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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).
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/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)
  
  


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