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 and recommendation sheet for a Borg & Beck clutch for an experimental vehicle type.
Identifier | ExFiles\Box 130\3\ scan0071 | |
Date | 27th March 1939 | |
FORM G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 8/B. BORG & BECK CLUTCHES. BORG & BECK COMPANY, LTD. TACHBROOK ROAD, LEAMINGTON SPA, WARWICKSHIRE. Index MAKE OF VEHICLE: Rolls-Royce TYPE: Experimental No. MODEL YEAR SERIAL No. Date: 27.3.39 SPECIFICATION. Weight Total Loaded Weight of Vehicle Pay Load Engine Make of Model Class (Petrol or Diesel) Bore Stroke Number Cylinders Torque Maximum: 260 Lbs., Ft., and at 1750 Revs. Max. Revs. of Engine 5000 Flywheel Weight Outside Diameter Radius of Gyration Engine Mounting If Engine is Flexibly mounted and Articulates round Crankshaft Axis state Maximum Amount of movement at 2ft. Radius Gear Box Make: R.R. Model Unit or Independent Construction: Unit Actuation Ratio of Disengaging Leverage: 8.85/1 Method of Actuation: Manual If Automatic Type Drawings Customer Installation Drawings attached Nos. and Description Remarks: Data obtained BORG & BECK COMPANY'S RECOMMENDATIONS. Type: 11-C.F. Spec. No.: BB.472 Release Bearing Customer Spline: 1 1/4" x 10 Disc: Standard Spring Special Yellow Springs Wt. Designated: 150/155 lbs. (Red) Quantity: 9 Drawings and Installation: 23000 (with B&B Plate) Actuation Recommendations Dates Made: 27th March, 1939. Cuy/iggs Remarks: Release bearing pressure = 310 lbs. Does not take into account Centrifugal build up. CWH/EFB AUTOMOTIVE DIVISION. | ||