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Rolls royce merlin motor
- 1. Rolls-Royce Merlin motor JenteVanhoenacker
- 2. Inhoud 1. Rolls-Royce vliegtuigmotoren 2.Ontwikkeling 3. Specificaties en werking 4. Gebruik 5. Varianten
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- 4. Rolls-Royce vliegtuigmotoren • Eerstevliegtuigmotor in 1914 • WOI +50% geallieerde vliegtuigen • Jaren ’20 belangrijkste divisie • Motoren genoemd naar roofvogels • Eagle, Falcon, Hawk Rolls-royce Eagle
- 5. Rolls-Royce vliegtuigmotoren • Kestrell aangepaste versie Eagle • Later Supercharged Peregrine • Vulture: 2 Peregrines met een gemeenschappelijke krukas (X-24 configuratie) Rolls-royce Vulture
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- 7. Ontwikkeling • Begin jaren’30 • Motor met 700+ Pk Rolls-Royce Peregrine • Gerenoveerde versie van de Rolls-Royce Kestrell Rolls-Royce Peregrine
- 8. Ontwikkeling • Eerste versie“Merlin” was PV-12 • Laatste ontwerp van Henry Royce voor zijn dood • Beschouwd als vrij onbetrouwbaar • Eerste geslaagde test in juli 1934 • Eerste vlucht op 21 februari 1935
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- 10. Algemene karakteristieken • V-12(60˚) • Boring: 5,4in (137mm) • Slag: 6,0in (152mm) • Motorinhoud: 1649cu (27l) • Lengte: 88,7in (225mm) • Breedte: 30,8in (78mm) • Hoogte: 40in (102mm) • Droog gewicht: 1,640 lb (744 kg) Rolls-royce Merlin 61
- 11. Componenten • Kleppensysteem: - bovenliggendenokkenas - twee in- en uitlaatkleppen per cilinder • Supercharger • Brandstofsysteem: Twin- choke updraught Rolls- Royce / S.U. carburateur met automatische mengselregeling. Twin onafhankelijke brandstofpompen.
- 12. Componenten • Brandstoftype: 100/130Octaan benzine. • Oliesysteem: droog carter met één drukpomp en twee spoelpompen. • Koelsysteem: 70% water en 30% ethyleenglycol koelmiddelmengsel onder druk. • Supercharger intercooler systeem volledig gescheiden van hoofdkoelsysteem. • Reductie: 0,42: 1 • Achterwaarts geplaatste uitlaat voor meer thrust (ejector exhaust) +70 pk (52kW)
- 13. Prestaties • Geleverd vermogen: -1,290 pk (962 kW) bij 3,000 tr/min tijdens opstijgen - 1,565 pk (1,167 kW) bij 3,000 tr/min op 12,250 ft (3,740 m, MS versnelling) - 1,580 pk (1,178 kW) bij 3,000 tr/min op 23,500 ft (7,200 m, FS versnelling) • Specifiek vermogen: 0.96 pk/cu in (43.6 kW/l) • Compressieverhouding: 6:1 • Brandstofverbruik: Minimum 30 Imp gal/h (136 l/h), maximum 130 Imp gal/h (591 l/h) • Vermogen-gewichtsratio: 0.96 pk/lb (1.58 kW/kg) bij maximum vermogen
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- 16. Gebruik • Verenigd-Koninkrijk • Gevechtsvliegtuig •1 Rolls-Royce Merlin motor • Eerste vlucht in maart 1936 • https://www.youtube.com /watch?v=r- YYIgWnlbg&t=30s Supermarine Spitfire
- 17. Gebruik • Verenigd-Koninkrijk • Gevechtsvliegtuig •1 Rolls-Royce Merlin motor • Eerste vlucht op 12 oktober 1937 Hawker Hurricane
- 18. Gebruik • Verenigde Staten •Gevechtsvliegtuig • 1 Packard V-1650 Merlin motor • Eerste vlucht op 26 oktober 1940 North-American P-51 Mustang
- 19. Gebruik • Verenigd-Koninkrijk • Bommenwerper •4 Rolls-Royce Merlin motoren • Eerste vlucht op 9 januari 1941 Avro Lancaster
- 20. Gebruik • Verenigd-Koninkrijk • Bommenwerper •4 Rolls-Royce Merlin motoren • Eerste vlucht in 1939 Handley Page Halifax
- 21. Gebruik • Verenigd-Koninkrijk • Jachtbommenwerper •2 Rolls-Royce Merlin motoren • Eerste vlucht 25 november 1940 De Havilland Mosquito
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- 23. Varianten Merlin I 890hp (664 kW) at 2,850 rpm First production Merlin; 172 built. Merlin I through III used 100% glycol coolant. Merlin II (RM 1S) 880 hp (656 kW) at 3,000 rpm Used 100% glycol coolant. First production Merlin II delivered 10 August 1937. Merlin III (RM 1S) 880 hp (656 kW) at 3,000 rpm Variant of Merlin II with universal propeller shaft, able to be fitted with de Havilland or Rotol propellers
- 24. Varianten Merlin X (RM 1SM) 1,280hp (954 kW) at 3,000 rpm this was the first production Merlin to use a two-speed supercharger; Used in Halifax Mk.I, Wellington Mk.II, and Whitley Mk.V bombers. First production Merlin X delivered 5 December 1938. Merlin XII (RM 3S) 1,175 hp (876 kW) at 3,000 rpm Coffman cartridge starter. First version of Merlin to use 30/70% glycol/water coolant with reinforced construction, able to use constant boost pressure of up to +12 psi (83 kPa) using 100 octane fuel. First production Merlin XII, 2 September 1939. Merlin XX (RM 3SM) 1,280 hp (954 kW) at 3,000 rpm First production version with two speed supercharger giving boost pressures of up to + 14 psi (97 kPa). First production Merlin XX, 4 July 1940.
- 25. Varianten Merlin 21 1,280hp (954 kW) at 3,000 rpm Merlin XX with direction of coolant flow reversed for Mosquito wing radiator installation Merlin 23 1,390 hp (1,037 kW) at 3,000 rpm Merlin 22 with direction of coolant flow reversed for Mosquito wing radiator installation Merlin 25 1,610 hp (1,201 kW) at 3,000 rpm Merlin 24 with direction of coolant flow reversed for Mosquito wing radiator installation
- 26. Varianten Merlin 28 1,300hp (969 kW) at 3,000 rpm Built by Packard as the V-1650-1 Merlin 29 1,300 hp (969 kW) at 3,000 rpm With splined propeller shaft Merlin 31 1,300 hp (969 kW) at 3,000 rpm Built in the United States as the Packard V-1650-1
- 27. Varianten Merlin 32 (RM5M) 1,620 hp (1,208 kW) at 3,000 rpm A "low altitude" version of Merlin with cropped supercharger impellers for increased power at lower altitudes, as per the Merlin XXX; fitted with a Coffman engine starter; used mainly in Fleet Air Arm aircraft. First production Merlin 32 delivered 17 June 1942. Merlin 33 1,400 hp (1,044 kW) at 3,000 rpm Packard-built Merlin 23 Merlin 38 1,400 hp (1,044 kW) at 3,000 rpm Packard-built Merlin 24
- 28. Varianten Merlin 45 (RM5S) 1,185 hp (884 kW) at 3,000 rpm A variant of the Merlin XX fitted with single-stage, single-speed supercharger for low altitude Spitfire use. First production Merlin 45 delivered 13 January 1941.First of specialised engines for Spitfire Mk V variants and early Seafires. Merlin 45M 1,230 hp (917 kW) at 3,000 rpm Version of Merlin 45 with "cropped" (smaller diameter) supercharger impeller allowing greater boost at low altitudes. Merlin 47 (RM 6S) 1,100 hp (820 kW) at 3,000 rpm Adapted with a Marshall compressor (often called a "blower") to pressurise the cockpit. First production Merlin 47 delivered 2 December 1941.
- 29. Varianten Merlin 50 (RM5S) 1,185 hp (884 kW) at 3,000 rpm Low-altitude version with supercharger impeller "cropped" to 9.5 in (241 mm) in diameter. Merlin 50 series was first to use the Bendix Stromberg "negative-g" carburettor. Merlin 55M 1,230 hp (917 kW) at 3,000 rpm Variant with "cropped" supercharger impellor Merlin 60 1,390 hp (1,037 kW) at 3,000 rpm First variant fitted with two-stage, two-speed supercharger; rated for high altitude.
- 30. Varianten Merlin 61 (RM8SM) 1,280 hp (954 kW) at 3,000 rpm Production variant of Merlin 60 fitted with a new two-speed two-stage supercharger providing increased power at medium to high altitudes. First British production variant to incorporate two-piece cylinder blocks designed by Rolls-Royce for the Packard Merlin. First production Merlin 61 delivered 2 March 1942. Merlin 64 1,280 hp (954 kW) at 3,000 rpm Cabin pressure blower. Merlin 66 (RM 10SM) 1,315 hp (981 kW) at 3,000 rpm Fitted with supercharger rated for low altitude; Bendix- Stromberg anti-g carburettor.
- 31. Varianten Merlin 130/131 2,070 hp (1,544kW) at 3,000 rpm Engine modified to decrease frontal area to a minimum and was the first Merlin series to use down-draught induction systems. Coolant pump moved from the bottom of the engine to the starboard side. Two-speed, two-stage supercharger and S.U. injection carburettor giving a maximum boost of +25 psi (172 kPa). Merlin 620 Capable of emergency rating of 1,795 hp (1,339 kW) at 3,000 rpm using +20 psi (138 kPa) ; civilian engine developed from Merlin 102; two-stage supercharger optimised for medium altitudes, and used an S.U. injection carburettor. The Merlin 620-621 series was designed to operate in the severe climatic conditions encountered on Canadian and long-range North Atlantic air routes.
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