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Aviation History
1916
1916 - 0507.PDF
JUNE 15, 1916. of the pilot's seat to the tailplane by a turtle deck, which is readily detachable. Fabric is used for covering the fuselage aft of the engine portion, which is covered with sheet metal. On account of the narrow width of the (/QGHf enabling the engine to be started from the seat The petrol is fed to the engine from a large 6o-gallon tank, which is sufficient for six hours' flight. The landing chassis consists simply of two stout U frames of the same streamline section as the inter, plane struts, and cross-braced with a steel cross member of similar section. Two 26 x 4 in. disc wheels are mounted on a single axle, which is sprung on to the chassis frames by rubber shock absorbers and guided with radius rods. The tail skid is of ash, and is also sprung on with rubber shock absorbers. With the seaplanes the two single step floats, which are of efficient design, are built up of spruce frames with mahogany planking and divided into five water-tight compartments. The Dep. wheel and foot bar type of control is fitted, double-wired throughout with ^a in. steel cable. The following are the complete specifications of all three models:— Two views of the M.F.P. biplane In flight. fuselage—30 inches—and the position of the passenger, well forward, with the pilot weir in back of the planes, both are afforded a good view both forward and down ward. Either a 130 h.p. Hall-Scott or the new 160 h.p. Bournonville is installed in models B 2 and C, but model D is equipped with a special 300 h.p. Duesenberg motor, fitted with electric starter. The engine is mounted on two stout laminated wood engine bearers, directly in front of the passenger and separated from him by a dash, through which a starting crank protrudes, Model « 2. Model C Model D. No. of seats Span— Top ... Bottom ... Chord Gap Area Length Speed range (loaded) .. Weight (empty) ... Useful load... 45 fl 34 ft 5 ft 5f< 10 ins. 4 ins. 3 'ns. 8£ ins. 410 sq. ft. 26 fl. 6 ins. 2 (single or double control) 38 ft. 10 in*. 38 ft. 10 ins. 5 ft. 6 ins. S ft. 8j ins. 392 »q n. 20 ft. 6 IIIS> 2 (single or double control) 38 ft. 38 ft. 5 ft. 6 in*. Sit- (. m». 380 sq. ft. -" R 10 int. 48 to9om.|>.h. 1,370 lbs. 900 lbs. 49 to 95 in.p.h. 60 to 130 ni.p.h. 1,420 11*. 900 lbs. 220 lbs. 1,000 lbs. Three-quirter views of the M.F.P. model B 2 biplane. ® ® ® « Two Useful Books. ... , THAT a fourth edition of " Aero Engines' should have been called for within nine months is sufficient testimony to the excellence of Mr. G. A. Burls's work, which is unique in that it is about the only book which deals with the subject in an adequate manner. The latest edition is practically unaltered from the first, but for those who did not.see the original review in these columns it may be said that the first three chapters deal with the theory and design of motors with special reference to the requirements of aireratt, ana although Mr. Burls goes into the matter thoroughly, he has managed to steer clear of being too mathematical. He then goes on to describe the leading types of horizontal, radial, vee, vertical, and rotary engines. There are over 26 illustrations, including 5 folding plates. The book, which is published by Messrs. Charles Griffin and Co., can be obtained from '' FLIGHT " Office for or., post free. Similarly the excellence of Mr. A. Fage's concise scientific study, which is published in the same series, has called for a second edition. Advantage has been taken of the opportunity to add 1 section to Chapter II dealing with the distribution of pressure around a cylinder and around a streamline body placed in a uniform current of air. One or two of the other chapters have also been rearranged, which makes for greater clearness. The price remains as before, and it can be supplied from this office for bi. (td. post free. Steering bv the Stars. ONE of the great difficulties of night flying is that th< pilot i» deprived of the advantage of seeing prominent landmarks, and So cannot check his bearings. There are, however, the stars to guide him on his way, and those who have to undertake nigh' flying duties will find much useful information on this subject in a little brochure published by Mr. J. D. Potter, of 145, Minories, E.C., entitled "Steering by the Stars." It has been compiled by Mr. J. Dundas White, LL.D., M.P., for the help and guidance of those who have to be in the air, on the road or on the water after dark. It gives sketch maps and directions for finding the selected stars, together with tables of star bearings, &c. It costs one shilling. 507
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