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).
Pin dimensions, Brinell hardness tests on webs, and a chemical analysis.
| Identifier | ExFiles\Box 32\5\ Scan176 | |
| Date | 23th September 1921 | |
| Contd. -2- Hs{Lord Ernest Hives - Chair}1/LG23.9.21. ----------- Pins. The pins are all 2.510" dia. and about .00025" out of round. We have taken a brinell reading of the webs. This comes out as follows:- No. of web. Brinell. 1 269 2 269 3 302 4 262 5 302 6 285 7 277 8 285 Analysis. Carbon. .50 Manganese. .54 Chromium. .92 Nickel. 2.14 Silicon. .23 Sulphur. .032 Phosphorus. .025. Hs.{Lord Ernest Hives - Chair} | ||