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Cost estimate and comparison for a Wraith Flywheel and Clutch scheme.


Identifier  ExFiles\Box 8\1\  01-page26
Date  10th December 1936
  
To Rm. {William Robotham - Chief Engineer} from G {Mr Griffiths - Chief Accountant / Mr Gnapp} /Rb. {R. Bowen}
c.c. to HHG.
c.c. to E {Mr Elliott - Chief Engineer} /Lid. {A. J. Lidsey}

612 10th G {Mr Griffiths - Chief Accountant / Mr Gnapp} /Rb. {R. Bowen} 5/H/73/W.111236.

L E SMITH Please discuss
Rm. {William Robotham - Chief Engineer}

Wraith Flywheel and Clutch
N. Sch.4882 and LOP.GW.962.

In reply to E {Mr Elliott - Chief Engineer} /Lid. {A. J. Lidsey} 2/HP.3.12.36. regarding detail and complete costs of the above scheme, we find our estimates are as follows:-

Material Labour
£. s. d. {John DeLooze - Company Secretary} £. s. d. {John DeLooze - Company Secretary}
(1) Flywheel as shown on N.Sch.4882. 1 3 0 6 2 1.9.2
(2) Starter Ring Gear " " " 1 8 0 5 7½ 1.13.7½
(3) Flywheel with Starter Ring Gear
and Bearing Housing integral
material S/HC. as present 25/30HP. 13 6 10 4 1.3.10
(4) Scheme complete (N.Sch.4882)
(GW.962). 6 2 10 2 0 8
(5) Present 25/30HP. to LOP. G57097. 4 4 2 1 17 6

In view of the extra cost of the Wraith to N.Sch.4882 over the present 25/30HP., please let us know if you are proposing to modify the Wraith design.

G {Mr Griffiths - Chief Accountant / Mr Gnapp} /Rb. {R. Bowen} CM
  
  
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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