Allen S47

Object ID

1625

Date

1934-01-01

Works No

Accession No

IF:2006:015

Status

On Display

Category

Engine

Collection ID

W.H. Allen Heritage

Made By

W. H. Allen, Sons & Co. Ltd

Made In

Queens Engineering Works, Bedford

Description

3 Cylinder vertical four-stroke diesel engine originally driving a multi-stage pump through a speed multiplier

Location

Installed in Hall 1

Condition

Running

Images

Multimedia

https://www.youtube.com/watch?v=bizl1pFWbhM

Short video shot before dismantling at Leatherhead.

https://www.youtube.com/watch?v=q7uOns4FJbs

End of summer 2010 and finally turning over on air. Work stopped awaiting completion of the building.

https://youtu.be/2lhfbG9sNdI

First run, bad seat on No 2 exhaust cage meant she was only running on 2 cylinders.

History

2005-03-07

Site inspection by Keith Farley and Paul Evans meeting Peter Stephenson from the Water Authority. Agreement to take one engine and ancilliaries.

2005-04-18

On-site, Keith Farley and Paul Evans, removed all fragile components such as pressure gauges and oilers.

2005-05-18

Engine No 5 delivered to the museum in part dismantled state. Placed in storage in main yard.

2010-01-01

Crankcase installed in the courtyard (Hall 5). Crank installed and block fitted.

2011-10-16

First full public run at the 2011 End of Season Crank-Up. Water system incomplete so engine was run with the block filled.

Ran for 40 minutes total on the Saturday and 2 hours on the Sunday, no problems.

Conservation/ Maintenance History

Initial Check
2006-02-04

Engine arrived stripped with most smaller components boxed. Crankshaft in good condition, one big-end bearing showed signs of break up.

Strip and Inspection
2009-04-18

Crank removed and found to be in good order. Number 3 big-end U/S with a large piece broken out of the top half. Pistons removed, bores 1 and 2 in good condition having been chromed at some point. Number 3 liner in poor condition. All three pistons have stuck rings with several broken. All three gudgeon pins require refurbishment.

Installation
2010-02-19

Block/crank/flyhweel/outrigger back together. Deflection less than 1 thou all round.

Ongoing work
2011-07-23

Remaining two flywheel bolts fitted and injection pumps set (by eye)

Knock on No 3 so big ends checked.

Big End Clearances

Cylinder Initial Current

1 0.004" 0.004"

2 0.004" 0.004"

3 0.009" 0.004"

Further Work
2011-10-30

Inlet and exhaust valves removed and ground, new water seals fitted on exhaust valves.

General sorting of remaining small jobs, missing studs, fuel leak on manifold.

Still needed, investigation of possible leak in oil cooler following fresh water found in sump.

End of Season/Victorian Night/NYD 2011
2012-01-03

Cooling system pressurised with no leaks. Engine ran for 2.5 hours at Victorian Night. Ran for 5 hours at New Years Day event with no problems other than hunting on the governor. 5 gallons of fuel consumed.

Circ Pump Failure
2013-06-08

Circulating pump failed so the engine is currently U/S.

Related Objects

Leatherhead Pumping Station (31 records found) - Generate printable document for all related objects

Allen S47

Allen Air Bottle

Allen S47 Valve Spring Compressor

S47 Piston Guide

Part of Fuel Tank Room - Leatherhead New Works

Arrangement of Water Tank Room - Leatherhead New Works

Arrangement of Bore Hole Pump Pipes - Leatherhead New Works

Force Pump Drawings (part) - Leatherhead New Works