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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).
Status report on single-cylinder and general aero engine research items.

Identifier  ExFiles\Box 30\3\  Scan204
Date  8th August 1935
  
ITEM. (5) DESIGN POSITION.

SINGLE CYLINDER & GENERAL RESEARCH.

Battery ignition coil and distributor unit for aero engines. In hand.
Aero universal single cylinder unit:- ramp head Kestrel. Held up.
-do- cyl.block to suit ramp head - Kestrel. Held up.
-do- ramp head with inlet side plug. Held up.
-do- conical crown piston - Merlin "D". Completed 8/8/35.
Kestrel single cylinder unit:- stiffened crankcase. Completed 5/8/35.
P.V.G. " " " - detachable cyl. block. -do-
P.V.XII " " " 6.5 to 1 ratio conical crown piston. Merlin "C". Completed 9.7.35.
" " " " removal of projecting inlet valve guide boss in port. Completed 5.7.35.
" " " " valve spring bottom washer - Merlin "C". Completed 1.8.35.
" " " " ribbed long skirt piston - Merlin "D" penthouse head. Completed 8.8.35.
Single cylinder liquid cooled Exe with enlarged porting. Completed 10.7.35.
  
  


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