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Aviation History
1947
1947 - 1491.PDF
SEPTEMBER 4TH, 1947 FLIGHT 251 PISTON ENGINES Cjmpiled by " Flight." Copyright) —- Maker's Engine Type Alvis : Leonides 501 ... Armstrong Siddeley : Cheetah 15 and 25. Blackburn : Cirrus Minor II ^ Cirrus Major 111 Bombardier ... Musketeer ... Grenadier Bristol : Sercules 101 ... Hercules 120 ... Hercules 630 ... Hercules 230 and 730. Centaurus XVIII, 57, 58 and 59. Centaurus XXs Centaurus 130 and 630 De Havilland : Gipsy Major 10 Gipsy Major 30 Gipsy Major 50 Gipsy Queen 30 Gipsy Queen 50 Gipsy Queen 70 Jameson Mon'aco Napier : Sabre VA Sabre VII Nuffield : ... Rolls-Royce : *1erlin 140 ... ^*"'iin 500 ... Merlin 600, 620, 621. Griffon 57 Griffon 74 ... Griffon 88 ... Griffon 121 ... Eagle c **^ A CC < Ey 9 R 7 R 4 IL 4 1L 4 IL 6tL 6 IL I4_R 14 R 14 R 14 R 18 R 2 K 18 R I8R 4 IL 4 1L 4 IL 6IL 6IL 6 IL 4 HO 4 HO Flat 24 H horiz. 24 H horiz. 4 HO 12 V 12 V 12 V 12 V 12 V 12 V 12 V 24 H 1 o A A A A A A A A A A A A A A A A A A A A A A L L A L L L L t. I L L lorex Stroke in 4.80 4.41 5.25 x 5.5 3.93 x 4.99 4.72 x 5.51 — — 5.75 x 6.5 5.75 x 6.5 5.75 X 6.5 5.75 x 6.55.75 x 7.0 5.75 x 7.0 5.75 > 7.0 4.64 x C C|3.3 I 4.74 x C OfU3.7VO 4.74 x 5.906 4.74 x 5.7UO4.74 x 5.906 4.74 x 5.906 4.125 x 3.75 4.375 x 3.625 S.Ox 4.75 5.0x 4.75 4.375 x3.875 5.4 x 6.0 5.4 x 6.0 5.4 < 60 6.0 x 6.6 6.0 x 66 6.0 x 6.6 6.0 x 6.6 5 4 ••' 5.125 dty' litres 11.78 13.67 3.99 6.33 — — 38.7 38.7 38.7 38.7 53.6 107.2 53.6 6.12 6.78 6.78 10.18 10.18 10.18 3.28 3.6 36.7 36.7 3.82 27 27 27 36.7 36.7 36.7 36.7 46 Reduc- tion Gear Ratio 0.5 : 1 0.625 : 1 0.732 : 1 Drct. Drct. Drct. Drct. — 0.444 : 1 0.444 : 1 0.444 : 1 0.444 : 1 0.444 : 1 0.400: 1 0.400 : 1 Drct. Drct. Drct. Drct. Drct. 0.711 : 1 0.619 : 1 Drct. 0.274 ; 1 0.274 : 1 Drct. 0.512 : 1 0.420 : 1 0.420 :1 \0.471 :l J 0.4423 : 1 0.451 : 1 0.4423 : 1 0.442 : 1 0.299 : 1 Max b.h.p. 515 405 100 155 180 26$ 300 M.S. 1,800 F.S. 1,625 M.S. 1,800 F.S. 1,465 1,795 2,055 M.S.2,840 F.S.2,610 M.S.5,160 F.S.4,630 2,660 145 160 197 250 295 345 110 100 M.S.2,615 M.S.3,055 F.5.2.760 100 M.S.1,780 1,980 F.S. 1,650 1,830 M.S.1,635 F.S.1,510 M.S.1,780 F.S. 1.655 M.S.2,005 F.S.1,830 M.S.2,100 F.S.2,140 M.S/5,03'5 2.3E0 F.S. 1,820 2,120 L.S.2,440M.S.2,300 F.S.2,085 M.S.3.500 F.S.3,020 Power Rating r.p.m. 3,000 2,425 2,600 2,450 „- — — 2,800 2,800 2,800 2,800 2,800 2,800 2,700 2,700 2,700 2,700 2,700 2,550 2,500 2,500 2,500 2,500 2,830 3,300 2,800 3,850 3,850 3,850 2,600 3,000 3,000 3,000 3,000 3,000 3,0002,750 2,750 2,750 2,750 2,750 2,750 2,750 2.7502,750 3,500 3,500 Boost Ib sq in 6.5 2.75 _ — — — 8.25 8.25 7.5 7.5 7.5 12.0 11.5 11.5 9.5 9.5 10.75 — — 5 — — + 6 ._ 15 17.25 17.25 _ 20 25* 20 25* 18 18 20 2018 18 18.5 25 18 25* 18 25*25* 25*25* 21 21 ht. (ft) 5,000 4,000 S.L. S.L. S.L. SL. — 9,000 19,500 6,000 23,000 7,250 3,500 750 14,250 4 030 16,750 4,000 S.L. S.L. S.L. S.L. S.L. 7,750 S.L. S.L. 2,500 2,250 12,500 S.L. 4.500 S.L.16,750 13,000 2,250 9,250 4.S0O 16,7501,500 9,750 S.L. 9,250 7,000 1,250 21,000 16,0006,000 15,75023,000 3,250 15,250 Recommended Cruising b.h.p. 340 260 81 125 — M.S.1,215 F.S.1,125 M.S. 1,230 F.S. 1,090 1,330 1,305 M.S. 1,790 F.S. 1,640 M.S.3.580 F.S.3,280 1.805 115 118 120 181 180 265 90 85 890 900 70 M.S. 1.200 F.S.1,185 M.S. 1.080 F.S.1,015 M.S.I,180 F.S.1,165M.S. 1,390 F.S.I,195 M.S. 1.315 F.S. 1,244 M.S. 1,305 F.S.1,215 L.S.1,313 M.S. 1,253F.S. 1,165 M.S.2,320 F.S.2.180 r.p.m. 2.600 2,100 2,200 2,100 _ 2,400 2,400 2,400 2,400 2,400 2,400 2,400 2,400 2,400 2,400 2,400 2,300 2,100 2,100 2,100 2,100 2,400 2,250 2,420 2,500 2,500 2,300 2,650 2,850 2,650 2,650 2,650 2,8502,400 2,400 2.400 2.4C0 2,400 2,400 2.400 2,4007,400 3,100 3.100 Economical Power Boost Ib sq in 0 0 — — — 2.5 2.5 • 2 2 3.25 3.5 2.5 2.5 2.5 2.5 3.25 — — J -2 1 + 2 _ + .5 -!• .5 9 9 7 7 9 9 9 9 7 7 7 7 7 77 9 9 ht. (ft) 11,000 S.L. S.L. S.L. S.L. S.L. — 12,250 21,000 10,750 25,250 9,250 11,500 11,000 21,500 11,000 21,500 9.5C0 5,000 3,500 11.500 3,500 12,000 7,750 S.L. 11,500 11,750 10,250 23,750 8,750 15^00 10.500 23,7506,505 12,750 7.750 18,750 12,250 25.000 16.250 24,00031,750 10,750 70.000 Ik ike-o f owe r 1-^ 505 420 475 100 145 — ,675 ,715 ,690 2,000 2,825 5,000 2.600 145 160 197 250 295 345 110 100 2,310 3,000 100 1,725 1,610 1,725 2,450 2, ICO ',935 1,900 1.415 Fuel Con- sump- tion R.E.C.P. G.P.H. 21 15.8 ' 4.9 8.0 _ — 73 1 71 / 71 \ 70 /77 77 107 \105 / 214 210 104 8 7.5 8 12 M.S . 17 4.78 4.9 56.7 55.7 4.25 79 •> J89 71.5 •» 71 / 76 8488 86 84.5 85.5 86 91 90 94?8 157 161 $ — Q 760 780 805 234 333 _ — ^045 ,025 .905 ,060 ,780 .870 ,980 312 340 410 510 560 660 280 230 ,490 ,540 ,780 .540 1,740 2,020 2,090 2,150 2,150 4,220 Notes Accessories on engine or gear DOX. Max. W.M. con- smpts. (or R.E.C.P. Major II, lower compression ratio. Underhead cam- shafts and fuel injection. Supercharged. R.E.C.P. for all power units is Max. W.M. •tigh cruisint altitude. Civil unit (R.E.C.P. foi Wayfarer a/c special case). Military Unit 23C Civil 730. Water/Methano! for T.O. anci max. power. Two coupled 57s (without water' methanol). Military Unit 130 Civil 630 Supercharged. Supercharged. Supercharged. Best specific consumpt. stated. Mk. VII with water/ methanol. 2-speed, 2-stage, contra-rot. air- screw. 2-speed, l-stage, Max. cont. cruising powerfor R.E.C.P. 2-speed, 2-stagc. Contra-rot- air- fcrew. Water/ et ano . Contra-rot. air- screw. Contra-rot. air* screw. Sleeve valves. Contra-rot. air- screw. Abbreviations :—Cylinder Arrangements, R = Radial, IL = Inverted in line, *|.-, L - Liquid. Supercharging, L.S. = Low, M.S. = Medium, F.S. = Fully staje centrifugal. I Ann = Annular combustion chamber. * H.O. = Horizontally opposed, H = H-form layout, V =•-- Vee-form layout. Cooling, A=» or High, S.L. = Sea level. Cas Turbines, Compressors, IA = Single stage axial, IC = SingU = 100/150 grade fuel.
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