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).
Specification table for various car crankshafts, detailing their parts, dimensions, and features.
| Identifier | ExFiles\Box 6\1\ 01-page159 | |
| Date | 8th May 1929 | |
| R.R. CAR CRANKSHAFTS. COLUMN HEADERS: PART No. DESCRIPTION TYPE OF H'SHAFT SPRING DRIVE W'BEBS. SOME REQ'D.{John DeLooze - Company Secretary} BEV. G'GE ENGINE SCHEME FELSOL STRENGTH WHERE SO (?) LUBRICATED VIA HOLLOW CRANKSHAFT THROW DIAL. OUTER INNER PIN LENGTH PIN WEB WIDTH AXIAL LENGTH OF WEB FEATURES SIDE LABELS: 20 H.P. PHANTOM / GHOST TABLE DATA: ROW 1: PART No.: E 57004 DESCRIPTION: LATE S.O. 70 H.P. DRIVE: KEY & TAPER W'BEBS: PACKARD No.1 REQ'D.{John DeLooze - Company Secretary} BEVELLED ENGINE: ALL CARS. FROM E ENGINE 1. AFTER PIN INSERTED FELSOL: 16,310 THROW: 2.000 / 1.250 PIN LENGTH: 1.700 PIN WEB: 3.000 AXIAL WEB: .750 FEATURES: LUBR. VIA EX'PES I HOLE. DIA OF SHAFT END C'SUNK & REAMED ON PIN SHAFT. ROW 2: PART No.: 58601 DESCRIPTION: L.G. 2477 -> 80 DRIVE: SPLINED 1.50" x 1.100 W'BEBS: BEVELLED ENGINE: 15 W. SINCE H.1400 1-50 SINCE S.3256 & 42 A.F.W. FELSOL: 26,100 THROW: 2.125 / 1.375 PIN LENGTH: 1.800 PIN WEB: 3.000 AXIAL WEB: .828 FEATURES: 1) NEW SPRING DRIVE 2) GEN'L STRENGTHENING 3) LARGER DIA OF PIN 4) AXIAL WEB WIDENED 5) STD SPACING FOR SPRING DRIVE. ROW 3: PART No.: 52660 DESCRIPTION: S.O. 70 H.P. DRIVE: KEY & TAPER W'BEBS: BEVELLED ENGINE: As 58601 THROW: 2.125 / 1.375 PIN LENGTH: 1.700 PIN WEB: 3.000 AXIAL WEB: .725 ROW 4: PART No.: 58603 DESCRIPTION: EXC. TAPER / KEY TAPER OVER STD. 70HP DRIVE: STD. 70HP. W'BEBS: BEVELLED ENGINE: ON A.L. / ON A.L. AC & F THROW: 2.125 / 1.375 PIN LENGTH: 1.875 / 1.750 PIN WEB: 3.250 AXIAL WEB: .725 FEATURES: 1) LARGEST FITS 2) WIDER WEBS ROW 5: PART No.: 83701 DESCRIPTION: PRELIM'Y S.P.D. 70HP DRIVE: KEY TAPER W'BEBS: ON A.L. ENGINE: ALL CARS. FROM 70 B.K. LATER MODIFIED & REPL. THROW: 2.160 / 1.500 PIN LENGTH: 1.750 PIN WEB: 3.000 AXIAL WEB: .775 FEATURES: WIDENED WITH SAME WEBS ROW 6: PART No.: 83703 DESCRIPTION: (WORKS FILLS IN 14.12.15) FUTURE S.P.D. 70 H.P. DRIVE: KEY TAPER & OVER STD. SIZE W'BEBS: BEVELLED ENGINE: As F 8064 FELSOL: 7,850 THROW: 2.125 / 1.125 PIN LENGTH: 1.700 PIN WEB: 3.250 AXIAL WEB: .725 FEATURES: LARGER FILLETS WITH STD. OILING SCHEME. ROW 7: PART No.: 76116 DESCRIPTION: LATE S.P.D. PHANTOM ENG. AS DRIVE: KEY TAPER W'BEBS: ALMOST No.1 REQ'D.{John DeLooze - Company Secretary} ENGINE: ALL CARS. I HOLE. DIA. OF SHAFT E'SUNK. FELSOL: 48,100 / 4.26 THROW: 2.625 / 1.750 PIN LENGTH: 2.125 PIN WEB: 1.850 AXIAL WEB: 3.250 FEATURES: 1.075 ROW 8: PART No.: 76525 DESCRIPTION: CCT. FALL 800-850 CONTINENTAL ENG PHANTOM DRIVE: S.P.D. PH. SPLINED 1.625" x 1.000 W'BEBS: AS 76116. PH B.E.G. ENGINE: INSTEAD OF FELSOL. HOLE S.O. DIA. CRANK JOURNAL 1.050 DIA x .625" FELSOL: 38,810 / 2.98 THROW: 2.625 / 1.750 PIN LENGTH: 1.875 PIN WEB: 2.000 AXIAL WEB: 3.500 FEATURES: 1.000, NEW SPRING DRIVE. GENERAL STRENGTHENING. 3) SMALLEST FILLETS. ROW 9: PART No.: 76875 DESCRIPTION: LCC 7457 DRIVE: SPLINED 1.625" x 1.000 W'BEBS: BEVELLED ENGINE: ALL 78X24 A's. 8x26. KEY JOURNAL FELSOL: 8.68 THROW: 2.625 / 1.875 PIN LENGTH: 2.250 PIN WEB: 1.850 AXIAL WEB: 4.100 FEATURES: 1.000 ROW 10: PART No.: 7724X DESCRIPTION: LATE S.P.D. PH. DRIVE: KEY TAPER W'BEBS: ON A.L. ENGINE: A/c E7X216 FELSOL: 8.89 THROW: 2.625 / 1.875 PIN LENGTH: 2.250 PIN WEB: 1.850 AXIAL WEB: 4.000 FEATURES: 1.075, E7X216 WITH SEAL RETAIL ROW 11: PART No.: 77412 DESCRIPTION: PRESENT S.P.D. PH DRIVE: S.P.D PH W'BEBS: BEVELLED THROW: 2.625 / 1.875 PIN LENGTH: 1.125 ROW 12: PART No.: 78206 DESCRIPTION: L.G. 2101 (21-6-15). 34-3029. P.H. 13 1050 M.C.O to REV. DRIVE: KEY TAPER (OVAL). S.P.D PH. W'BEBS: BEVELLED ON A/C ENGINE: As E78206 FELSOL: 8.68 THROW: 2.625 / 1.875 PIN LENGTH: 1.125 PIN WEB: 1.850 AXIAL WEB: 4.000 FEATURES: 1.000, E76878 WITH STD. OILING A/c G.S. CRANK JOURNAL STICK WASH MATERIAL DISC. BOTTOM RIGHT TEXT: 8 MAY 1929 Tsn 7/5/29 | ||