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 dimensions and wear measurements for unit BEN.80.No 1.
Identifier | ExFiles\Box 124\1\ scan0023 | |
Date | 23th February 1939 | |
UNIT Nº BEN.80.No 1. PASSED TO TEST:- 9.12.38 COMPLETED TEST:- 23.2.39 CYLINDER BORE DIMENSIONS CYLINDER BLOCK EB.3950 MATL 1/C RUNNING TIME:- 68 HRS. (18 HRS 50 MINS F.T) MILEAGE:- MEASUREMENTS AT CROWN REPRESENT MAX. WEAR AT TOP OF STROKE TABLE DATA: BORE Nº 7: POSITION A-A: CROWN BEFORE 3.5016, CENTRE BEFORE 3.4998, MOUTH BEFORE 3.5012 POSITION B-B: CROWN BEFORE 3.5010, CENTRE AFTER 3.5004, MOUTH BEFORE 3.5012 OVALITY: CROWN WEAR .0006, CENTRE WEAR .0006, MOUTH WEAR NIL. BORE Nº 8: POSITION A-A: CROWN BEFORE 3.5012, CENTRE BEFORE 3.4998, MOUTH BEFORE 3.5016 POSITION B-B: CROWN BEFORE 3.5015, CENTRE AFTER 3.5004, MOUTH BEFORE 3.5012 OVALITY: CROWN WEAR .0003, CENTRE WEAR .0006, MOUTH WEAR .0004 BORE Nº 3: All fields empty. BORE Nº 4: All fields empty. BORE Nº 5: All fields empty. BORE Nº 6: All fields empty. | ||