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Aviation History
1919
1919 - 1228.PDF
SEPTEMBER II, 1919 f - ^I^Mtfl mwmm^w ** .' ...-.:••• ./„•.-.:* -H ; j 1 11 [ " yJ--'' \ '•;'- H j j s> ^ :*i The Aviatik & passenger- ^ carrier, <^ Type R III fc 55 $5 S Si SS §5 usual to fit two pairs of struts, and generally to strengthen- up this type of machine. The Aviatik firm did this in their next single-seater : The Aviatik, Type D VII which was built in 19T8. The engine fitted in this type was also a 195 h.p. Benz eight-cylmdered Vee, driving a four- bladed airscrew through reduction gearing. Probably owing to the fact that the engine was of the Vee type, and that, therefore, it was difficult in any case to provide a pointed nose to the machine, a front radiator was fitted. The machine is of slightly greater dimensions than the D III, and in a somewhat modified form is intended for use as a sporting biplane, to which reference will be made later. In addition to their single-seaters and two-seaters, the Aviatik firm have also built several large machines (RieSen- flugzeug), illustrations of three of which are published herewith. The Aviatik, Type Go. G VII built in 1918, is a twin-engined machine of the bomber type. It was fitted with two 200 h.p. Benz engines placed on the wings in short engine nacelles. The radiators were in the nose of these nacelles. From the photograph it will be noticed that the two engine nacelles are placed compara tively close to the main fuselage, the nose of which is very short, allowing the tractor airscrew blades to pass in front of it. This arrangement of the engines has brought about a somewhat unusual strutting arrangement, as regards the inner cellule, at any rate. The tail is of the biplane type, with three rudders. The Aviatik, Type R (Riesenflugzeug) was a four-engined machine, following more on the lines of the Staaken type. It was built towards the end of 1918, and was fitted with four Benz engines, the two front ones being of the 200 h.p. six-cylindered type, and the two pushers of the 500 h.p. twelve-cylindered Vee type, fitted with re duction gearing. As will be seen from the photograph, this machine was of very large dimensions, with its engines placed end to end in nacelles between the planes. It had a biplane tail. The Aviatik Commercial Machines For post-War commercial use the Aviatik firm has several types in course of construction. These include machines of 200, 350, 1,000, and 1,500 h.p., the latter types carrying from 18 to 26 passengers. The Aviatik Sporting Machine This, as already mentioned, is a development of the Type D VII. It has a Benz engine (eight-cylindered Vee type) of 240 h.p., and is stated to develop a speed of 192 km./hour at 3.000 m. It is claimed to climb to 6,000 m. in 24 mins., and to have a ceiling of about 7,400 m. The machine, as shown in the accompanying illustration, has a four-bladed airscrew, probably driven through reduction gearing. The following is the specification of the Aviatik sporting machine : Span, 9 m. 66 ; length overall, 6 m. 100 ; height overall, 2 m. 50 ; weight, empty, 745 kg. ; fuel and pilot, 150 kg. ; other load, 50 kg. ; total weight about 945 kg. Sufficient fuel for i£ hours. (About 280-300 km.) For mail and passenger carrying the firm has produced a limousine to be known as The Aviatik, Type F This machine, a sketch of which is published herewith, has the following dimensions ; Span, 15m.; Length overall, 7 m. 90 ; height, 3 m. 100 ; weight empty, 1,050 kg. ; fuel and occupants. 315 kg. ; other load, 250 kg. ; total weight, 1,615 kg. Sufficient fuel is carried for a flight of 3 hours, so that the range is approximately 525 km. The power plane is a twelve-cylindered Vee engine of 300 h.p. The speed is estimated at 175 km./hour at 2,000 m., and climb the 5,000 m. in 35 mins. The ceiling will be about 6,500 m. For Peace-time passenger-carrying the Giant is being adapted as a passenger or mail carrier. This machine. The Aviatik, Type R III is to be fitted with four Benz engines of 250 h.p. each. The specification is as follows : Span, 43 m. 500 ; length overall, 22 m. 500 ; height, 6 m. 500 ; weight empty, 9,000 kg. ; fuel and occupants, 1,800 kg. ; other load, 1,800 kg. ; total weight, 12,600 kg. The crew will consist of one captain, two pilots, two engineers, and one steward. The useful load may consist of 18 passengers with their luggage or of 1,800 kg. of goods. Fuel is carried for a seven-hours flight (about 875 km.). The speed is expected to be about 125 km./hour at 2,500 m. A climb of 3,500 m. in 1 hour 40 mins. is an ticipated, and the ceiling has been estimated at about 4,000 m. All the comfort to which passengers of a railway-coach are accustomed to will be provided. A diagram of the cabin arrangement is published herewith, and shows the seating, etc. Diagram of passenger accommodation, etc., in the Aviatik, Type R III 1230
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