
The WW2 ‘Shadow Factory’ system – Ford-built Merlin engine, MSI
By: shortfinals
Tags: 'damn good engines', 'Ford Merlin', 'shadow factories', 'Shadow Scheme', 1000 Spitfires a year, 10000 plus men 7000 women, 1610 hp at 3000 rpm, 1936, 1938, 1941, 1944, 30428 Merlin engines, 400 engines a week, a brand new £6.6 million plant, Adolf Hitler's native country, aero-engines, aircraft, aircraft powered by the Merlin, allowing the engine to be rotated, Anschluss, appropriate camouflage schemes, assembly jig, Australia, Austria, Aviation, Avro Lancaster, Avro Lancaster I and VII, Avro York I, Battle of Britain, blue-painted fixture, blue-prints for the Merlin, brass plaque affixed to it, Bristol Beaufighter, British fighters and bombers, built Merlins under licence, Canada, Canadian and Australian built Mosquito aircraft, Castle Bromwich, Chadderton and Newton Heath facilities, cheap loans, Chief Engineer of Rolls-Royce, Czech crisis, Czech Republic, De Havilland, De Havilland Mosquito, Derby, desperate weakness of the RAF, easiest to convert to aircraft production, England, establish new factories, ethnic Germans, Europe, every aircraft enthusiast, existing aeronautical company, existing companies expanded, expansion of the Royal Air Force, Fairey Battle, Fairey Fulmar, Ford, Germans, Germany, Government grants, Great Britain, Handley Page Halifax II, Handley-Page Halifax, Hawker Hurricane, Herbert Austin 1st Baron Austin KBE, Hitler's armies, Hitler's demands, Hitler's native country, industrial magnates, June 1941, Lancaster III bombers, last Ford-built Merlin, Lord Austin, Lord Nuffield, Lord Swinton, main Rolls-Royce plant at Nightingale Road Derby, Manchester, March 1946, Mark 24 Merlin, Merlin 24, more suitable for mass production, museum, Museum of Science and Industry Manchester, Museums, new factory at Castle Bromwich, new shadow factories, Nightingale Road, North American P-51 Mustang, original assembly jig, Packard Motor Car Company, Packard-built Merlin, petrol cans, plants producing motor vehicles, political union, Prime Minister Neville Chamberlain, production close 60% of Packard's, RAF, rebuilt by company apprentices, redundant assembly plant, Rhineland, Rolls-Royce, Royal Air Force, Secretary of State for Air, shadow factory system, shells, shuttered since 1931, Sir Kingsley Wood, Sir Stanley Hooker, small arms, Sudentenland, tanks, The People's Mosquito, Trafford Park, USA, Vickers Wellington, Vickers-Supermarine Spitfire, war-winning Merlin engine, warbird, William Richard Morris 1st Viscount Nuffield GBE CH, WW2
Category: aircraft, Aviation, British Isles, England, Great Britain, military, Museums, RAF, Royal Air Force, Second World War, United States, warbird
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The year was 1938, and it was getting late, very late indeed if Britain was to save itself from the coming storm which threatened to engulf Europe. Hitler’s armies had marched into the Rhineland (1936), taking it back from Allied control, they had merged with Austria (1938) Adolf Hitler’s native country, in what was known as ‘Anschluss’ (political union) and a significant part of the Czech Republic, known as the Sudentenland, which was mainly populated by ethnic Germans. Prime Minister Neville Chamberlain was thought to have submitted to Hitler’s demands too easily, but in reality, he bought precious time.
In an earlier post I commented on the desperate weakness of the RAF at the time of the Czech crisis. In 1938, Chamberlain realized the failure of the then Secretary of State for Air, Lord Swinton, to press quickly enough for expansion of the Royal Air Force, and replaced him with Sir Kingsley Wood. Immediate plans to establish new factories and extend existing ones to produce aircraft, aero-engines and other components were put into action. This was known as the ‘Shadow Scheme’ and the factories ‘shadow factories’. This was not to imply that the plants so created were covert, or that they were disguised (although they were all subject to appropriate camouflage schemes when war broke out), but that they were ‘shadowing’ an existing aeronautical company, and learning how to produce their products. Large scale Government grants and cheap loans saw to it that nine new plants were set up and many existing companies expanded; the intent was to treble aircraft production. It became obvious that plants producing motor vehicles were the easiest to convert to aircraft production; it also seemed that their management were best suited to run the new shadow factories. Industrial magnates such as Lord Austin (Herbert Austin, 1st Baron Austin, KBE) and Lord Nuffield who owned large car plants were encouraged to participate. Indeed, Lord Nuffield (William Richard Morris, 1st Viscount Nuffield GBE, CH) was given the new factory at Castle Bromwich, and told to produce 1,000 Spitfires a year! (Needless to say, there were huge problems with this).
Ford had a redundant assembly plant in Trafford Park, Manchester, which had been shuttered since 1931, and welcomed the chance to participate in the scheme. As well, in 1941, they were handed a brand new £6.6 million plant close by; they were told to build Rolls-Royce Merlins – lots of them! At the time, this engine was in the vast majority of British fighters and bombers, including the two which had just won the Battle of Britain, the Vickers-Supermarine Spitfire and the Hawker Hurricane. Other aircraft powered by the Merlin included the De Havilland Mosquito, certain marks of the Handley-Page Halifax, Bristol Beaufighter, and Vickers Wellington, the Fairey Fulmar, Fairey Battle, and the superb Avro Lancaster bomber, built in their nearby Chadderton and Newton Heath facilities.
Ford re-drew the blue-prints for the Merlin, making it more suitable for mass production, and by 1944, over 400 engines a week were flowing out of the plants. Sir Stanley Hooker, later to be Chief Engineer of Rolls-Royce, characterised them as ‘damn good engines’. The final total, from June, 1941 to March, 1946, came to 30,428. This was only 2,000 less than the main Rolls-Royce plant at Nightingale Road, Derby (although there were several other plants producing Merlins in the U.K.). In the U.S.A., the Packard Motor Car Company built 55,523 Merlins under licence, and these were fitted to Lancaster III bombers, Canadian and Australian built Mosquito aircraft, and most famously, the North American P-51 Mustang, transforming this fighter.
Here we see the very last Ford-built Merlin produced at Trafford Park, Manchester and according to the brass plaque affixed to it, rebuilt by company apprentices. It is a Mark 24, capable of producing 1,610 hp at 3,000 rpm, and is on display in the Museum of Science and Industry, Manchester. The Merlin 24 was used in Avro Lancaster I and VII, Avro York I and Handley Page Halifax II aircraft.
The shadow factory system worked so well, that it was also applied to tanks, small arms, shells, and even petrol cans! The 10,000 plus men and over 7,000 women who worked at Fords in Manchester producing the war-winning Merlin engine could be proud of their achievement. It is, however, a strange fact that almost every aircraft enthusiast has heard of a Packard-built Merlin, yet the ‘Ford Merlin’, with a total production close 60% of Packard’s, is almost unheard of! By the way, the blue-painted fixture the Merlin is mounted in is an original assembly jig, allowing the engine to be rotated during the building process.
As an aside, The People’s Mosquito Ltd will be looking to obtain two Rolls-Royce Merlins for their restoration project to put a de Havilland Mosquito back into British skies!
https://www.peoplesmosquito.org.uk
bit.ly/TPMClub
bit.ly/TPMTheBuzz
3 comments on “The WW2 ‘Shadow Factory’ system – Ford-built Merlin engine, MSI”
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Excellent report, and on such a unheralded yet significant part of the war effort.
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Reblogged this on Calgary Recreational and Ultralight Flying Club (CRUFC).
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Indeed so, Frank! Old Henry agreed to the initial $130,000,000 order for Merlins and then killed it. He was starting to become more irrational (he had a series of strokes before his death in 1947). As I said, Packard did a great job of producing 55,523 Merlins (the first V-1650-1 ran in August, 1941) and they went into the Mosquito, Lancaster B.III, P-51 and Spitfire XVI. The servicing echelons of the Lancaster squadrons LOVED the B.III, because EVERY Merlin engine came with its own, magnificent, US-built tool kit, complete with the special plug spanner (sparkplug wrench = USA) which was like ‘gold dust’ on the front-line RAF units! Coming from about 45 miles away from Manchester, it has always amazed me that so little was said about Ford’s great effort at Trafford Park, Manchester in producing the Merlin. It’s possible that the Manchester management just told Dearborn that it was a case of ‘force majeure’ on the part of the British Government!
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