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 40/50 HP & 20-HP chassis parts not yet fitted to production.
| Identifier | ExFiles\Box 29\2\ Scan175 | |
| Date | 2nd March 1928 | |
| X3066 BY/Mtn K.{Mr Kilner} 2. 3. 28. 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. 24.12.26. | X.8400/8600 | Spare Wheel Carrier and Luggage Grid at rear. | 1.6.27. | Not known. | 29.9.26. | X.7390/7380 | Front Wing Stay. | 23.2.27. | Not settled. | 9.9.27. | X.8720 | Ballast Resistance of 39" of 33 SWG. Nickel Wire. | 23.9.27. | When existing material has been used. | 11.5.27. | X.8240 | Modified Controls for Shutter and Starter Carburetter. | | | 12.5.27. | X.8671 | Dynamo with Narrow Brush. | 5.10.27. | F.{Mr Friese} | 1.4.28. 20.10.27. | X.5430/8430 | Deletion of Oil Holes and Grooves in Steering Worms. | 30.5.27. | F.{Mr Friese} | 1.4.28. 10.11.27. | X.8230 | Modified Pipe to Exhaust Hot Spot. | 15.11.27. | When existing parts have been used up. | 8.11.27. | X.7791 | Watford Sleeveless Type Magneto. | 29.11.27. | F-2. | 1.4.28. 14.11.27. | X.8692 | Battery Ignition Contact Breaker. | 2.12.27. | F-2. | 1.4.28. 28.11.27. | X.8350/1725 | 14 x 52 Rear Axle. | 22.12.27. | F-2. | 1.4.28. 29.11.27. | X.8230 | Exhaust Choke Valve Lubrication Scheme. | 23.12.27. | When required. | 7.11.27. | X.3499/8250 | Radiator with Integral Shutters. | 11.1.28. | F-2. | 1.4.28. | | | 13.2.28. | F-2-B. | 30.6.28. | ||