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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 for Engine Unit No. 23 (Chassis 24-EX).

Identifier  ExFiles\Box 169\1\  img083
Date  21th June 1930
  
To Hs.{Lord Ernest Hives - Chair} from RHC{R. H. Coverley - Production Engineer}/WWC.
c. to AJL.
c. to GWH.{George W. Hancock - Head Chateauroux}
c. to ACL.

RHC{R. H. Coverley - Production Engineer}/WSC{W. S. Cassel}1/MS21.630.

Engine Unit No.23 (Chassis 24-EX).

We give herewith complete specification
of the above Unit fitted to the first L.H. Chassis 24-EX.

Passed to Test 20.6.30.

Crankcase & Bearings to LOP. E.79019.
Incorporating LeC 2790/1 Auto Kleen Filter.
LeC 2788 Sump Drain Plug.
Scheme 1247/8 Extra Cylinder Lubrication.
Scheme 1282 Oil Feed to Timing Gears.

Crankshaft to LOP. E.79739.

Spring Drive to LOP. E.79915 - LeC 2462-2520.

Windows machined in Spring Plate E.77391 to Rm{William Robotham - Chief Engineer}'s.. instruction (Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}1/MJ.5.6.30).
8 - E.80241 Damping Springs (in place of 16).

Connecting Rods to LOP. E.74490.

Pistons to LOP. E.79533.

Cylinders to LOP. E.79033.
Incorporating Schemes 1247/8 Extra Cylinder Lubrication.
Scheme 1217 Asbestos Valve Gland Packings.
(1) Cylinder Blocks E.80659/60.
(2) Copper Water Tubes E.80488.
(3) Hot-spot Feed Pipe E.80194 in I/M.{Mr Moon / Mr Moore}

contd.
  
  


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