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).
Standardisation sheet for a 40/50 HP chassis, listing parts not yet fitted to production.
| Identifier | ExFiles\Box 29\2\ Scan143 | |
| Date | 1st April 1927 | |
| BY/B31/G.1.4.27. 40/50 HP. CHASSIS - STANDARDISATION SHEETS. PARTS NOT YET FITTED TO PRODUCTION CHASSIS. Date Issued | Stn. Sht. No. | Title | Date Completed | Series where brought in | Chassis to Test 22.9.26. | X.7205-8205 | Oil Relief Valve | 20.10.26. | D-2 | 14.5.27. 23.9.26. | X.8685-7685 | Ignition Governor - Oil Relay Piston using metal packing rings. | 20.10.26. | D-2 | 14.5.27. 23.9.26. | X.7220 | Fan with Duralumin Blades | 18.10.26. | D-2 | 14.5.27. 22.9.26. | X.3875-7250 | Thermometer with electrical contact. | 22.12.26. | C-2-B | 16.3.27. 24.9.26. | X.7320 | Front Silencer | 19.10.26. | D-2 | 14.5.27. 1.10.26. | X.7310-7320. | Gear Box to suit Plunger controlled Selectors - torsionally free 1st. & 2nd. pinions, and sliding wheels re-arranged to give definite end clearance. | 27.10.26. | D-2 | 14.5.27. 24.9.26. | X.7310-7320. | "D" type C.H.N.S. Keyed Type Change Gear Shaft - Modified bush and spring. | 19.10.26. | D-2 | 14.5.27. 24.9.26. | X.7310 7320 | Main Bearings with Steel Shells. | 27.10.26. | Not known. | 1.10.26. | X.235 7250-8520 | Rear Hydraulic Shock Dampers. | 6.12.26. | D-2 | 14.5.27. 18.11.26. | X.5180-8180. | Jubilee Clips for Rubber Connections. | 17.12.26. | D-2 | 14.5.27. | ||