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).
Instruction sheet detailing revisions to the specification for a Phantom engine's magneto and low-speed figures.
| Identifier | ExFiles\Box 65\3\ scan0232 | |
| Date | 8th December 1924 | |
| RR 238 (150 BKS.) (DB{Donald Bastow - Suspensions} 461-8-12 24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. (4) Customer's No. our Phantom engine requirements although it passes our general Specification. We therefore submit a revision of our general specification as follows:- Page 2. clause 5. The speed limits should read "The magneto shall be capable of firing this special test gap with shunted leak regularly at a speed of 250 rpm fully retarded and at a speed of 2500 rpm fully advanced etc" Page 3. clause 7 The low speed figures should read A.{Mr Adams} 280 rpm. B. 200 rpm. C. 170 rpm. Signed contd. This Sheet must be filed on completion of the work. | ||