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).
Instructions for shock damper settings and parts on the Bentley 3½ litre chassis.
| Identifier | ExFiles\Box 87\3\ scan0107 | |
| Date | 12th September 1933 | |
| c. Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux} X242. BY/HEB{H. Biraben}4/M.12.9.33. BENTLEY 3½ LITRE CHASSIS. REAR SHOCK DAMPER SEC:7150. FRONT AXLE CONTROL DAMPER SEC:7160. Further to memo' BY/HEB{H. Biraben}2/M.3.6.33, please note that the Ball Pin loads for the above Chassis are to be as follows.- SEC:7150.- 80 lbs. High and Low Pressure, with no Valve Leak. SEC:7160.- 80 lbs. High and Low Pressure, with .010 Washer under Valve, to provide a definite leak. The following new part has been detailed, please receive herewith two/Blue Prints of:- F.B.723 Valve for Shock Damper. 2 off,Sec:7150, 2 off,Sec:7160,) replacing F.85238.) The following existing piece will also be required on Sec:7160 only.- F.85240 Valve Washer. 2 off, ADDITIONAL. Please instruct for Experimental Chassis as required, noting that in accordance with Hs{Lord Ernest Hives - Chair}/GWH{George W. Hancock - Head Chateauroux}'s instructions this is BY/HEB.{H. Biraben} | ||