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Lorraine 12F Courlis

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which provided 340 kW (450 hp) from a swept volume of 24.4 L (1,490 cu in). This was followed by the larger 12F, giving 450 kW (600 hp) from 31.7 L (1,930 cu in).
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The 12F was officially homologated on 21 August 1929 and displayed at the 1930 Paris Salon. Unlike the 12E, which powered many different aircraft types, the 12F was not so widely used.
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engine blocks. There were two W-12s which shared the name Courlis (Curlew), the first of them was the
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Steel cylinder in aluminium block; aluminium cylinder head; aluminium pistons; 5 bearing
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450 kW (600 hp) at 2,000 rpm nominal; maximum 490 kW (660 hp)
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with automatic altitude correction and heated inlets; 2 fixed advance
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430 kg (950 lb) without propeller, with Viet starter
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introduced in France in 1929. It was not widely used.
554: 493: 468: 8: 475: 461: 453: 411: 409: 407: 92:In 1926 Lorraine introduced a series of 378: 18: 7: 251:1.062 m (3 ft 5.8 in) 245:1.140 m (3 ft 8.9 in) 239:1.656 m (5 ft 5.2 in) 388:World Encyclopaedia of Aero Engines 233:31.7 L (1,930 cu in) 16:1920s French piston aircraft engine 417:"Le Moteur Lorraine 600 CV (12Fa)" 100:with steel cylinders screwed into 14: 445:(493): 13. 15. 27 November 1930. 439:"Premier regard sur les moteurs" 146:(1924 STAé specification ?) 362:0.34 kg/(kW.h) (0.51 lb/(hp.h)) 594:Lorraine-Dietrich aero-engines 1: 613:1920s aircraft piston engines 427:(1–2): 23. 1–15 January 1930. 66:Homologated 21 August 1929 634: 618:Lorraine aircraft engines 590: 358:Specific fuel consumption 224:160 mm (6.3 in) 215:145 mm (5.7 in) 21: 494:V- and W- piston engines 188:L'Aérophile January 1930 192:General characteristics 165:Nieuport-Delage NiD.623 160:Nieuport-Delage NiD.580 155:Nieuport-Delage NiD.540 386:Gunston, Bill (1989). 313:Centrifugal water pump 88:Design and development 555:Radial piston engines 276:4 valves/cylinder, 3 181:Specifications (12Fa) 74:Lorraine 12F Courlis 368:4.2 kg/h (9.3 lb/h) 278:overhead camshafts 205:four-stroke engine 600: 599: 484:Lorraine-Dietrich 349:Compression ratio 70: 69: 57:Lorraine-Dietrich 625: 477: 470: 463: 454: 447: 446: 435: 429: 428: 413: 402: 401: 383: 366:Oil consumption: 285:2 fuel pumps; 6 43: 19: 633: 632: 628: 627: 626: 624: 623: 622: 603: 602: 601: 596: 586: 550: 489: 481: 451: 450: 437: 436: 432: 415: 414: 405: 398: 385: 384: 380: 375: 338: 311:Cooling system: 267: 194: 183: 140: 118: 102:aluminium alloy 90: 42:National origin 41: 17: 12: 11: 5: 631: 629: 621: 620: 615: 605: 604: 598: 597: 591: 588: 587: 585: 584: 579: 574: 569: 564: 558: 556: 552: 551: 549: 548: 543: 538: 533: 528: 523: 518: 513: 508: 503: 497: 495: 491: 490: 482: 480: 479: 472: 465: 457: 449: 448: 430: 403: 396: 377: 376: 374: 371: 370: 369: 363: 354: 345: 337: 334: 333: 332: 323: 318:Reduction gear 314: 308: 302: 296: 280: 266: 263: 262: 261: 252: 246: 240: 234: 225: 216: 207: 193: 190: 182: 179: 178: 177: 172: 167: 162: 157: 152: 147: 139: 136: 135: 134: 132: 129: 127: 124: 122: 117: 114: 89: 86: 80:(broad arrow) 68: 67: 64: 60: 59: 54: 50: 49: 44: 38: 37: 28: 24: 23: 15: 13: 10: 9: 6: 4: 3: 2: 630: 619: 616: 614: 611: 610: 608: 595: 589: 583: 580: 578: 575: 573: 570: 568: 565: 563: 560: 559: 557: 553: 547: 544: 542: 539: 537: 534: 532: 529: 527: 524: 522: 519: 517: 514: 512: 509: 507: 504: 502: 499: 498: 496: 492: 488: 485: 478: 473: 471: 466: 464: 459: 458: 455: 444: 440: 434: 431: 426: 422: 418: 412: 410: 408: 404: 399: 397:1-85260-163-9 393: 389: 382: 379: 372: 367: 364: 361: 359: 355: 352: 350: 346: 343: 342:Power output: 340: 339: 335: 331: 327: 326:Construction: 324: 321: 319: 315: 312: 309: 306: 303: 300: 297: 295: 291: 288: 284: 281: 279: 275: 273: 269: 268: 264: 259: 257: 253: 250: 247: 244: 241: 238: 235: 232: 230: 226: 223: 221: 217: 214: 212: 208: 206: 203: 200:Water-cooled 199: 196: 195: 191: 189: 187: 180: 176: 173: 171: 168: 166: 163: 161: 158: 156: 153: 151: 148: 145: 142: 141: 137: 133: 131:Lorraine 12Fd 130: 128: 126:Lorraine 12Fb 125: 123: 121:Lorraine 12Fa 120: 119: 115: 113: 110: 107: 103: 99: 95: 87: 85: 83: 79: 75: 65: 62: 61: 58: 55: 53:Manufacturer 52: 51: 48: 45: 40: 39: 36: 35:piston engine 33: 30:Water-cooled 29: 26: 25: 20: 536:12Rcr Radium 515: 487:aero engines 442: 433: 424: 420: 387: 381: 365: 356: 347: 341: 325: 316: 310: 304: 298: 290:carburetters 283:Fuel system: 282: 270: 254: 248: 242: 236: 229:Displacement 227: 218: 209: 197: 185: 184: 138:Applications 111: 98:W-12 engines 91: 73: 71: 22:12F Courlis 516:12F Courlis 511:12E Courlis 421:L'Aérophile 336:Performance 305:Oil system: 150:I.A.R. CW-8 144:Hanriot A.3 82:aero engine 607:Categories 592:See also: 582:18F Sirius 541:12R Sterna 531:12H Pétrel 373:References 330:crankshaft 299:Fuel type: 272:Valvetrain 265:Components 256:Dry weight 63:First run 546:18G Orion 526:12Q Eider 443:Les Ailes 186:Data from 175:SAB AB-20 572:9N Algol 567:7M Mizar 322:optional 294:magnetos 170:Potez 50 116:Variants 249:Height: 237:Length: 394:  307:Pumped 301:Petrol 287:Zenith 243:Width: 220:Stroke 76:was a 47:France 198:Type: 27:Type 521:AM-6 392:ISBN 211:Bore 202:W-12 96:and 94:V-12 78:W-12 72:The 32:W-12 577:14A 506:12D 106:12E 609:: 562:5P 501:8B 441:. 425:38 423:. 419:. 406:^ 476:e 469:t 462:v 400:. 360:: 353:6 351:: 320:: 274:: 258:: 231:: 222:: 213::

Index

W-12
piston engine
France
Lorraine-Dietrich
W-12
aero engine
V-12
W-12 engines
aluminium alloy
12E
Hanriot A.3
I.A.R. CW-8
Nieuport-Delage NiD.540
Nieuport-Delage NiD.580
Nieuport-Delage NiD.623
Potez 50
SAB AB-20
W-12
four-stroke engine
Bore
Stroke
Displacement
Dry weight
Valvetrain
overhead camshafts
Zenith
carburetters
magnetos
Reduction gear
crankshaft

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