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 models.
| Identifier | ExFiles\Box 29\2\ Scan132 | |
| Date | 1st March 1927 | |
| Y3066 ./Mtn18/G.1.3.27. 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 --- | --- | --- | --- | --- | --- 6.7.26. | X.8071 | Aluminium Induction Pipe and Bend in place of Cast Iron. | 10.8.26. | C-2-B | 16.3.27 6.7.26. | X.8081 | Carburetter made in Alum.instead of bronze. | 10.8.26. | C-2-B | 16.3.27 22.9.26. | X.7370 | Servo Balance Links | 20.10.26. | C-2-B | 16.3.27 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 23.9.26. | X.8060-7060 | Solid Key Type Bottom Tappet | 19.10.26. | C-2-B | 16.3.27 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 | ||