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).
The functioning and endurance trials of a 40mm Aircraft Cannon.
| Identifier | ExFiles\Box 176\1\ img184 | |
| Date | 17th May 1941 | |
| Copies to :- Sg.{Arthur F. Sidgreaves - MD} Hs.{Lord Ernest Hives - Chair} Rm.{William Robotham - Chief Engineer} HPS.{Horace Percy Smith - Experimental Factory Mgr} Lov{Mr Lovesey}/Brns. From Ve. Experimental Establishment, Pendine, South Wales. 17th May, 1941. A.{Mr Adams} G.{Mr Griffiths - Chief Accountant / Mr Gnapp} T. B., Ministry of Aircraft Production, Thames House, Millbank, LONDON, S.W.1. Ord. Q.F. :- 40 mm. Rolls Royce Functioning and Endurance. A.{Mr Adams} G.{Mr Griffiths - Chief Accountant / Mr Gnapp} T. B. 1. Information. Messrs. Rolls-Royce brought forward a 40 mm. Aircraft Cannon, with which trials for functioning and endurance were required. 2. Object. To test the 40 mm. Rolls-Royce for :- (i) Accuracy and O/V at 90 feet. (ii) Functioning at elevation and depression at normal temperatures. (iii) Functioning at elevation and depression at -10°F.{Mr Friese} (iv) Functioning under sand conditions. 3. Method. Fired at Pendine on 5th, 6th, 7th, 8th, 12th, 13th and 14th May. Gun:- 40 mm. Rolls-Royce M.G. No. 11239. Mounting:- Rolls-Royce E and D.{John DeLooze - Company Secretary} Ammunition:- 300 rounds 40 mm. H.V. Practice Ammunition. 40 rounds supplied by Messrs. Rolls-Royce. It was found necessary to extend the original programme. cont'd.{John DeLooze - Company Secretary} | ||