Rolls-Royce Merlin 66
Sources used:
http://www.spitfiresociety.demon.co.uk/engines.htm
www.reference.com
http://www.jshawmsc.f2s.com/merlin.htm
http://www.bookrags.com/wiki/Rolls-Royce_Merlin
http://www.spitfireart.com/merlin_engines.html
author's archive
Manufacturer: | Rolls-Royce Limited, Crewe, Derby, Hillington, Glasgow and Ford Motor Co. Ltd, Trafford Park, Manchester Packard Motor Co., Detroit, Michigan, USA | |
Manufactured: | 1944 - 1945 | |
Manufactured / Number built: | 6,396 + unknown number of Packard | |
Cylinder Arrangement / Basic Design: | V-fork twelve cylinder (60°) with reducer (2.095 gears) | |
Cooling: | liquid (70/30% water/glycol mixture) | |
Displacement / Capacity (dm3): | 27,021 | |
Cylinder Bore (mm): | 137.16 | |
Stroke (mm): | 152,43 | |
Compression ratio: | 6.0 : 1 | |
Fuel mixture preparation / Carburation or injection: | Bendix Stromberg 8D/44/1 carburetor | |
Fuel: | Octane No. 100 | |
Valves / Valve gear: | OHC (2 intake and 2 exhaust per cylinder) | |
Cylinder charging / Mixture charging: | Supercharged by two-stage, two-speed centrifugal compressor / Two-stage, two-speed gearbox | |
Length / Length (mm): | 2 253 | |
Width (mm): | 780 | |
Height / Height (mm): | 1 016 | |
Weight / Weight (kg): | 746,2 | |
Power / Ratings (hp): | 1,315 at take-off speed of 3,000 rpm and a filling pressure of 1,841 hPa 1,705 v h= 1,660 m at 3,000 rpm (2nd second gear) 1 580 in h= 4 877 m at 3 000 rpm (second gear and second speed) | |
Note: | - Compressed air was cooled in the intercooler, thus increasing engine power. - This Merlin had a larger first stage compressor wheel, which increased engine power at lower flight levels 1,720 hp (1,283 kW) at 5,790 ft (1,765 m) using +18 psi boost (124 kPa gauge; or an absolute pressure of 225 kPa or 2.2 atm); low-altitude version of Merlin 61. Fitted with a Bendix-Stromberg anti-g carburettor |
Use: | Spitfire LF Mk.VIII, LF Mk.IXC and LF Mk.IXE . |
Sources used:
http://www.spitfiresociety.demon.co.uk/engines.htm
www.reference.com
http://www.jshawmsc.f2s.com/merlin.htm
http://www.bookrags.com/wiki/Rolls-Royce_Merlin
http://www.spitfireart.com/merlin_engines.html
author's archive