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Status update on Wraith Ripple Units, 4 Cylinder Units, and Helical Gear Boxes.


Identifier  ExFiles\Box 161a\3\  scan0240
Date  26th June 1939
  
-9-

HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC. {W. S. Cassel} 1/BA.26.6.39.

Wraith Ripple Units.

Remarks.

W.R.No.1. New Unit instructed in HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC. {W. S. Cassel} 6/BA. 14.4.39 3.250 dia bore - The main items being,
a. {Mr Adams} Crankcase T.H. in L.5. alloy.
b. Crankcase L.H. - Standard.
c. Standard V.C.M. Crankshaft.
d. {John DeLooze - Company Secretary} EW.2170 Pistons - Aerolite.
e. {Mr Elliott - Chief Engineer} EW.2179 Cylinder Block.
f. {Mr Friese} EW.2180 Cylinder Liners.
g. {Mr Griffiths - Chief Accountant / Mr Gnapp} EB.4845 Exhaust Valves to PD.403.
h. {Arthur M. Hanbury - Head Complaints} EX.S.768 Camshaft.
i. SCD.1038 Oil Filter EX.S.1259. Assy.
j. {Mr Johnson W.M.} Flywheel GB.4758.

Fit Cylinder Block removed from W.R.No.2 Unit in accordance with specification issued in HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC. {W. S. Cassel} 2/PC.21.6.39.

No.2. Late B.V. No.6 Unit, converted to Wraith Ripple No.2 by fitting 3.250 dia bore Cylinder Block.

To be rebuilt in accordance with specification issued in HPS {Horace Percy Smith - Experimental Factory Mgr} /WSC. {W. S. Cassel} 19/BA.28.6.3 for 30,000 miles trials in 12.B.V. using the Cylinder Block as instructed for W.R. No.1 Unit.

4 Cylinder Unit

This New Unit is being produced by converting one of the existing B.60 Units.

Promises are required for the following.

EB.4843 C'shaft promised by Shardlows for 1st week in July.
EB.4833 Camshaft AG. to give promise.
EB.4847/8 Conn Rod and Caps.
We anticipate passing to test by the 2nd week in July.

Miscellaneous.

All Helical Gear Boxes.

3 Overdrive Boxes instructed.
3 Standard Ratio Boxes instructed.

The three Overdrive boxes are completed, the three std. ratio boxes, one of the latter is required for 30.G.VII in connection with 30,000 miles trials. All these boxes are to be completed by mid June.

continued.
  
  
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).


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