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).
Letter to Major F.B. Halford concerning valve acceleration data.
| Identifier | ExFiles\Box 88\4\ scan0102 | |
| Date | 20th August 1934 | |
| √254 Exptl. Dept. Hs{Lord Ernest Hives - Chair}/Smth.1/KW. 20th August, 1934. Major F.B. Halford, 8 & 9, Golden Square, London, W.1. Dear Sir, We thank you for yours of the 9th inst., and regret that, owing to the Works being closed for the holidays, we have not replied at an earlier date. Regarding the maximum positive acceleration of the valve at 5,000 r.p.m., this is 19,500 ft/sec.2. Yours faithfully, FOR ROLLS-ROYCE LIMITED. | ||