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).
Installation of half-inch guns on Spitfire aircraft and the production of gun mountings.
| Identifier | ExFiles\Box 176\3\ img054 | |
| Date | 10th September 1940 | |
| - 2 - Cont'd.{John DeLooze - Company Secretary} Rm.{William Robotham - Chief Engineer}11/ML.10.9.40. automatic gun and the power driven mounting can be used as a self-contained unit for aerodrome defence. 3. HALF INCH GUN. Smith of Supermarines, is now talking about putting eight of these guns in the Spitfire. This means that the two outer guns in each wing are in a very restricted section of the aerofoil. To avoid bulges on the wing, the external shape of the gun will have to be modified. The matter is being taken up with Ve. 4. PRODUCTION OF MOUNTINGS. Mr. Baird, who is in charge of production of gun mountings, i.e. Ashworth's opposite number, came to Derby yesterday. He approved of our designs. We took him over to the L.M.S. and he placed a contract with them for the mountings they require up to April of next year. Rm.{William Robotham - Chief Engineer} | ||