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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 sheet for the 'next Wraith' model, detailing changes to the radiator, cooling system, engine, and steering components.

Identifier  ExFiles\Box 6\6\  06-page121
Date  3rd February 1937
  
-2-

SPECIFICATION FOR NEXT WRAITH.

Radiator & Cooling System.
Radiator with pressed bottom tank, thin material 15 -
No starting handle tunnel and no steam valve
Simplified fan and drive ............................ 15 -
Vertical engine side guards ......................... Unknown.

Engine Unit.
As on Wraith I except for cheaper spring drive Unknown.
Differentially coiled springs in Swedish wire. 5 -
Exhaust Valves in S/SLV ............................. 4 -
Inlet Valves in S/65 ................................ 2 -
45° Angle Timing Gears ............................ Unknown.
We shall not run one of these preliminary Wraith Castings in L.S as the castings available are in R.R.

Steering.
(1) Outer steering column tube - chromium plate only sleeve at upper end. Remainder black stove enamelled ............................. 15 -
(2) Covers F.R.145/6 made in one piece, die cast in alum. ........................................ 1 6
(3) Control Quadrant F.89139 die cast in alum. instead of forged silver bronze .................. 3 -
(4) Control Quadrant holder F.88356 in forged steel instead of forged silver bronze............ 2 0
(5) Adjusting sleeve F.W.141 in die cast alum. ...... 1 6
(6) Outer steering column tube F.W.412 in 18 gauge instead of 13 gauge ................... 1 -
_______________________________________________________________
Carried F'ward: 3 5 6
  
  


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