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Aviation History
1956
1956 - 1011.PDF
FLIGHT, 27 July 1956 THE HERALD ADVANCES . . . WEIGHTS, PERFORMANCE AND LEADING DATA PRESENTED on this and the following page are: (1) a-•- performance summary, based on the measured results of prototype tests; (2) an estimated weight analysis for the produc-tion aircraft; (3) payload-range data; (4) a selection of graphs to illustrate cost, payload-range, take-off and rate of climb. A tableof leading particulars appears also on the next page. PERFORMANCE SUMMARY (July, 1»S«) 157 Take-off, MO level, 37,500 Ib:— Ground run Total distance to 50ft, four engines Balanced field length Climb gradient, u/c down, oneairscrew auco-windmilling Take-off speedRate of climb, flaps and u/c up Climb, rated power, T7.5O0 Ib:— Rate of climb at sea level (Time to 10,000ft 10 min) Rate of climb at 15,000ftService ceiling Absolute ceiling Landing, MO level, 37,500 Ib, 10 deg descent gradient:— Stalling speed Approach speed (1.3 Ys) ..: Touch-down speed Distance from 50ft Ground run Total distance from 50ft Level (peed at 36,000 Ib, I.S.A. conditions, four engine*:— Sea level 10000ft 15.000ft I.S.A. 565 yd 701 yd 976 yd 4.78 per cent 86.5 kt e.a.s.1,37Oft/min 4 eng. 3 eng. 980ft/min 470ft/min 440ft/min —19,900ft 13.000ft 21,600ft 14,600ft 70 kt e.a.s. 91 kt e.a.s. 84 kt e.a.s. 300 yd 449 yd 749 yd Max. weak mix. T.A.S. 161 kt 186 kt 192 kt« I.S.A. + MdegC 734 yd 893 yd 1.238 yd 2.94 per cent 86.5 kt e.a.s. 1,055ft/min 4 eng. 3 eng. 760ft/min 2B0ft/min 80ft/min —14,800ft 8,000ft 16,200ft 9.600ft 70 kt e.a.s. 91 kt e.a.s. 84 kt e.a.s. 313 yd 497 yd 810 yd Max. cont. power T.A.S. 193 kt 214 ktt205 kt • 195 kt at 13,350ft. 1216 kt at 8.100ft. 44 PASSENGERS t.F.R I.F.R. V.F.R. f44 PASSENGERS VFR. ESTIMATED WEIGHT ANALYSIS 36-eeat production Herald Mainplane Fuselage Tail unit Landing gear Nacelle structure and fairing Total Structure Engines (Leonides Major) Mountings, cowlings, air intakes, etc. Engine cooling system Exhausts, accessories, etc Airscrews, including spinners and controls ... Total Powerplant Permanent fuel tanks and supports Fuel system Oil tanks, supports and system Residual fuel and oil Total Fuel and Oil Hydraulics Electrics Flying controls Total Airframe Service* Instruments Anti-icing system Fire precautions Total Airframe Equipment Air conditioning Soundproofing Flight crew furnishings Fixed Furnishings Total Empty Weight (all versions) Radio Partitions, decorations, passenger furnishings (Galley and equipment ! Toilet I Baggage Miscellaneous furnishings Seats in passenger cabin Passenger service items Emergency items Katie Operational Weight Flight crew and baggage Stewardess and baggage Total Crew Basic Equipped Weight Maximum payload Maximum Zero Fuel Weight Minimum fuel and oil Maximum Take-off Weight 37.5M Ib 4,365 2.986 987 1.625830 19,793 4.920 752 175 7001.175 7,m 204 190 535 230 1.159 435 1,397 364 »,1*6 203 292 192 •87 411 127 105 643 21.M8 430 482 110 122 30 20 684 108 55 25,241 374 165 51* 35,788 10.100 35.SW 1.620 Growweight par cent 11.64 7.97 2.63 4.332.21 28.78 13.12 2.00 .47 1.87 3.13 .54 .51 1.43 .61 109 1.16 3.73 .97 5.86 .54 .78.51 1.81 1.10 .34 .28 1.72 61.87 1.15 1.28 .29.33 .08 .05 1.82 .29 .15 67.31 1.00 .44 1.44 68.75 26.93 95.68 4.32 1M.M 100 200 3O0 400 5OO 6O0 700 800 900 _io STAGE LENGTH (n.m.) § Pence per passenger mile yersus stage-length, assuming 3/)00 hr annual utilization, calculated according to the S.B.A.C. Standard Method. Payload yersus stage-length, shown for I.F.R andV.F.R. fuel allowances, *Q assuming ISA. conditions, still-air, and cruising at 50 per cent M.E.T.O. power. -10 o *8 i —».L-—, —*— V.FR "< --I.F.R. ^ "^^^ •^ . 300 4O0 500 600 700 STAGE LENGTH (n.m.) PAYLOAD—ItANGE Maximum payloaa Range with maximum payload Payload for 500 n.m. Payload with full tanks Range with full tanks Ultimate range, zero payload, full tanks Mean cruising speed ( at mean 36.000 tb Mean fuel consumption I weight 5.000ft 10,100 Ib 243 n.m. 8,900 Ib 6,395 Ib 1,048 n.m. 1,106 n.m. 154 kt 103 gal/hr 10.100 Ib 225 nun. 8,740 Ib o,3°5 Ib 967 n.m. 1,003 n.m. 173 kt 125 gof/hr 10.000ft 10,100 Ib 234 n.m. 8,9001b 6,395 Ib 1,061 n.m. 1,135 n.m. 158 kt 103 gal/hr 10,100 Ib 21 f n.m. 8,690 1b 6,395 Ib 956 n.m. 993 n.m. 186 kt 132 ool/hr 15,000ft 10,100 Ib 215 n.m. 8,800 Ib 6,395 Ib 1,064 n.m. 1,167 n.m. 158 kt 102 gal/hr 10,100 Ib 209 n.m. 8,710 Ib 6.395 Ib V99 1,043 n.m. 192 kt 132 ool/hr Note: The above table is for the 36-s«at.r version, with normal 700 Imp gal tankage Figure, include fuel allowance (or take**, dim., cruiM. and d««nt; those in italics are for max. weak mixture power, the others for 50 per cent M.E.T.O. power (370 h.p.).
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