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).
Various feed mechanisms and power mounting for a 40 M.M. gun.
| Identifier | ExFiles\Box 175\3\ img293 | |
| Date | 15th January 1941 | |
| -2- Ev.{Ivan Evernden - coachwork}1/JH.15.1.41. The Ve Vertical Feed The Ve Vertical Feed (See GPL.165) as at present designed is most suitable as it calls for no modifications to the shape of the fuselage. It is easy to load being fed from the top and above floor level. It would appear possible to carry 10 rounds in the magazine. The Ve Modified Vertical Feed in which the magazine is moved forward opposite the opening in the feed block, would be equally suitable for installation in the plane as the original scheme and from what we know of it so far it would appear to have no disadvantages. [Diagram with labels] MAGAZINE ABOVE FLOOR TOP OF FLOOR ELEVATION CONTOUR OF AIRCRAFT PLAN STARBOARD GUN C/L GUN LOADING TRAP AREA C/L AIRCRAFT FRONT VIEW TOP OF FLOOR C/L GUN C/L AIRCRAFT NO BULGE 40 M.M. GUN ON POWER MOUNTING. The best arrangement of this gun is with the loader and the gunner each on a seat on the rotating head of the mounting, one each side of the pedestal (See GPL.156) All this has been designed and much of it has been produced. B.U.S.M. Feed in Rear Position. This feed cannot be used with a seated loader because the round is introduced from the rear. It can be used with the original design of Power Mounting where the loader is not on the gun. The Gunner is seated Contd. | ||