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).
Oil temperature test report for a 1929 Chevrolet, comparing the standard system with a 'B.P.W.' installation.
| Identifier | ExFiles\Box 135\3\ scan0092 | |
| Date | 18th August 1929 | |
| 18. OIL TEMPERATURE TEST CAR USED - Chevrolet 1929 - 6 cy. Coach No. 711902. MILEAGE - 2,140. OIL - Fresh Mobile "A". AIR TEMPERATURE - 72 - 80. DRIVING SPEED - 45. m.p.h. DATE - 18 August 1929. OIL TEMPERATURE WITH STANDARD CHEVROLET SYSTEM MILE-AGE | TEMP TOP | TEMP MIDDLE | TEMP BOTTOM | OIL PRESS | TIME 5 | | | 133 | 13 | ':23 10 | | | 161 | 12 | 15 | | | 174 | 11 | 20 | | | 179 | 10 | 25 | | | 179 | 10 | 30 | | (188obs 190corr) | 181† | 10 | 35 | 192 | | 183* | 10 | 2.35 40 | | | 184 | 10 | OIL TEMPERATURE WITH "B.P.W." INSTALLATION MILE-AGE | TEMP TOP | TEMP MIDDLE | TEMP BOTTOM | OIL PRESS | TIME 5 | | | *3 156° | 12 | 4.07 10 | | | 171° | 11 | 15 | | | 176° | 11 | 20 | | | 179° | 10 | 25 | | | 180° | 10 | 30 | | 193° | 180† | 10 | 35 | 198° | | 181*5 | 10 | 4:28 40 | | | 182 | 10 | *1 *2 Assumed Values *4 *5 *3 Oil Warm Start Second Test Observers R.C.Darnell R.T.White. SUMMARY TEMP DIFFERENCE IN DEGREES Top - 6°+ Bottom 2°+ Middle - 3°+ Oil Press O | ||