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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 document for the Myth Engine No.1, detailing components for the crankcase, bearings, and crankshaft.

Identifier  ExFiles\Box 109\3\  scan0220
Date  31th December 1941
  
To: Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/CP.
c. to Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}
c. to Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}
c. to Rm{William Robotham - Chief Engineer}/FN.
c. to Rm{William Robotham - Chief Engineer}/HH.

700

Rm{William Robotham - Chief Engineer}/CP.4/LH.{Mr Haworth}31.12.41.

Myth Engine No.1

4 Cylinder. 2.500 bore. 3.937 stroke

Herewith complete specification for the above new engine, built at Clan Foundry 30.12.41.

Crankcase & Bearings. LOP.RE.2404

Complete to the above LOP. incorporating :-

PL.316 C.I. Monobloc - 3 Journal bearings.
PL.324 Vandervell Main Bearings.
PL.355 Camshaft Bearings
PL.350 Mechanical Petrol Pump
PL.329 Side Exhaust Valves.
PL.334 Water Pump on Front of Block.
PL.325 Four Exhaust Ports.
PL.315 Sheet Metal Tappet Door.

RE.1816 Crankcase & Cylinder - I/C
RE.1717 Crankcase - Lower Half - S/DS.
RD.1741 Tappet Cover
RE.1818/19/20 Bearing Caps - I/C
RE.1875 Exhaust Valve Guide
RE.1724/29 Vandervell Main Bearings.
RE.1629 Exhaust Manifold - I/C
RE.1908 Dynamo Bracket
RD.1839 Sump Unit

Crankshaft. LOP.RE.1681

Complete to the above LOP. incorporating :-

PL.316 .3 Carbon Steel Shaft.
PL.355 Clutch Spigot Bearing

RE.1649 Crankshaft - S/HC .3 Carbon
Test Piece No.RR.583.
RE.1676 Pulley - I/C.

-continued-
  
  


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