From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Monthly log of vehicle oil consumption, tracking mileage and oil added to calculate MPG.
Identifier | ExFiles\Box 142\3\ scan0053 | |
Date | 9th December 1936 guessed | |
1204 Re: Oil Consumption. - - - - - - - - 3-AZ-38 - Ph. 111. - - - - - - - - AUGUST. Speedo reading. oil added. 1060. 1 qrt. 1121. 1 qrt. 1740. 4 qrts. 2303. 2 qrts. Miles for month - 1367 to 2 galls of oil = 683.5 m.p.g. SEPTEMBER. 2838. 2 qrts. 3227. 3 pts. During this month we carried out a test 3673. 2 qrts. over 668 miles and added 3 pints to bring 3860. 2 qrts. the oil to its level = 1776 m.p.g. 4534. 3 qrts. 4760. 1 qrt. Miles for month - 2473 to 2 galls 3 qrts 1 pt. = 909 m.p.g. OCTOBER. 4816. 1pt. 5743. 1 qrt. 5773. 1 qrt. 5956. 2 qrts. 6146. 1 qrt. 6384. 1 qrt. 6815. 1 qrt. 7123. 2 qrts. Miles for month - 2454 to 2 galls 1 qrt 1pt. = 1032 m.p.g. NOVEMBER. 7263. 1 qrt. 7464. 1 qrt. 7722. 1 qrt. 8003. 1 qrt. 8176. 1 qrt. 8421. 2 qrts. 8926. 2 qrts. 9647. 2 qrts. Miles for month 2564. to 2 galls 3 qrts of oil = 932 m.p.g. | ||