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Aviation History
1920
1920 - 0272.PDF
Better performances have been obtained as is detailed later, with modifications of the type, but only with sacrifice of load capacity. This is the best or optimistic load—not a design load—which can be carried in this hull, to give good results. For a displacement of 10,000 lbs. and the same flying speed, with one exception all the dimensions can be halved ; but the fore-body length requires to be about 18 ft., i.e., a little more than one-half, to give good results at low speeds. When a hull is loaded to excess, it develops a tendency to MARCH 4, 1920 wallow or nose under at speeds in the neighbourhood of. 10 to13 knots, and it is at these low speeds that the bad effect of loading is mostly felt. At higher speeds the wash thrownup from the chine of the fore-body increases in height with loading and may damage the propeller, if this happens tobe in the line of the divergent wave. The hump speed and flying speed are both increased by loading, and the ratioof lift to resistance for any speed falls a little. To be continued.) V * .>' A NIEUPORT NIGHTHAWK IN INDIA FROM information recently to hand, it appears that the mission sent to India by the Nieuport and General Aeroplane Co. has accomplished good missionary work. Capt. Carroll, one of the Nieuport crack pilots, who was appointed to take charge of the enterprise, realised, soon after landing in India, that his work would be much more effective if he could demonstrate the quality of the Nieuport machines. He there- fore cabled home for a Nighthawk two-seater to be shipped out to him at once, and he arranged to give a_ flying display in connection with the peace celebrations at Bombay on December 15. The machine actually arrived in Bombay on the s.s. Gandara on the morning of Sunday, December 14, the case containing it being swung ashore at once and un- packed. The parts were sent up by motor lorry to the Bombay WilJingdon Club, and the mechanics, who had arrived with'the machine, proceeded at once to the work of erec- tion. By 7 p.m., when work was suspended for the day, the work was nearly finished, and at 1.45 p.m. the next day everything was ready—the unpacking, erecting and rigging of the machine having been completed in 13 working hours. The preliminary test of the 320 h.p. A.B.C. Dragonfly engine having-given satisfactory results, Capt. Carroll took his seat, and at 4.20 p.m. the machine rose from the Willingdon Club grounds. After a few evolutions, the Nighthawk went off in the direction of Bandra, Capt. Carroll releasing a shower of miniature souvenir aeroplanes en route. After his return to Willingdon, Capt. Carroll proceeded to Colaba, flying over the Oval, Fort, Apollo Bunder and the Causeway, causing immense excitement along the route among the great crowd that had turned out to see the flight. On the following Sunday Capt. Carroll took a supply of the Advocate of India from Bombay to Poona, a large number of people congregating on the race-course at the latter place to give him a rousing welcome. He gave a display of aerial aerobatics at Poona in the evening, and returned to Bombay on the following Tuesday. These flights have undoubtedly done a great deal of good in India, not only in demonstrating the airworthiness of the Nieuport 'machines in general and the Nighthawk in par- ticular, but also in demonstrating the practical utility of the aeroplane as a means of transport. <•> <•> AERODROMES AND LANDING GROUNDS THE Air Ministry announces that the following Notice toAirmen (No. 19) has been issued :— The following aerodrome has been added to List B (Service. Stations also available for Civil use) : Aerodrome. Nearest railway station. Nearest town. Northolt .. ». Northolt Junction London. The following aerodrome has been deleted from List B, andis now shown in List D.i :— Aerodrome. Nearest railwaystation. Nearest town. Castle Bromwich .. Castle Bromwich Birmingham. * The following aerodromes have been added to List C -• (Stations temporarily retained for Service purposes) :— It should be assumed that no facilities usually exist at - these stations for dealing with civil aircraft. The aerodromes, ^however, may be considered as emergency landing grounds. Nearest railwayAerodrome. Aldergrove Anglesey (A) .. Barlow (A) Chingford Inchinnan (A and A) Longside (A) Luce Bay (A and A).. station. Aldergrove Llangefni Selby Ponder's End Honston .. Longside Stranraer Nearest town. Antrim. Llangefni. Selby. Chingford. Glasgow. Peterhead. Stranraer. Mullion (A and A) .Pembroke (A and A) Shoreham Tadcaster Helston .. PembrokeShoreham Thorrer . Falmouth.Pembroke. Shoreham-by- Sea.Tadcaster. The following aerodromes have been deleted from List C :— Nearest railway station. Nearest town. Booltham .. Lincoln. Dover .. .. Dover. Driffield .. .. Driffield. Hailing Road .. Thetford. Montrose.. .. Montrose. Northolt Junction London. Epping .. .. Epping. Lincoln .. Lincoln. Hornchurch .. Romforrii Waddington .. Lincoln. References : (A) Airship stations ; (A and A) Airship and aeroplane ; (A and S) Aeroplane and seaplane stations. The following aerodrome has been added to List D.i :— Licenced Civil Aerodromes.Nearest railway Aerodrome. station. Nearest town.Castle Bromwich (X) Castle Bromwich Birmingham. Reference ; (X) No facilities exist at present. Aerodrome. Bracebridge .. Dover (Swingate) Driffield (Eastburn) . Hailing Road Montrose Northolt .. North Weald Bassett Scampton Sutton's Farm Waddington Summer Time in France and Algeria THE Air Ministry has issued the following Notice to Air-men (No. 20):— " Summer time, by which the clock is advanced one hour, came into force in France and Algeria on February 15. " Normal time will be resumed at midnight on October .35-26, or such date as may be notified. " Meteorological forecasts will be issued in France at 8.45 a.m. and 12.30 p.m. (French time), corresponding with 7.45 a.m. and 11.30 a.m. Greenwich Mean Time." Ware Orford Island THE Air Ministry announces that, owing to bomb- clearing operations, that portion of Orford Island lying between the sea and a line of warning notice-boards placed practically parallel to the coast-line and approximately 1,000 yards from it is highly dangerous. All persons are hereby warned that this area should be carefully avoided, and that anyone trespassing thereon does so entirely at his own risk. Retired Naval Officers and R.A.F. Rank APPROVAL has been given for officers of the Royal Navy and Royal Marines, the R.N.R., and the R.N.V.R., who return to naval duty from the R.A.F. ia a lower relative rank from that held in the R.A.F., to be given permission to resume their R.A.F. rank on retirement should they desire to do so. Application in each individual case must be made ' to the Admiralty. The arrangement, now sanctioned in the case of those who return to the Navy in no way affects the assessment of retired pay or gratuity, or of any pay, pension, emolument, or allow- ance payable from naval funds. The Admiralty will still retain the first claim to the services of an officer whose retired pay or gratuity is a charge on naval funds. New French Military Aeronautics Chief GEN. DUMESNIL, who has been appointed Director of Military Aeronautics in France, was originally an artillery officer. He held several important positions during the War, and was promoted to command a brigade in March, 1918. 272
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