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 fitting a 40/50 HP rear damper to a 20/25 HP chassis, including a list of required parts.
| Identifier | ExFiles\Box 105\3\ scan0176 | |
| Date | 8th May 1931 | |
| c. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} 85520. BY/HEB{H. Biraben}12/M.8.5.31. 20/25 HP. CHASSIS. FRONT SHOCK DAMPER SEC:7160. FRONT SPRINGS & FITTINGS SEC:7020. OIL PIPES AND FITTINGS - SEC:7141. FRAMES AND FITTINGS SEC:7000. INSTRUCTIONS FOR FITTING 40/50 HP. REAR DAMPER TO FRONT OF 20/25 HP. CHASSIS. Please receive herewith one Blue Print of each of the following parts.- SEC:7160.- F.57909 Main Lever R.H. 1 off. F.57910 " " L.H. 1 " F.57911 Connecting Tube. 2 " F.57912 " " Inner Ball Pad(Bottom). 2 " F.57913 " " Distance Piece. 2 " F.57914 " " Ball Pin(Lower). 2 " F.57918 Damper Distance Washer. 2 " F.57919 " Support Plate. 2 " SEC:7020.- F.57915 Oil Pipe Junction Pillar. 1 off, replacing F.82222. SEC:7141.- F.57916 Oil Pipe(Pivot Pin to Damper). 1 off. F.57917 " (Spring Clip to Damper). 1 " SEC:7000.- F.57920 Frame Drilling RH.{R. Hollingworth} F.57921 " " LH.{Mr Haworth} The Damper section to LOP.F.55944 is cancelled with the exception of the following.- K.{Mr Kilner} 218 Bolt for Lower Ball Pin. 2 off. K.{Mr Kilner} 220 " " " " " 2 " K.{Mr Kilner} 4008 Nut " " " " 4 " K.{Mr Kilner} 9008 Washer " 4 " Please instruct the above parts as required in conjunction with the following information.- SEC:7160.- The remainder of this section is as instructed in our LOP.F.79925 with the following exceptions.- F.83619 End Cover for Main Cylinder RH.{R. Hollingworth} 1 off, replacing F.81056. F.83620 " " " " LH.{Mr Haworth} 1 " " F.81057. -contd- | ||