Parts and modifications for a recoil shield on a 40 m/m Naval Gun.
| Identifier | ExFiles\Box 175\3\ img096 | |
| Date | 21th August 1940 | |
| - 2 - To RM. {William Robotham - Chief Engineer} From RM {William Robotham - Chief Engineer} /HH. a. {Mr Adams} VP/EE. 40 m {Mr Moon / Mr Moore} /m Naval Gun - Type BB. Cradle & Fittings Sec.10S0. Recoil Shield to FL. 125. In accordance with the above scheme, we have detailed the following, and attach herewith blueprints of same :- GR. {George Ratcliffe} 156 Recoil Shield - 1 Off GR. {George Ratcliffe} 157 and Cover for Recoil Shield - 1 Off GR. {George Ratcliffe} 158 Pivot Pin for Recoil Shield - 2 Off GR. {George Ratcliffe} 159 Retaining Nut for Recoil Shield - 2 Off GR. {George Ratcliffe} 160 Screwed Pin for Recoil Shield - 2 Off GR. {George Ratcliffe} 161 Coned Bush - Support Angle - 2 Off GR. {George Ratcliffe} 162 Support Angle for Recoil Shield - RH {R. Hollingworth} - 1 Off GR. {George Ratcliffe} 163 " " " " - LH {Mr Haworth} - 1 Off GR. {George Ratcliffe} 164 Support Plate for Recoil Shield - 2 Off The following standard parts will also be required :- K.4602 Split Pin for Screwed Pin - 2 Off E.4410 Plain Washer " " - 2 Off D.71762 Washer for Screwed Pin - 2 Off S.19156 " " Pivot - 2 Off KB.3831 Stud for Support Angle - 6 Off K.9009 Washer " " " - 6 Off F.87365 Nut " " " - 6 Off This scheme entails a slight modification to the rear top facing of both halves of the cradle as per sketch below. [Drawing with annotations: 100R, 750.350, 30°, 10°] (continued) | ||
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).