 |
LNWR
Jumbo |
|
LNWR
Improved Precedent Class 2-4-0 The "Jumbos" of
the London & North Western Railway |
 |
SPECIFICATIONS
| Scale: |
1:22.5 |
|
Cylinders: |
2
with 10mm bore x 20mm stroke |
| Gauge: |
1 (45mm) |
|
Valve Gear: |
Slip
eccentric |
| Weight: |
2.6 kg |
|
Fittings: |
Safety
valve, blower valve, regulator, pressure gauge, auxiliary gas reservoir & gas
burner, check valve, axle pump and tender pump |
| Length: |
457
mm over buffers |
|
|
| Width: |
74
mm |
|
|
| Height: |
125
mm |
|
Firing: |
Methylated
alcohol, 2 wick burner, fuel capacity 65cc |
| Radius: |
1m (3'3") minimum |
|
Lubricator: |
Roscoe displacement
type |
| Boiler: |
Type
"C" with 5 fire tubes. 80cc at 70% full. 3-4 kg/cm2
working pressure. |
|
Wheels: |
Drivers
63 mm diameter |
|
|
Tender: |
Tank capacity 200cc. |
 
PRICE and
AVAILABILITY
| All Aster locomotives are limited
production. Once sold out they are no longer available although models may still be
available from retailer stock. Factory availability can be checked at http://www.asterhobby.co.jp/price.html
Argyle's Aster pricing can be found in the Aster Price List. |
PROTOTYPE
| The LNWR Jumbos were among
the most famous British steam engines of the nineteenth century. They were not only
capable of high speeds but regularly hauled heavy loads in relation to their small size,
and so they well deserved their nickname. They were designed by F.W. Webb, and 166 of them
were built at Crewe Works between 1887 and 1901. Known officially as the
"Improved Precedent" class, they were developed from John Ramsbottom's Newton
Class of 1866-73. One of the most famous "Jumbos" was No. 790 Hardwicke. During
the "Races to the North" in 1895, it set a record which was to last for almost
forty years. Hauling the west coast train from Crewe to Carlisle, it covered the 141 miles
of hilly road, including the four miles of 1 in 75 Shap Summit, at an average speed of 67
1/4 mph, and achieved speeds over 90 mph. It is now preserved in the National Railway
Museum, York England. Even more famous in its day was No. 955 Charles Dickens. This engine
worked the 8:30AM express from Manchester to London Euston and the 4PM return for twenty
years and so covered more than 2 million miles, a record that has never been broken by any
other British steam engine.
Aster has chosen to model
these two famous engines as they were in the late nineteenth century, in the famous
blackberry black livery of the LNWR. They are are a fitting companion to the model of the
famous East Coast engines, the Stirling Single, produced in 1996. After the grouping of
1923, when the LNWR became part of the LMS, four "Jumbos" were painted in LMS
crimson red. Aster has chosen to model LMS No. 5036 Novelty in red livery and No. 25001
Snowdon, which was the last surviving "Jumbo" in plain black livery, as it was
when scrapped in 1934. The Snowden model is now sold out and hence no
longer available. |
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2002 Argyle Locomotive Works
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