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Cost comparison for Wraith II and Packard mock-up front spring suspension.


Identifier  ExFiles\Box 148\5\  scan0151
Date  1st April 1937 guessed
  
To Hs. {Lord Ernest Hives - Chair} from G {Mr Griffiths - Chief Accountant / Mr Gnapp} /Rb. {R. Bowen}
c.c. to RHG.
Rm. {William Robotham - Chief Engineer}
Hs {Lord Ernest Hives - Chair} /eAK.

1260
G {Mr Griffiths - Chief Accountant / Mr Gnapp} /Rb. {R. Bowen} 1/K/73/W.23337.

Wraith Chassis Front Spring Suspension.
-------------------------------------

We have investigated the costs for the Wraith II and Packard type (Mock-up Schemes) Front Spring Suspension, and for the purpose of comparison we have taken into consideration the following units

Wraith II.

Sec.7040 LOP.GW.1128 Front Axles.
7043 " GW. 910 Front Brakes.
7044 " GW. 428 Front Hubs.
7042 " GW. 844 Spring Suspension.
7000 " FW. 752 Front Cross Member, Cross Tubes,
(Part) Sockets, Distance Pieces etc.
Steering Lever Mechanism.

In the case of the Packard type Suspension we have worked to N. schemes 5060/1/2/3 and 5073, and added:-

Secs.7160, FB.1340 Front Shock Dampers.
7150, FB.1330 (Part) Connecting Tubes.

The estimated difference in cost is as herewith:-

Wraith II Packard (Mock-up)
£. s. d. {John DeLooze - Company Secretary} £. s. d. {John DeLooze - Company Secretary}
Material 20 8 0 18 7 4
Labour 13 10 6 11 6 0
+ 175% Charges. 23 13 4 19 15 6
---------- ----------
£ 57 11 10 £49 8 10

Saving in Factory cost = £8. 3. 0.

Handwritten notes:
Above 'Packard (Mock-up)': Buick
To the right of the cost table: 25/%
To the right of the saving calculation: S8-1-3 without Springs
Bottom of page: G {Mr Griffiths - Chief Accountant / Mr Gnapp} /Rb. {R. Bowen} EOK
With an arrow pointing from 'Packard type' to 'Buick': Buick
  
  
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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