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).
Cylinder bore dimension measurements after a 10,000-mile road test.
| Identifier | ExFiles\Box 83\4\ scan0130 | |
| Date | 21th January 1936 | |
| -Unit No B.18- -CYLINDER BORE DIMENSIONS.- CYLINDER BLOCK: EX.18393 - 1/c. *AFTER 10,000 MILES ROAD TEST DRAWING SIZE OF BORE = 3.005+.1. TABLE OF MEASUREMENTS: Headers: CYL.S, WHEN MEASURED, CROWN (AA{D. Abbot-Anderson}, BB, OVALITY), CENTRE (AA{D. Abbot-Anderson}, BB, OVALITY), MOUTH. (AA{D. Abbot-Anderson}, BB, OVALITY.) Cylinder 1: *, 3.5009, 3.5025, .0016, 3.502, 3.5017, .0003, 3.5011, 3.5005, .0006. Cylinder 2: *, 3.5012, 3.5026, .0014, 3.5014, 3.5021, .0007, 3.5014, 3.5002, .0012. Cylinder 3: *, 3.5008, 3.5027, .0019, 3.5016, 3.5021, .0005, 3.5012, 3.5002, .001. Cylinder 4: *, 3.5009, 3.5023, .0014, 3.5014, 3.502, .0006, 3.5013, 3.5002, .0011 Cylinder 5: *, 3.5013, 3.5022, .0009, 3.5016, 3.5024, .0008, 3.5016, 3.5003, .0013. Cylinder 6: *, 3.5013, 3.5022, .0009, 3.5017, 3.5019, .0002, 3.5011, 3.5003, .0008 DIAGRAMS: Cylinder cross-section labels: CROWN, CENTRE, MOUTH, .500", .500, 3.800" Bore measurement axes labels: A, B, AA{D. Abbot-Anderson} AT RT/ ANGLES To C'SHAFT., BB PARALLEL To C'SHAFT. | ||