GWR Bulldog 4-4-0 straight framed

 

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3425 in 1920s condition - built by Tom Mallard.  Click pictures to view at full size

3353 in 1930s condition - built by Steamline Sheffield.  Click pictures to view at full size

Ref

Specification

Price

To complete

L3

Etched nickel silver frames, motion and brass superstructure

Lost wax, whitemetal and turned fittings

Flexichas suspension

Non-working, ‘dummy’ inside motion

Designed by Martin Finney

 Kit to convert to working Inside Motion - IM3

£140

 Dean 2500 gallon tender, Dean 3000 gallon tender or Churchward 3500 gallon tender.

 Wheels

Driving: 5'8" 18-spoke outside crank - Ultrascale, Alan Gibson, Markits

Bogie: 3'8" diameter 10-spoke - Ultrascale, Alan Gibson, Markits

 Motor Designed for a Portescap 1219 but an alternative is a Mashima 1224
 Gearbox High Level Road Runner Plus with 54:1

 

Download the instructions View the etches

From this kit any of the straight framed engines (the last 115 built) can be modelled from circa 1904 to 1951. Two boilers are provided: the D2 half-coned and the D3 three quarter-coned.

The 'Bulldogs', numbers 3353-3730 (later 3341-3440), had the 'standard’ depth of outside frame and the ‘Bird’ series, 3731-45 (later 3441-3455), had 'deep’ frames. 'Bulldogs' originally had Dean 'swing-hanger’ bogies, fluted coupling rods, steam brake and steam reverse whereas the 'Birds' were built with ’De Glehn’ type bogies, plain coupling rods, vacuum brake and screw reverse.

When built, the locomotives were fitted with standard 2500 gallon or 3000 gallon tenders. Later, many of the class acquired 3500 gallon tenders.

 

Variations/Modifications incorporated into the kit

Chimneys: three different types provided

Safety valve casing: with or without top feed

Bogies: many rebuilt to ' De Glehn' type without swing-hangers and fitted with strengthening patches - built with bogie splashers.

Smokebox: originally quite short and later front and back rings riveted

Smokebox saddle: early flush rivets - later snap head rivets

Sandboxes: originally below footplate on leading coupled wheels only - later larger and above footplate on all wheels ('Birds' were built with the larger type)

Cab roof: early canvas covered wood - later steel

Splashers: early with beading - later beading removed and rivets visible

Cab spectacles: later plated over

A.T.C. equipment: fitted from 1928

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