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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).
Revised specifications for Engine Unit No. 21 (Chassis 2E-LX1).

Identifier  ExFiles\Box 169\1\  img137
Date  14th October 1930
  
To Hs.{Lord Ernest Hives - Chair} from RHC{R. H. Coverley - Production Engineer}/WSC.{W. S. Cassel}

Engine Unit No.21 (Chassis 2E-LX1).

Specifications of the above Unit issued in RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}1/LS11.7.30. and RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}1/LS11.9.30. are revised as follows:-

Passed to Test 11.10.30.

Valves & Fittings to LOP. E.78569.
12 - E.81550 Valve Springs.
12 - E.80300 Bottom Spring Washers modified to suit above Springs. Scheme to cure noise of Valve Springs.

Carburetter to LOP. E.80530 - LeC 2803.
Air maze intake to Arrgt: Drg: E.81462.

Oil Level Indicator to LOP. E.79004.
E.81451 level Indicator replaces E.80786 to suit American gallons.

Oil Pump to LOP. E.78890.
New E.81102/3 Gears having 20º obliquity, replacing similar gears having 14½º obliquity (Standard).

Gear Box & Actuating Gear to LOP. G.78495.
(1) Incorporating N.S. 3117 Gastight Scheme.
(2) G.77652 Brake Rack giving increased travel to Hand Brake Lever.

contd.
  
  


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