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).
Test report and approval sheet for a modified type of aluminium split piston.
| Identifier | ExFiles\Box 77\3\ scan0160 | |
| Date | 20th January 1920 | |
| STANDARDISATION OF CHASSIS PARTS. Description of Parts. Modified type of aluminium split piston. Origin. To overcome the tendency of the present split pistons taking a permanent set. Experimental Test Report. 3 Sets running - 1 set on 2 E.X. 10,000 mile test car. 1 set on Drivers' instruction car. 1 set on test bench. Attached Hs{Lord Ernest Hives - Chair}6/LG19120. Road Test Report. Run 1,000 miles on 2 E.X. Run 600 miles on Drivers' car, no complaints of knocks. Run on test bench for 10 hours. Attached Hs{Lord Ernest Hives - Chair}1/LG8420. Signature of Exp. Dept. that above is correct. (Sgd.) E.{Mr Elliott - Chief Engineer} Hives. Weight of Old Part. £ Weight of New Part. £ Difference per Car. £ Cost of Parts in Works and Stores which will be scrapped if commenced on:- Series............£ Series............£ Series............£ Storekeeper advised re above. Storekeeper's Signature. Signature of Mr. DeLOOZE that above is correct. SIGNATURES | DATE | REMARKS Mr. JOHNSON. | | Proceed with expenditure but do not standardise until 10,000 miles run. C.Johnson. Mr. ROYCE. | 26/1/20 | Agreed Mr. WORMALD. | 20.1.20. | Seems a better job, we should proceed. Wor.{Arthur Wormald - General Works Manager} Mr. NADIN. | | Mr. PLATFORD. | 20.1.20. | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} Certainly best of the alumin: type. Should keep us going but not yet mass production. Mr. NORTHEY. | 22.1.20. | Agreed. P.N. Mr. BAILEY. | 20.1.20 | Agreed. By.{R.W. Bailey - Chief Engineer} Mr. BARRINGTON. | 21/1/20 | Agreed. BBarrington Mr. DAY. | 20.1.20. | Agreed. Da.{Bernard Day - Chassis Design} Drawing No. N.2820. Part List. N.2820. | ||