Standardisation sheet listing parts not yet fitted to 40/50 HP & 20 HP production chassis.
| Identifier | ExFiles\Box 29\2\ Scan148 | |
| Date | 2nd June 1927 | |
| X3066 BY./n9/G.2.6.27. 40/50 HP. & 20 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 40/50 HP. CHASSIS 24.9.26. | X.7310/7320 | Main Bearings with Steel Shells. | 27.10.26. | Not known. 29.9.26. | X.7390/7380 | Front Wing Stay | 23.2.27. | Not settled. 9.2.27. | X.8450 | Mod. to Side Steering Tube End. | 18.3.27. | E.2 | 1,10,27. 12.5.27. | X.8671 | Dynamo with narrow brushes and increased air gap. | 30.5.27. | E.2 | 1,10,27 21.4.27. | X.4586 | Steel Artillery Wheels | 30.5.27. | When required. 20 HP. CHASSIS 18.11.26. | X.8180/8180 | Jubilee Clips for Rubber Connections. | 17.12.26. | "L" | 8,10,27 4.1.27. | X.5250/3875 | Thermometer with Electrical Contact. | 15.1.27. | 101st 'K' | 16,7,27. 5.4.27. | X.5070/1 | Induction Pipe made in aluminium. | 25.5.27. | "L" | 8,10,27 6.4.27. | X.5040 | Piston with 5 narrow rings instead of 3 narrow and one wide. | 25.5.27. | "L" | 8,10,27 | ||
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).