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 a B.3 Unit cylinder block after 16,922 miles.
| Identifier | ExFiles\Box 82\5\ scan0189 | |
| Date | 19th December 1936 guessed | |
| B.3 UNIT CYL. BORE DIMENSIONS CYLINDER BLOCK EB. 2929. 1/c MEASURED AFTER 16,922 MILES IN FRANCE PRODUCED BY MIDLAND CYLINDER CO BRINELL 205-214 TABLE DATA HEADINGS: Nº, POSITION, CROWN (BEFORE, AFTER, WEAR), CENTRE (BEFORE, AFTER, WEAR), MOUTH (BEFORE, AFTER, WEAR) No 1: POSITION AA{D. Abbot-Anderson}: CROWN(3.5017, 3.5027, .001), CENTRE(3.5019, 3.502, .0001), MOUTH(3.5014, 3.5019, .0005) POSITION BB: CROWN(3.5016, 3.5038, .0022), CENTRE(3.5018, 3.5027, .0009), MOUTH(3.5018, 3.5018, NIL) POSITION OVALITY: CROWN(.0001, .0011, +.001), CENTRE(.0001, .0007, +.0006), MOUTH(.0004, .0001, -.0003) No 2: POSITION AA{D. Abbot-Anderson}: CROWN(3.5017, 3.503, .0013), CENTRE(3.5016, 3.5016, NIL), MOUTH(3.5005, 3.5013, .0008) POSITION BB: CROWN(3.5016, 3.5032, .0016), CENTRE(3.5017, 3.5022, .0005), MOUTH(3.5023, 3.5023, NIL) POSITION OVALITY: CROWN(.0001, .0002, +.0001), CENTRE(.0001, .0006, +.0005), MOUTH(.0018, .001, -.0008) No 3: POSITION AA{D. Abbot-Anderson}: CROWN(3.5017, 3.5027, .001), CENTRE(3.5018, 3.502, .0002), MOUTH(3.501, 3.502, .001) POSITION BB: CROWN(3.5017, 3.5034, .0017), CENTRE(3.5023, 3.5029, .0006), MOUTH(3.504, 3.5024, NIL) POSITION OVALITY: CROWN(NIL, .0007, +.0007), CENTRE(.0005, .0009, +.0004), MOUTH(.0014, .0004, -.001) No 4: POSITION AA{D. Abbot-Anderson}: CROWN(3.5017, 3.5025, .0008), CENTRE(3.5017, 3.5018, .0001), MOUTH(3.5011, 3.5018, .0007) POSITION BB: CROWN(3.5016, 3.5034, .0018), CENTRE(3.5021, 3.5029, .0008), MOUTH(3.5019, 3.5019, NIL) POSITION OVALITY: CROWN(.0001, .0009, +.0008), CENTRE(.0004, .0011, +.0007), MOUTH(.0008, .0001, +.0007) No 5: POSITION AA{D. Abbot-Anderson}: CROWN(3.5017, 3.5025, .0008), CENTRE(3.5017, 3.5018, .0001), MOUTH(3.5007, 3.5015, .0008) POSITION BB: CROWN(3.5016, 3.5027, .0011), CENTRE(3.502, 3.5026, .0006), MOUTH(3.502, 3.5019, -.0001) POSITION OVALITY: CROWN(.0001, .0002, +.0001), CENTRE(.0003, .0008, +.0005), MOUTH(.0013, .0004, -.0009) No 6: POSITION AA{D. Abbot-Anderson}: CROWN(3.5014, 3.5023, .0009), CENTRE(3.5015, 3.5018, .0003), MOUTH(3.5007, 3.5011, .0004) POSITION BB: CROWN(3.5012, 3.5022, .001), CENTRE(3.5014, 3.5019, .0005), MOUTH(3.5012, 3.5016, .0004) POSITION OVALITY: CROWN(.0002, .0001, -.0001), CENTRE(.0001, .0001, NIL), MOUTH(.0005, .0005, NIL) | ||