Review of reviews and world's work . s speed somewhat. his latestbiplane, which holds the endurance record ofthree and a quarter hours, Farman has dis-pensed with vertical panels in both the mainplanes and the tail. A MOTOR WITH REVOLVING CYLINDERS. The use of a revolving-cylinder air-cooledmotor (which weighs only three pounds tothe horsepower), because of the gyrostatic ef-fect of its spinning cylinders, seems to givethis machine a considerable amount of sta-bility, while because of its high horsepower,with a relatively light weight, the large bi-plane upon which Farman uses it is speedyand


Review of reviews and world's work . s speed somewhat. his latestbiplane, which holds the endurance record ofthree and a quarter hours, Farman has dis-pensed with vertical panels in both the mainplanes and the tail. A MOTOR WITH REVOLVING CYLINDERS. The use of a revolving-cylinder air-cooledmotor (which weighs only three pounds tothe horsepower), because of the gyrostatic ef-fect of its spinning cylinders, seems to givethis machine a considerable amount of sta-bility, while because of its high horsepower,with a relatively light weight, the large bi-plane upon which Farman uses it is speedyand has great weight-carrying capacity. Atthe wonderful aviation meeting at Reims,France, in the last week of August, Farmancarried two passengers once around the course in 10 minutes 39 seconds at anaverage speed of 35 miles an hour. MONOPLANE MODELS. While dealing wnth the foreign machinesit will be well to describe the are five different models of aeroplanesof this type making flights abroad at the pres-.


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