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).
Telegram detailing testing procedures and modifications for Zephyr pistons, connecting rods, and a cross steering lever.

Identifier  ExFiles\Box 80\1\  scan0149
Date  17th May 1915
  
Copiest
Mr hadin 17/5/15
Hives
Stent

Copy of telegram received 17/5/15.

X.701 - CROSS STEERING LEVER - CAR.

RE ZEPHYR PISTONS TEST MANY HYDRAULICALLY UP TO 1000 POUNDS PER SQUARE INCH OR UNTIL BREAKAGE OCCURS WITH STRAIGHT AND ANGULAR CONNECTING ROD ALSO TEST ANNEALING IMPROVED DESIGN ABOUT THE CROWN AND WAIST IN EXPRESS POST DO NOT STOP CONNECTING RODS YOU HAVE INSTRUCTIONS FOR IMPROVING BOLTS ON FUTURE RODS. REDUCE BRINELL HARDNESS TO BETWEEN 300 & 320. RE STEERING LEVER INCREASE DEPTH AND SECTION AT LEAST 30 PER CENT OVER BROKEN ONE USE METAL HIGH FATIGUE FIGURE SOFT METAL NO USE.

ROYCE.
  
  


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