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5 inch gauge LNER A4 Pacific No.4468 "Sir Nigel Gresley" - stock code 11223

A 5 inch gauge LNER A4 Pacific No.4498 "Sir Nigel Gresley", built from a ModelWorks kit.

Largely assembled it has, like most kit build engines, been apart and together a few times as the builder fathomed the mysteries of the valve gear (something which, arguably, the manufacturer never managed to do...).

The locomotive runs on air - actually rather better than we expected - and the boiler has had a hydraulic test with new certification issued.

Whilst having something of a reputation - and indeed, many of these never got as far as running on air, let along steaming - there is a good deal of expertise built up over the years in getting the Winson/ModelWorks engines going.

We had one of their A4s back in 2019 which shows the potential of the kits, there are some pictures in the archive here.

gauge 5 inch
length/inches 49 + 28
width/inches 11
height/inches 15
wheel material cast iron
axlebox type plain bearing
cylinder material 3 x cast iron
valve type piston
valve gear Gresley-Holcroft
reverser type screw
lubricator type mechanical
injector(s) 2
boiler number 1002
year built 2002
boiler maker ModelWorks International
CE mark yes
working pressure/psi 90
boiler type locomotive
boiler material copper
boiler construction silver soldered
hydraulic test valid to 15/Mar/27
superheater(s) 2
superheater type flue tube
fusible plug yes
safety valve(s) 2
safety valve type spring
mechanical pump 1
hand pump 1