. American engineer and railroad journal . Fig. 23.—TROUVE^iSyo. This motor is evidently very simple and very light, andfor a practical flying machine M. Troitve proposes tosubstitute for the cartridges a supply of compressedhydrogen gas, which, when mixed with about three partsof air, becomes an explosive mixture to be fired by theelectric spark. Thus the motor would derive the greaterportion of its power direct from the atmosphere as wanted,there would be no danger of premature explosion as withfulminates, and, hydrogen being only Ix the weight of air,the weight and the equilibrium of the ap
. American engineer and railroad journal . Fig. 23.—TROUVE^iSyo. This motor is evidently very simple and very light, andfor a practical flying machine M. Troitve proposes tosubstitute for the cartridges a supply of compressedhydrogen gas, which, when mixed with about three partsof air, becomes an explosive mixture to be fired by theelectric spark. Thus the motor would derive the greaterportion of its power direct from the atmosphere as wanted,there would be no danger of premature explosion as withfulminates, and, hydrogen being only Ix the weight of air,the weight and the equilibrium of the apparatus wouldvary but little when supplies became exhausted. More-. FiG. 24.—STARTING TROUVfiS BIRD, over, it is probable that no cooling agent would be re-quired, as m ordinary gas engines, because the tube ex-])Oses so great a surface that it is to be expected that theheat would pass into the air while under motion, and that,as there is no piston to be lubricated, a moderate heatingwould not prove objectionable. M. Trouvi started out with the assumption tliat amotor for aerial navigation should not w^eigh over 8 the horse power. He presented to the French Academyof Sciences, in 1886. an electric motor, weighing but per horse power, working an aerial screw, which willbe more fully noticed when this subject is treated, and 24 last (1891) he deposited with the same body asealed letter containing the drawings and description ofan aeroplane and screws, which, he confidently believes,provide a final solution for the problem of aerial naviga-tion, and which will also be noticed under the head ofAeroplanes. Meanwhile other invento
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
