The condition and bore dimensions of six cylinders after a first grind out.
| Identifier | ExFiles\Box 146\3\ scan0110 | |
| Date | 12th October 1936 | |
| CONN: RODS HAVE NO. .031" DIA: HOLE IN SIDE REPORT UPON CONDITION OF CYLINDERS CHASSIS N° B-34 BN. {W.O. Bentley / Mr Barrington} JOB N° 35702. DATE 12-10-36 MILEAGE 27270 Kms. 1ST GRIND OUT ORIGINAL BORES YES. CYLINDER BORE DIMENSIONS NOTE DIM'S "AA {D. Abbot Anderson} " TAKEN AT RT ANGLES TO C' SHAFT. DIM'S "BB" TAKEN PARALLEL TO C' SHAFT. Please refer to attached Key Sheet REF. SR/VA TABLE DATA: CYLINDER 1 MOUTH: (1) AA {D. Abbot Anderson} : 3.25025, BB: 3.250, OVALITY: .00025, WEAR MAXIMUM: .00025; (2) AA {D. Abbot Anderson} : 3.251, BB: 3.25125, OVALITY: .00025, WEAR MAXIMUM: .00125. NEW: 3.250 CENTRE: (3) AA {D. Abbot Anderson} : 3.25175, BB: 3.25275, OVALITY: .001, WEAR MAXIMUM: .00275. NEW: 3.250 CROWN: (4) AA {D. Abbot Anderson} : 3.251, BB: 3.25125, OVALITY: .00025, WEAR MAXIMUM: .00125; (5) AA {D. Abbot Anderson} : 3.253, BB: 3.25325, OVALITY: .00025, WEAR MAXIMUM: .00325. NEW: 3.250 CYLINDER 2 MOUTH: (1) AA {D. Abbot Anderson} : 3.2505, BB: 3.250, OVALITY: .0005, WEAR MAXIMUM: .0005; (2) AA {D. Abbot Anderson} : 3.2505, BB: 3.2515, OVALITY: .001, WEAR MAXIMUM: .0015. NEW: 3.250. CENTRE: (3) AA {D. Abbot Anderson} : 3.2515, BB: 3.253, OVALITY: .0015, WEAR MAXIMUM: .003. NEW: 3.250 CROWN: (4) AA {D. Abbot Anderson} : 3.25075, BB: 3.25225, OVALITY: .0015, WEAR MAXIMUM: .00225; (5) AA {D. Abbot Anderson} : 3.25425, BB: 3.25375, OVALITY: .0005, WEAR MAXIMUM: .00425. NEW: 3.250 CYLINDER 3 MOUTH: (1) AA {D. Abbot Anderson} : 3.250, BB: 3.250, OVALITY: NIL, WEAR MAXIMUM: NIL; (2) AA {D. Abbot Anderson} : 3.251, BB: 3.25125, OVALITY: .00025, WEAR MAXIMUM: .00125. NEW: 3.250 CENTRE: (3) AA {D. Abbot Anderson} : 3.25125, BB: 3.253, OVALITY: .00175, WEAR MAXIMUM: .003. NEW: 3.250 CROWN: (4) AA {D. Abbot Anderson} : 3.251, BB: 3.25275, OVALITY: .00175, WEAR MAXIMUM: .00275; (5) AA {D. Abbot Anderson} : 3.2545, BB: 3.254, OVALITY: .0005, WEAR MAXIMUM: .0045. NEW: 3.250 CYLINDER 4 MOUTH: (1) AA {D. Abbot Anderson} : 3.2505, BB: 3.250, OVALITY: .0005, WEAR MAXIMUM: .0005; (2) AA {D. Abbot Anderson} : 3.25075, BB: 3.25125, OVALITY: .0005, WEAR MAXIMUM: .00125. NEW: 3.250 CENTRE: (3) AA {D. Abbot Anderson} : 3.2515, BB: 3.253, OVALITY: .0015, WEAR MAXIMUM: .003. NEW: 3.250 CROWN: (4) AA {D. Abbot Anderson} : 3.25075, BB: 3.25225, OVALITY: .0015, WEAR MAXIMUM: .00225; (5) AA {D. Abbot Anderson} : 3.25325, BB: 3.254, OVALITY: .00075, WEAR MAXIMUM: .004. NEW: 3.250 CYLINDER 5 MOUTH: (1) AA {D. Abbot Anderson} : 3.2505, BB: 3.250, OVALITY: .0005, WEAR MAXIMUM: .0005; (2) AA {D. Abbot Anderson} : 3.2505, BB: 3.25125, OVALITY: .00075, WEAR MAXIMUM: .00125. NEW: 3.250 CENTRE: (3) AA {D. Abbot Anderson} : 3.25125, BB: 3.25225, OVALITY: .001, WEAR MAXIMUM: .00225. NEW: 3.250 CROWN: (4) AA {D. Abbot Anderson} : 3.2505, BB: 3.252, OVALITY: .0015, WEAR MAXIMUM: .002; (5) AA {D. Abbot Anderson} : 3.25225, BB: 3.251, OVALITY: .00125, WEAR MAXIMUM: .00225. NEW: 3.250 CYLINDER 6 MOUTH: (1) AA {D. Abbot Anderson} : 3.250, BB: 3.250, OVALITY: NIL, WEAR MAXIMUM: NIL; (2) AA {D. Abbot Anderson} : 3.2505, BB: 3.25075, OVALITY: .00025, WEAR MAXIMUM: .00075. NEW: 3.250. CENTRE: (3) AA {D. Abbot Anderson} : 3.25125, BB: 3.252, OVALITY: .00075, WEAR MAXIMUM: .002. NEW: 3.250 CROWN: (4) AA {D. Abbot Anderson} : 3.25075, BB: 3.251, OVALITY: .00025, WEAR MAXIMUM: .001; (5) AA {D. Abbot Anderson} : 3.252, BB: 3.251, OVALITY: .001, WEAR MAXIMUM: .002. NEW: 3.250. NOTE. RECORD CARDS OF CAR STATE. "CYLINDER BORE SIZES" "STANDARD" VA 14/10/36 | ||
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).