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Aviation History
1926
1926 - 0354.PDF
MAY 27, 1926 THE BLACKBURN " SPRAT " : In order to accommodate pilots of different height, the foot bars are made adjustable, the means of adjustment being such that the cables are always maintained at an even tension. On the right a sketch showing a typical cowling clip with locking device. Item Weights We have been able to obtain from the Blackburn companya very full schedule of item weights, which should be of interest. The weights are as follows :— Structure Float or land undercarriage Fuselage (seats, floors and flotation bags) Chassis Engine mountings, cowls, etc. Tail skid Flight controls Main planes Tail unit Total structure weight .. .. 1,457 (41 1,127 (35 per cent.) per cent.) The weight of the power unit is, of course, the same for the seaplane and the landplane, and is made up as follows : Engine (dry), 725 lbs. ; water in engine, 25 lbs. ; radiator and water, 160 lbs. ; propeller, 50 lbs. ; engine accessories and piping, 90 lbs. ; gas starter, 65 lbs. Total weight of engine unit, 1,115 lbs. This represents a percentage weight of 31 -4 for the seaplane and 34-65 for the landplane. Seaplane lbs.380 290 80 8012 65 480 70 Landplane lbs.130 290 — 8012 65480 70 The items connected with the fuel, tanks, etc., are also identical for both types, and are as follows : Fuel (56 gallons), 425 lbs. ; oil (4 gallons), 40 lbs. ; water (1£ gallons), 15 lbs ; fuel tanks, 60 lbs. ; oil tank, 10 lbs. ; water tanks, 6 lbs. Total, 556 lbs., which represents 15-7 per cent, in the case of the seaplane and 17-25 per cent, for the landplane. The following military load is carried in both types of machine : Crew (2), 360 lbs. ; instruments, 55 lbs. ; Very pistol and 12 cartridges, 7 lbs. Total, 422 lbs., or 11-9 per cent, of the total loaded weight of the seaplane and 13-1 per cent, of the landplane. The total loaded weight of the seaplane is 3,500 lbs., and of the landplane 3,220 lbs. Performance Following are the estimated performances of the machine in its two forms :—- Seaplane Landplane . . 98 knots 100 knots . . 95 knots 100 knots .. 937ft./min. 1,100 ft./ min. 6£ mins. 5J mins. 16 mins. 13 mins. .. 15,700 ft. 17,500 ft. . . 40 knots 39 knots Top speed at sea levelTop speed at 5,000 ft. Climb (sea level) Time to 5,000 ft. Time to 10,000 ft. Service ceiling Landing speed R.A.F. Cairo-Cape-Cairo Flight THE four R.A.F. Fairey HID biplanes (Napier " Lions ") under Wing-Commander Pulford, resumed the return journey to Cairo on May 20, flying from Mongalla to Malakal. The following day they proceeded to Khartoum, and on May 25 they arrived at Wadi Haifa. The Polar Flights FOLLOWING on Capt. Amundsen's successful Polar flight in the airship " Norge," President Coolidge has sent the following congratulatory message to King Haakon of Norway : " I desire to offer your Majesty and the people of Norway my congratulations on the success which has attended the bold undertaking of this hardy and intrepid descendant of the Vikings. It is a matter of great satisfaction that one of my countrymen should be associated with him in this daring and courageous exploit." He also sent a similar message to the King of Italy. Lieut.-Commander Byrd, who flew over the North Pole in a three-engined Fokker just before Amundsen's similar achievement, and members of his expedition, have left King's Bay for London. It is stated that another expedition is to be organised for a flight over the South Pole. French Long-Distance Flights THE first of a series of long-distance flights planned bythe French Air Department commenced on May 25, when Capt. Pelletier D'Oisy left Villacoublay in a Potez biplane450-h.p. Lorraine Dietrich) on his second aerial trip to Tokyo. This time, accompanied by M. Henri Carol, he will fly via the following stages :—Moscow (1,700 miles), Kurgan (1,250 miles), Krasnoyarsk (1,125 miles), Irkutsk (562 miles), Peking (1,062 miles), Haiju (531 miles), and Tokyo (1,000 milts)—-a total distance of 7,230 miles. A Polish Paris-Tokyo Flight THE Polish pilot, M. Orlinski, left Paris on May 24 with the object of flying to Tokyo via Russia and Siberia. A New York-Buenos Aires Flight SENOR BERNARDO DUGGAN, an Argentine sportsman, left New York on May 24 in a Savoia flying-boat piloted by Capt. E. Oliveiro, and accompanied by Lieut. E. Campanelli (who was Pinedo's engineer in the Rome-Tokyo-Rome flight), with the intention of flying to Buenos Aires, a distance of 5,300 miles. He reached Hampton Roads safely and pro- ceeded next day to Charleston, S. Carolina. Waziristan Clasp to India General Service Medal THE Air Ministry announces :—His Majesty the King has been graciously pleased to command that the India General Service Medal, 1908, in silver, with clasp " Waziristan, 1925," shall be granted for the Royal Air Force operations carried out in Waziristan between March 9-May 1, 1925, under the command of Wing Commander (now Group Captain) R. C. M. Pink, C.B.E., Royal Air Force. Detailed particulars as to the conditions under which the medal and clasp will be awarded, and as to the method in which applications are to be submitted, will be promulgated at a later date. 308
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