. American engineer and railroad journal . 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 bo
. American engineer and railroad journal . 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 inventors are also working in the samefield, and the English papers have contained sundry para-graphs, within the last few months, concerning a fjying 30 THE RAILROAD AND [January, Xa-►Ju Q< s (A OS o 1— o oo o-J 5: Q 33 O o7. a:H 7. Vol. LXVI, No. I.] ENGINEERING JOURNAL. 31 machine some 45 ft. across, in the form of a baf, which is 1lieing built in Coventry for Major Moore, of India. It isto be driven liy an electric motor, hut the descriptions do 1not make it clear whether this is to be by l)catinjj wings ior with lixed wings, as in an The cost in-curred is staled at over !?5ooo, and tlie trial is to takeplace at the Crystal Talace. Should this lake place in itime, it will be noticed, as well as the great ap])aralus Inow being completed by Mr. Maxim, when we come todiscuss aeroplanes. AN ERECTING SHOP INTERIOR. Tui. accompanying large engraving is from a photo-graph showing the interior of the new erecting shop ofthe Baldwin Locomotive Works in Philadelphia, and gives is used for lifting small loads under 100 lbs. Tiiis isoperated by a Wenstrom motor, series-wound andreversible, which is con
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
