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).
Blueprint comparing a present and a proposed cylinder block design with handwritten annotations.

Identifier  ExFiles\Box 173\1\  img182
Date  20th January 1934 guessed
  
PERPENDICULAR AND PARALLEL TO EACH OTHER. PROPOSED CONSTRUCTION WITH TUBULAR STEEL SKIRT THREADED AND BRAZED. ALL VALVE POCKETS PROJECT AND SPIGOT IN ALUM HEAD. C & A WASHERS USED TO MAKE TOP WATER JOINT. HOLES DRILLED IN OUTER DIA. TOP OF LINER FOR WATER CIRCULATION. DIAS STEPPED TO THREAD JACKET IN POSN. SPARK PLUG. WATER CONN. HERE SIMILAR TO CONDOR. STUDS FOR BOLTING CYL. HEAD. Top - PRESENT CONDOR BLOCK. LOWER - PROPOSED SEPARATE CYL. ARREST. BOTH CYLS HAVE FLAT COMBUSTION CHAMBERS.
  
  


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