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).
Table of test results for special aluminium alloys at various temperatures.
| Identifier | ExFiles\Box 36\3\ scan 093 | |
| Date | 28th June 1917 | |
| R.R. 300 (120 B) (SC. 576. 23.2.16) E.P. 1262. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Mr. Clark. Order No. Customer's No. Re Special Aluminium Alloys (Continued). Handwritten Column Headers: Bar Number, Temperature, Maximum Stress, Yield Point, Elongation, Reduction of Area Table Data: C | 320°C | 4.8 | 3.6 | 5.5 | 5.3 C | 270°C | 4.8 | 4.0 | 5.2 | 5.4 C | 220°C | 5.2 | 4.4 | 4.0 | 4.1 C | 20°C | 9.6 | 8.0 | 2.8 | 3.0 L | 320°C | 5.8 | 3.6 | 5.5 | 5.0 L | 270°C | 5.2 | 4.0 | 4.2 | 4.8 P2 | 320°C | 5.8 | 4.4 | 3.0 | 3.2 P2 | 270°C | 6.4 | 4.8 | 2.9 | 3.0 P2 | 220°C | 6.8 | 4.4 | 2.3 | 2.5 P2 | 20°C | 7.2 | 4.4 | 3.3 | 3.3 A | 320°C | 6.6 | 4.4 | 1.0 | 0.8 A | 270°C | 6.8 | 4.8 | 1.6 | 1.5 A | 220°C | 6.6 | 4.8 | 0.5 | 0.6 A | 20°C | 7.2 | 5.6 | 1.0 | 1.0 H1 | (Four rows for H1 are present but crossed out and have no data) Signed: HEH This Sheet must be filed on completion of the work. | ||