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).
List of modifications and updates for the 20/25 HP chassis.
| Identifier | ExFiles\Box 30\4\ Scan181 | |
| Date | 12th May 1934 | |
| - 11 - BY.1/G.12.5.34. 20/25 HP. CHASSIS. N.Sch.3952 Mod. to E.N.V. Gearbox Rubber Mounting. Recd. 23.2.34. Detail drawings completed and issued ...... 26.3.34. N.Sch.3994 Experimental S.M. Clutch with Screw Thread on the Cone ................................. Recd. 26.2.34. Detail drawings completed and issued ........ 6.4.34. N.Sch.4010 Larger Bolts for Revised Brackets for Rear Dampers ....................... (N.Sch.3902).Recd.12.3.34. Detail drawings completed and issued ...... 19.3.34. N.Sch.4014 Suggested Fixing of Rear Dampers to the Frame. Recd. 14.3.34. Detail drawings completed and issued ........ 6.4.34. LeC.3843 1 1/4" Horizontal Carburetter ................ Recd. 29.3.34. Detail drawings will be put in hand as soon as possible. LeC.3850 Modfn. to Mixture Control on Instrument Board. Recd. 18.4.34. Detail drawings completed and issued ...... 30.4.34. LeC.3864 Flexible Petrol Pipe Connection ............ Recd. 5.4.34. Superseded by LeC.3907. LeC.3877 Modfns. to Horizontal Carb. to LeC.3688. Recd. 16.4.34. Detail drawings completed and issued ...... 23.4.34. RR.Sch.636 Modified Position of Side Sp.{Mr Spinney} Wheel Carrier. Recd. 15.3.34. Detail drawings completed and issued ...... 11.4.34. RR.Sch.653 Proposed Mod. to Breather Pipe ............ Recd. 9.4.34. Detail drawings completed and issued ...... 26.4.34. RR.Sch.658 Mounting of Klaxon Windscreen Wiper Motor on Dash ..................................... Recd. 17.4.34. We are waiting to know if suitable brackets for carrying the device are to be instructed for production. RR.Sch.674 Modification to Larger Oil Filler. Recd. 4.5.34. Detail drawings completed and issued ...... RR.Sch.677 Accelerator Controls (& Throttle Opening on Hand). Detail drawings completed and issued ...... 9.5.34. | ||