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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).
Specification sheet for engine unit number 16 (35-EX.).

Identifier  ExFiles\Box 155\2\  scan0272
Date  18th November 1938
  
-5-

Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}3/MH.{M. Huckerby}18.11.38.

UNIT NO.16 (35-EX.)

Std. production crankcase.
Hykro crankshaft with extra hole in the journals.
W/M main and big end bearings.
Connecting rods with modified panel milling LeC.5330 and modification to bolt recesses LeC.5295.
Cadillac damper with increased inertia ring.
LeC.5415 rubber joint ring under top flange of liners.
Cylinder liners A.1 and 2 Hepworth and Grandage.
A.3 and 4 Std. Sheep.
A.5 and 6 Brit. Piston Ring Co.
B.1 and 2 " " " "
B.3 and 4 Std. Sheep.
B.5 and 6 Hepworth and Grandage.
Cheap flap valves in lower half LeC.5313.
4 port cylinder heads with solid rocker gear LeC.5441 with oiling LeC.5444.
Strengthened exhaust valves E.88447 KE.965.
Solid stem inlet valves E.88782 S/SLV.
A side springs Rm.{William Robotham - Chief Engineer}260 - 1 - 0
EB.175 - 7 - 12
B side Blue EB.3250 1 - 0
Red EB.3250 7 - 12.
LeC.5461 modified bore hot box.
Camshaft E.88760 to suit solid rockers.

Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}
  
  


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