Pocketbook of Useful Formulæ and Memoranda
for Civil and Mechanical Engineers

Forfatter: Guilford L. Molesworth

Sider: 744

UDK: 600 (093)

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Side af 764 Forrige Næste
240 moleswobth’ö pocket-book Life of Rolling Stock—continued. . VALUE AT GROSS AFTEK 30 YEARS. Engine, 3277.; tender, 63/.; total, 390/. Average train mileage per engine per year 20,000, AVEBAGE OF 12 PRINCIPAL ENGLISH LINES . (engine). No. of engines per mile worked, -78. 1 rain mileage per engine per annum, 18,272. Bunning expenses per train mile, 5d‘56. n ’’ , n engine per annum, 426Z. Kepairs and renewals per train mile, 3d-29. ‘ ,T ”... ” per engine per annum, 249L Money life per engine, 10 years. locomotive expenses peb tbain mile. General charges ......................q.a Bunning expensea—Wages .. .. 2'12 Coal .. ,.2‘72 Water .. .. -23 Oil and tallow ‘43 ,, • j ----- 55 Itepairs and renewals—Labour .. 1-55 Materials.. 1’75 ---- 3'3 Total .. 9-2 Repairs akd Renewals of Cabriage and Wac.gov Stock- Carriages. Waggons. Average cost per vehicle per annum Per cent, per annum on cost . .. Cost per train mile .. . . '' Total life in years____________ Mean money life in years ,. . £22. 1U 0-68d. 18 8i £4 IOS. «1 1-6 18 16