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).
Laboratory report detailing the chemical analysis of a non-ferrous, high-tensile alloy from a Condor Tappet-cover.
| Identifier | ExFiles\Box 76\3\ scan0066 | |
| Date | 19th July 1918 guessed | |
| ROLLS-ROYCE, LIMITED. LL 570 RR. 864a. LABORATORY REPORT ON NON-FERROUS ALLOY. To: Mr Hives + Works Date: 191... Re: Condor Tappet-cover in high-tensile alloy in the form of: .................. marked: ..................... received at works on:................... received by laboratory on:................... CHEMICAL ANALYSIS. Aluminium: 6.0 % Copper: 8.5 % Zinc: ... % Tin: ... % Antimony: ... % Lead: ... % Iron: .75 % Arsenic: ... % Nickel: 1.38 % Silicon: .43 % Phosphorus: ... % Sulphur: ... % Manganese: .02 % Magnesium: .17 % TOTAL ESTIMATED: ... % Remarks, etc. Brinell 129 This is rather high in Copper & Nickel & Iron, owing in all probability to having been recast 3 times! Signature: HCH | ||