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Aviation History
1922
1922 - 0242.PDF
APRIL 27, 192s side a container with drinking water. There only remains the push button by the side of each seat for summoning the waiter, but possibly these will come in due course. While on the subject of the cabin, it is of interest to mention that the view, considering that the machine has twin engines, is exceptionally good, owing to the fact that the engines are mounted fairly high in the gap, and forward of the leading edge of the lower plane. Thus the view laterally is far less restricted than one would expect in a twin-engined machine. The lavatory is placed at the after-end of the cabin, and the door arrangement of it is one of the neatest we have seen. When the machine is on the ground and the outer door open, the lavatory door closes back and shuts off only a small triangle of the lavatory, while, when the machine is in the air and the outer door is closed, the door closes the end of the cabin and the lavatory extends right across the fuselage. The Undercarriage In the main, the undercarriage is similar to that of the W.8, consisting of two Palmer wheels on each side, strutted to the lower longeron of the fuselage and to the interplane and engine struts respectively by telescopic tubes. The rear " legs " of the Vees are braced by a diagonal tube. Thus each undercarriage consists of two wheels and five struts. The whole looks very simple and strong, and is probably of as low resistance as it is possible to get an undercarriage with four wheels. Universal joints are incorporated in the struts wherever movement occurs, so that in case of the machine being slightly listed, or one wheel striking a rut, the framework can " give." The tail skid is a substantial ash member, with an easily renewable metal shoe of the shape shown in one of our sketches. Such features of the machine as wing plan and arrangement, tail planes, etc., were shown in the scale drawings published in our issue of January 19, 1922, and as they are of orthodox design they do not call for any special reference here. The machine is, of course, a biplane, with the lower plane set at View inside cabin of Handley Page W.8 B. The following figures, obtained on tests at Cricklewood by the makers, may, however, be regarded as approximately correct. Maximum speed, 104 m.p.h. ; landing speed, 50 m.p.h. ; maximum speed at 5,000 ft., 101 m.p.h. ; ground rate of climb, 550 ft. per minute ; service ceiling, 10,000 ft. SOME DETAILS OF THE HANDLEY PAGE W.8 B : 1, Mounting of petrol tanks on top plane. 2, Sketch showing one of the petrol tanks. 3, The metal shoe on the tail skid. 4, Diagrammatic view of port engine mounting. 5, Details of mounting of balanced ailerons. a large dihedral angle, and has a monoplane tail of very characteristic outline, especially as regards fin and rudder. The tail plane is of the trimming type, and is operated by a handle mounted on the starboard side of the pilot's cockpit. As already mentioned, the first of the W.8B's, the G—EBBG, is going to Martlesham for type tests. Official performance figures are not, therefore, available as yet. The weight of the machine empty is 7,200 lbs., and the total loaded weight, 12,000 lbs. The load is composed as follows : Petrol for 3£ hours (137 gallons), 1,000 lbs (normally the machine would use approximately 100 gallons on the tnp, leaving a safe margin for emergency) ; oil (10 gallons), 100 lbs.; pilot, 160 lbs. ; 12 passengers at 180 lbs.", 2,160 lbs. ; and approximately, 12J cwt. of cargo, 1,380 lbs. 242
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