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The Papplewick Engines

By spikemoz
First an appology, in my last upload I mentioned the Boiler House contained five Lancashire Boilers, there are in fact six - I obviously can't count !!! If you put Papplewick Pumping Station Notts into your search engine you should have no difficulty in finding their excellent web site, where you'll find lots of historical information and drawings with easily understood descriptions of what everything is and how it works, together with steaming dates.

V1,V2 & V3
There are two beam engines in the Engine House, each beam is supported on two decorated cast iron columns. I think the birds on each corner of the column capitals are Golden Ibis. There are fish and water symbols in the column decoration. The original oil lamps are still in place and the main Engine House lamp is located above the lady in the blue trousers. This lamp is supported by what I think are three Griffins. The doorway from the Boiler House is in the background.

As you pass through the door to the Engine House, you enter the central walkway which passes between the 46 inch bore double acting cylinders (one cylinder for each of the two engines). Each cylinder has a steam jacket which is covered by thermal insulation held in place by mahogany planks and brass banding. At botton right, the steam jacket has been leaking and the Papplewick enginewrights have removed some of the planks and insulation, so the steam jacket at this point has been exposed.

These two engines are thought to be the last built by the famous James Watt Company, at the Boulton & Watt Soho Works in Birmingham.

V6 & V7
Each engine has a steam chest at each end of the cylinder, which contains double beat poppet valves for inlet and exhaust. These valves are actuated by rotary cams, which are driven by a gear driven shaft connected to the main crank shaft. The exhaust valves have a fixed cutoff, whereas the inlet cut off appears to be varied by the lever at top left which moves the cam follower in and out of it's carrier. To start the engine, the driver has to operate these valves by hand using the four valve lifting levers until there is sufficient momentum in the engine flywheel to carry the big end past top and bottom dead centre and the engine can run by itself.

V8 & V9
Once the engine has got up to speed, the rotating governor weights move in and out to regulate the steam supply to the cylinders, by means of a linkage to a regulator valve located on the top steam chest.


Tags: General Architecture Flash and lighting

Voters: gary_d, CherryMartin, Daisymaye and 16 more

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gary_d 13 576 13 Wales
31 Mar 2009 12:33AM
Great images V7 I particularly like and a very interesting and imformative write up. - gary
Daisymaye Plus
12 23 19 Canada
31 Mar 2009 4:12AM
Great shots....very interesting....Sandy
mark1309 14 13 United Kingdom
31 Mar 2009 4:34AM
Great shots and write up - very interesting, v7 and v9 my favourites,
imagio 14 12 1 England
31 Mar 2009 8:38AM
Very informative and nicely taken Spike

gregl 16 19 1 England
31 Mar 2009 9:30AM
This is a fascinating series. It is interesting how much decoration was done when this facility was built. Your pictures have certainly conveyed that.
31 Mar 2009 10:03AM
An incredibly detailed set of shots Spike with an equally detailed write up. I never realised it was such a complex routine to get one of these engines running. Thanks for sharing all this info.
BERTRAM 13 United Kingdom
31 Mar 2009 10:15AM
A fantastic set of imaes.
KP 12 6 United Kingdom
31 Mar 2009 2:02PM
Great images and write up
spikemoz 14 2
31 Mar 2009 2:06PM
Thanks for all the votes and comments, much appreciated.

GlynnisFrith 14 23 3 United Kingdom
31 Mar 2009 6:09PM
What a fab looking place love all the decorations on the building

super shoots

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