Blueprints and required parts for a modified Bentley shock damper piston.
| Identifier | ExFiles\Box 87\3\ scan0169 | |
| Date | 1st December 1937 | |
| HPS. {Horace Percy Smith - Experimental Factory Mgr} c. Rm. {William Robotham - Chief Engineer} c. Rm {William Robotham - Chief Engineer} /Les. 242 BY {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} 16/G.1.12.37. BENTLEY - RE: SHOCK DAMPERS. Please receive herewith two blueprints of S.CD.229 Modified Shock Damper Piston, together with blue-prints of the following :- Ex.S.307 Damper Piston - 3 prints. Ex.S.308 Spring 2 " Ex.S.309 Spring Ring 2 " Ex.S.310 Valve 2 " Ex.S.311 Washer. 2 " to be used in connection with the above the following standard parts will be required :- K.4450 Plain Washer 2 off. KB.1803 Rivet 2 off. It is not intended to make a pattern for Ex.S.307, but to use an existing Armstrong damper piston to their drawing No.477-Z as a pattern. Kindly instruct one set of the above. Ald {F. Allwood - Experimental Design} BY {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} | ||
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).