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Aviation History
1920
1920 - 0969.PDF
AIR MINISTRY COMPETITIONS, 1920 TABLE OF DATA REGARDING THE LARGE AND SMALL AEROPLANES, ARRANGED ALPHABETICALLY IN EACH CLASS w Name Horse power Area sq. ft. 75 Weight in lbs. Total i-S 05 4-> 2K •a* y J-. (3 IH O *-• l)u O Useful load 3, Fuel used in 7 hours cruising Total W G (a) Speed in m.p.h. Cruising (6) - o (c) enh 60" II Lbs. per h.p. Total Useful load -E2 Lbs. per sq. ft. Large Aeroplanes H Central Aircraft " Centaur " Handley Page, "^8" " Vickers-Vimy- Commercial " '•'h Austin " Kestrel" Avro Triplane . Bristol Sopwith '' Antelope " Westland " Six- Seater " -2-160 Beardmore 2—450 Napier " Lion " 2-350 Rolls-Royce " Eagle " i 160 Beardrnore 230 Siddeley " Puma " 230 Siddeley " Puma" 200 Wolseley His- pano " Viper " 450 Napier " Lion ' 354 atr.p.m. 1,008 at r.p.m. 1,250 2,200 704 at 1,800 r.p.m. 177 atr.p.m. 245 atr.p.m. 245 atr.p.m. 8g5 x.456 1.335 4 7 7 ,996 ,850 ,79O 5.840 9.843 9,257 7 11 11 ,250 • 443 .057 7 12 11 .250 ,500 .057 7- 12, 12, 250 500 500 i,2ro (d) 1,400 1,618 1,600 1,210 (d) •2.675 1,600 2,860 210 at r.p.m. 504 at r.p.m. Small Aeroplanes 1.250 1,400 1,400 2,000 2,2OO 417 498 566 531 726 1,966 2,460 2,654 2,387 3.823 2,321 3.O64 3.I9O 2,817 4.559 2,721 3.683 3.59O 3.217 5-559 2, 3. 3. 3. 5. 740 683 59i 35O 852 2,740 3,666 3.59° 3.350 3.45° I) 5.850 200 181 (g)419 397 (*) 200 • 200 800840 (m) 219 200 (g)419 402 (A)380 w200 333 433 I) 1.133(m) 1,131(h) 148-5 II 15*9 -5 279 9 288 240 12-75 252-75 294 (/) 355 37 67-275 i°5 4'5 109-5 85 5-i8' 90-18 88-58(6) 70-5 7-125 77-625 83-75(0 128 3 131- 7-6 (d) 9-2 6-3 9-7 61 84 80 63 88 84 89 • 119 103 48 55 5O 0 74 26 281 263 308 20 • 11 • 15- 48 35 7i 20 12 15 17 •48 •40 •71 •75f) 3 1 2 •42 (d) •60 •27 3-42 (d) 2-65 2 -27 4-06 8- 7- 8- 10 86 28 3-o (#) 3'7 3-5W 2-2 2-4 (A) 4-3 ()8-6 (h) 81 79 82 80 86 84 no 96 108 no 118 45 49 43 23 244 239 314 188 235 15-37 15-03 14-65 15-32 11-03 1548 14-96 14-65' 15-95 1643 (I)11 -6-1 I-O2 1-62 -82 •95 1-67 i-1 a •82 1-59 2-O6 6-5: 7 39 6-34 2-24 6-06 7-66 8-58 8-28 6-57 6-34 631 6-49 [I)8-o6 Explanatory Notes ' \ The reference letters shown on the table refer to the figures directly above them :—(a) Weight of useful load carried on reliability trial divided by the gallons of fuel consumed— given to the nearest figure in the first place of decimals. The useful load is obtained by deducting from the total weight of the machine, as on the test, its weight with fuel for 450 miles at 80 m.p.h. but without load, and a weight of 200 lbs. to represent the pilot and his gear. (6) Shown to the nearest mile, (c) Shown to the nearest foot, (d) This machine carried only enough fuel for 315 miles at 63 m.p.h. These figures are not therefore comparable with the similar figures for the other machines, (e) Includes an allowance of 218 lbs. for excess fuel carrisd. (/) These figures show the estimated results if the machine had been loaded up to the full certificate weight for the reliability trial, (g) Includes a deduction of 19 lbs. for short fuel carried, (h) Corrected to certificate of airworthiness weight, (t) Includes a deduction of 22 lbs. for short fuel carried, (k) Actual duration of reliability test was 7 hours 5 minutes. These figures are corrected to 7 hours. (/) These figures show the estimate results if the machine had been loaded up to the full certificate weight, which was increased by loolbs. after the reliability test had been carried out. (w) Includes an allowance of 40 lbs. for excess fuel carried.
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