Re: [steam_tech] Re: Re Diameter Speed
- 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.
> 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.
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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:
> 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
> --- In email@example.com <steam_tech%40yahoogroups.com>, Herbert
> Garratt <herbgarratt@...>
> >> [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
> > ***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
> > Cheers,
> > OP
> > __________________________________________________
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Peter J. C. Horn
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