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Jacobs R-830

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was 831 cu in (13.6 L), takeoff power was around 285 hp (212 kW). The engine features steel
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is a seven-cylinder, air-cooled, radial engine for aircraft manufactured in the United States by the
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2 valves per cylinder (pushrod-actuated); sodium cooled exhaust valves
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With a 95: 186: 1278: 518: 447: 171:Waco YOC-1 ZQC-6 ZGC-7 Custom Cabins 139:Beechcraft B17B and C17B Staggerwing 1260:US military gas turbine aeroengines 13: 418:World Encyclopedia of Aero Engines 14: 1307: 432: 291:Direct drive, right hand tractor 409: 127: 393: 384: 295: 90:Jacobs Aircraft Engine Company 41:Jacobs Aircraft Engine Company 1: 1286:1930s aircraft piston engines 372: 246: 16:285 hp radial aircraft engine 1265:Piston engine configurations 7: 326: 10: 1312: 402:Retrieved: 31 January 2009 355:Armstrong Siddeley Cheetah 1247: 1227: 1209: 1186: 1108: 860: 687: 634: 606: 556: 484: 21: 377: 367:List of aircraft engines 1296:Jacobs aircraft engines 1231:W-configuration inline) 560:H-configuration inline) 548:piston aircraft engine 198:General characteristics 176:Waco ZVN-8 Custom Cabin 1211:VG (inverted-V inline) 636:L (single-bank inline) 608:IV (inverted-V inline) 546:United States military 322:0.55 hp/lb (0.9 kW/kg) 96:Design and development 1188:V (inverted-V inline) 318:Power-to-weight ratio 92:, beginning in 1935. 1110:V (upright-V inline) 187:Specifications (L-5) 181:Waco ZPF-6 and ZPF-7 160:Spartan 7X Executive 120:with aluminum-alloy 390:Gunston 1989, p.85. 332:Related development 150:Fleetwings Sea Bird 144:Fleet 50J Freighter 550:designation system 349:Comparable engines 233:831 cu in (13.6 L) 1273: 1272: 512: 511: 309:Compression ratio 267:NA-R7A carburetor 78: 77: 1303: 539: 532: 525: 516: 515: 478:aircraft engines 468: 461: 454: 445: 444: 403: 397: 391: 388: 162:(prototype only) 146:(prototype only) 69: 57: 19: 18: 1311: 1310: 1306: 1305: 1304: 1302: 1301: 1300: 1276: 1275: 1274: 1269: 1243: 1230: 1223: 1205: 1182: 1104: 856: 683: 630: 602: 559: 552: 543: 513: 508: 480: 472: 435: 430: 416:Gunston, Bill. 412: 407: 406: 398: 394: 389: 385: 380: 375: 329: 298: 280:Cooling system: 249: 242:515 lb (234 kg) 224:5.0 in (127 mm) 215:5.5 in (140 mm) 200: 189: 130: 98: 67: 55: 17: 12: 11: 5: 1309: 1299: 1298: 1293: 1288: 1271: 1270: 1268: 1267: 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579: 576: 574: 571: 569: 566: 565: 563: 561: 558:H (four-bank 555: 551: 547: 540: 535: 533: 528: 526: 521: 520: 517: 505: 502: 500: 497: 495: 492: 491: 489: 487: 483: 479: 476: 469: 464: 462: 457: 455: 450: 449: 446: 440: 437: 436: 427: 426:1-85260-163-9 423: 419: 415: 414: 401: 396: 387: 383: 368: 365: 364: 363: 362: 361:Related lists 356: 353: 352: 351: 350: 344: 341: 339: 336: 335: 334: 333: 321: 319: 315: 312: 310: 306: 303: 302:Power output: 300: 299: 290: 288: 284: 281: 278: 276: 272: 269: 266: 263: 260: 257: 255: 251: 250: 241: 239: 235: 232: 230: 226: 223: 221: 217: 214: 212: 208: 205: 202: 201: 195: 193: 182: 179: 177: 174: 172: 169: 167: 164: 161: 158: 156: 153: 151: 148: 145: 142: 140: 137: 135: 132: 131: 125: 123: 119: 115: 111: 107: 103: 93: 91: 87: 83: 74: 71: 66: 65: 62: 59: 54: 53: 49: 46: 45: 42: 39: 37:Manufacturer 36: 35: 32: 31:Radial engine 29: 26: 25: 20: 1251: 964: 498: 417: 410:Bibliography 395: 386: 360: 359: 348: 347: 343:Jacobs R-915 338:Jacobs R-755 331: 330: 316: 307: 301: 285: 279: 270: 262:Fuel system: 261: 252: 236: 229:Displacement 227: 218: 209: 203: 191: 190: 155:Howard DGA-9 128:Applications 114:displacement 99: 85: 82:Jacobs R-830 81: 79: 73:Jacobs R-915 61:Jacobs R-755 689:O (opposed) 296:Performance 1280:Categories 1201:V-1650 (L) 1163:V-1650 (P) 885:R-370 (LB) 862:R (radial) 373:References 282:Air-cooled 271:Fuel type: 254:Valvetrain 247:Components 238:Dry weight 47:First run 1252:See also: 915:R-540 (K) 910:R-540 (W) 890:R-370 (K) 832:O-540 (L) 827:O-540 (F) 792:O-360 (L) 787:O-360 (C) 757:O-200 (F) 752:O-200 (C) 504:R-915/L-6 499:R-830/L-5 494:R-755/L-4 265:Stromberg 192:Data from 118:cylinders 400:FAA TCDS 327:See also 194:FAA TCDS 1219:VG-1410 1100:XR-7755 626:IV-2220 621:IV-2040 616:IV-1430 593:XH-3730 588:XH-3130 583:XH-2600 578:XH-2470 573:XH-2240 1255:X-1800 1239:W-2779 1178:V-3420 1173:V-1950 1168:V-1710 1158:V-1570 1153:V-1560 1148:V-1510 1143:V-1460 1138:V-1440 1133:V-1400 1128:V-1237 1123:V-1150 1095:R-4360 1090:R-4090 1085:R-3350 1080:R-2800 1075:R-2600 1070:R-2180 1065:R-2160 1060:R-2060 1055:R-2000 1050:R-1860 1045:R-1830 1040:R-1820 1035:R-1750 1030:R-1690 1025:R-1670 1020:R-1640 1015:R-1535 1010:R-1510 1005:R-1454 1000:R-1340 995:R-1300 990:R-1044 980:DR-980 852:O-1230 598:H-4070 568:H-1640 475:Jacobs 424:  275:octane 220:Stroke 110:stroke 22:R-830 1196:V-770 1118:V-720 985:R-985 975:R-975 970:R-915 965:R-830 960:R-790 955:R-760 950:R-755 945:R-720 940:R-680 935:R-670 930:R-600 925:R-550 920:R-545 905:R-500 900:R-440 895:R-420 880:R-270 875:R-265 870:R-250 847:O-805 842:O-580 837:O-550 822:O-520 817:O-480 812:O-470 807:O-435 802:O-425 797:O-405 782:O-335 777:O-300 772:O-290 767:O-235 762:O-205 747:O-190 742:O-180 737:O-175 732:O-170 727:O-150 722:O-145 717:O-100 679:L-825 674:L-510 669:L-440 664:L-410 659:L-390 654:L-375 649:L-365 644:L-330 378:Notes 204:Type: 102:R-755 50:1935 27:Type 712:O-90 707:O-45 702:O-40 697:O-15 422:ISBN 211:Bore 108:and 106:bore 80:The 313:6:1 273:73 86:L-5 84:or 1282:: 124:. 538:e 531:t 524:v 467:e 460:t 453:v 320:: 311:: 289:: 256:: 240:: 231:: 222:: 213::

Index

Radial engine
Jacobs Aircraft Engine Company
Jacobs R-755
Jacobs R-915
Jacobs Aircraft Engine Company
R-755
bore
stroke
displacement
cylinders
cylinder heads
Beechcraft Model 18B & S18B Expeditor
Beechcraft B17B and C17B Staggerwing
Fleet 50J Freighter
Fleetwings Sea Bird
Howard DGA-9
Spartan 7X Executive
Waco ZKC-S, ZKS-6 & 7 Standard Cabins
Waco YOC-1 ZQC-6 ZGC-7 Custom Cabins
Waco ZVN-8 Custom Cabin
Waco ZPF-6 and ZPF-7
Bore
Stroke
Displacement
Dry weight
Valvetrain
Stromberg
octane
Reduction gear
Compression ratio

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