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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 update list for Spectre 12-cylinder engine components.

Identifier  ExFiles\Box 30\4\  Scan130
Date  23th March 1934
  
- 12 -

BY.1/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 23.3.34.

SPECTRECodename for Phantom III 12-CYL. ENGINE.

LeC. 3750 Automatically Adjusting Tappets & Rocker Cover. Recd. 24.1.34.
Casting instructed ......................... 23.2.34.
Remainder will be instructed as soon as possible.

LeC. 3756 Oil Temperature Regulator ............... Recd. 27.1.34.
Detail drawings completed and issued .. 19.3.34.

LeC. 3772 Idler & Dynamo Drive Gears ............... Recd. 27.1.34.
Idler - detailed and instructed ............ 13.3.34.
Remainder will be completed and issued as soon as possible.

LeC. 3778 Water Pump and Drive .................... Recd. 27.1.34.
Detail drawings completed and issued ........ 15.3.34.

LeC. 3779 Starter Motor Housing and Rear End of Crankcase Recd. 27.1.34.
Detail drawings completed and issued ........ 12.3.34.

LeC. 3785 Oil Drain Cock combined with Oil Level Device. Recd. 31.1.34.
Detail drawings completed and issued ........ 21.3.34.

LeC. 3788 Oil Gallery Pipe & Crankcase Webs and Joint Face. Recd. 31.1.34.
Detail drawings will be put in hand as soon as possible.

LeC. 3790 Oil Relief Valves and Pressure Filter .......... Recd. 2.2.34.
Detail drawings completed and issued ........ 21.3.34.

LeC. 3792 Experimental Air Intake Silencer .......... Recd. 1.2.34.
Castings instructed ........................ 27.2.34.
Remainder will be instructed as soon as possible.

LeC. 3793 Exhaust Manifold with air cooled fins. (inverted plan) Recd. 1.2.34.
Detail drawings completed and issued ........ 2.3.34.

LeC. 3794 Spring Drive and Slipper Flywheel .......... Recd. 9.2.34.
Detail drawings will be completed and issued as soon as possible.

LeC. 3797 Springs for Oil Relief Valves and Pressure Filter (See LeC. 3790) .......................... Recd. 6.2.34.
Detail drawings completed and issued ........ 15.3.34.

LeC. 3754 Cylinder Head and Top Part of Crankcase ..... Recd. 18.1.34.
Detail drawings completed and issued ........ 12.3.34.
  
  


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