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Allen S47
Object ID1625
Date1934-01-01
Works No
Accession NoIF:2006:015
StatusOn Display
Category Engine
Collection IDW.H. Allen Heritage
Made ByW. H. Allen, Sons & Co. Ltd
Made In Queens Engineering Works, Bedford
Description3 Cylinder vertical four-stroke diesel engine originally driving a multi-stage pump through a speed multiplier
Location Installed in Hall 1
ConditionRunning
Images

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

Short video shot before dismantling at Leatherhead.


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

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


http://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
CylinderInitialCurrent
10.004"0.004"
20.004"0.004"
30.009"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.

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