4-6-4T's that still worked around Sydney
        > at the time, but was surprised when a completely different loco,
        > that I had never seen before, came into view! Somehow, one of these
        > 4-4-2Ts had found its way into the wagon works where it worked from
        > about 1962 to 1972 when its boiler failed inspection, making it one
        > of the last locos in service in NS. Oddly, given the high union
        > influence within the NSWGR, this loco was driven by one of the crane
        > drivers without a fireman. He barely spoke English but was able to
        > say such things as "you want to drive! I spent a number of my
        > holidays there, at the ripe age of 14 - 15 getting firmly hooked on
        > steam traction!
        > >
        > > [OP] this sounds an identical age and procedure to that which
        > infected me, at quite busy (in the mornings...only) Darling Harbour
        > Goods Yard, in my case with the A/19 class, 1877 design, 0-6-0
        > tender engines, and some very friendly crews, who were only too
        > happy to let you 'drive'...all day! But at 'the Harbour', they
        > did 'school' one first, in the shunters' hand signals.
        > > There's a disturbing similarity here. These well meaning chaps
        > have a lot to answer for, upon reflection....and I thank them
        > profusely.
        > >
        > > Cheers,
        > > OP
        > >
        > >
        > >
        > > __________________________________________________
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        > > [Non-text portions of this message have been removed]
        > >

        Peter J. C. Horn

        [Non-text portions of this message have been removed]
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