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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).
Cost saving analysis comparing Scheme GL 880 and Scheme GCD 1131 for a rear hub assembly.

Identifier  ExFiles\Box 98\1\  scan0139
Date  12th January 1939
  
Roy{Sir Henry Royce}/Les 1/ER 12.1.39.

Estimated saving on Rear Hub to Scheme GCD 1131.

Scheme GL{G. Linnett} 880.

Piece No. Description. No off. Cost per Chassis.
GB 2780 Dist: Piece. 2 1.78
GB 3753 Nut. } L.H. & R.H. 1 3.02
GB 3754 Nut. } 1 3.02
G 100033 Packing Plate. 2 0.19
GB 3752 Shield. 2 0.32
K 3606 } Screw, Nut. 4 0.17
K 4304 } 4 0.068
K 9005 Washer. 4 0.004
G 100034 Locking Plate. 2 0.06
Hub saving. 2 1.00

Total - 9.632

Scheme GCD 1131.

GB 4008 Oil Cover 2 1.17
Locking Piece. 2 0.16
Circlip. 2 0.80

Total - 2.13

Total Saving = 7.5 Shilling per chassis.

Roy{Sir Henry Royce}/Les.{Ivan A. Leslie}
  
  


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