Ledeboer, John H. (John Henry), 1883-1930 · London : [s.n] · leaf 21
May 12, 1915. AERONAUTICS … Thrust — 1,200 lb. Bore- 5 in. THE 160 H.P. CURTISS MOTOR Propeller — 9. 1 by 6 ft. Speed— 250- 1 500 r. p.m . Petrol 14 gals. p.h. at 1,200 Net weight -550 lb. Oil used — A gal. per hour. of the lower half of the crank-case. Any surplus of oil r.p.m. Width, bolthole centres, 9 Length on bed 38 in.…