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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 design drawings for various components of Merlin 'B', 'C', and 'D' aero engines.

Identifier  ExFiles\Box 30\3\  Scan117
Date  16th March 1935
  
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"MERLIN 'B' and 'C' AERO ENGINE.
--------------------------------
DES. 2381 Modfn. to Camshaft Drive ................ Recd. 27.2.35.
Detail drawings completed and issued ........ 9.3.35.

"MERLIN 'D' AERO ENGINE.
-------------------------
DES. 2330 Piston. ................................. Recd. 27.12.34.
Detail drawings completed and issued ........ 18.2.35.

DES. 2331 Cylinder Head, Valves & Fittings ...... Recd. 31.12.34.
Detail drawings completed and issued ........ 18.2.35.

DES. 2332 Details of Crankcase & Cylinder Liners, Crankshaft and Conn. Rods. .......................... Recd. 31.12.34.
Detail drawings completed and issued ........ 19.1.35.

DES. 2335 Lower Vertical Section through S/C. Volute .....Recd. 2.1.35.
Detail drawings are in hand.

RR. Sch. 813 Rear End of Crankcase showing Camshaft drive.
RR. Sch. 814 Rear End of Crankcase.
RR. Sch. 815 Drive for Generator Oil Pump.
Top Half crankcase issued .............. 25.2.35.
Remainder will be put in hand as soon as possible.

DES. 2340 Crankshaft Balance Weights ............. Recd. 16.1.35.
Detail drawings are in hand.

DES. 2360 Rear end of Crankcase .................. Recd. 9.2.35.
Top half crankcase issued .............. 25.2.35.

DES. 2366 Supercharger Volute Casing ............. Recd. 11.2.35.
Detail drawings are in hand.

RR. Sch. 832 Reduction Gear, Dynamo Drive & Gun Gear and Front End C'case .................... Recd.
RR. Sch. 833 Front End of Crankcase.
Top half crankcase issued .............. 25.2.35

RR. Sch. 836 Lower Half Crankcase - Rear End ........
RR. Sch. 837 Lower Half Crankcase - Front & Intermediate.
RR. Sch. 838 Oil Baffle for Starter Gear Wheel.
RR. Sch. 839 Combined Electric & Hand Starter, with Drive for R.A.E. Air Compressor.
Detail drawing for lower half crankcase in hand.
  
  


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