Rolls-Royce Archives
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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).
Appendix listing the approximate weights of various gun mountings and ammunition components.

Identifier  ExFiles\Box 175\3\  img006
Date  27th August 1940
  
Appendix of Approximate Weights.
Ev.{Ivan Evernden - coachwork}6/JW.27.8.40.
Gun with aluminium cradle - single shot 320 lbs.
Gun with Naval Bronze cradle - single shot 480 lbs.
Oerlikon Mounting 3SLa 10½ cwt.
Non elevating Mounting 360 lbs.
Wgt. of single round 2.860 lbs.
Wgt. of 30 rounds in regulation box 130.5 lbs.
Wgt. of ammunition tray - 18 lbs.
  
  


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