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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).
From C. Johnson discussing Mr. Royce's analysis of steering wobbles and their cures.

Identifier  ExFiles\Box 28\4\  Scan078
Date  26th September 1913
  
R.R. 647 (100 H.{Arthur M. Hanbury - Head Complaints}) (L.L. 194-15-7-13.) B. & H.{Arthur M. Hanbury - Head Complaints} 519.
ROLLS-ROYCE LIMITED,
14 & 15, CONDUIT STREET,
LONDON, W.
TELEPHONES:
1654, 1655, 1656 (Gerrard)
TELEGRAMS:
'ROLHEADRolls-Royce telegram address,' REG., LONDON.

[Distribution List]
Names and Indicating letter. Initial of person addressed.
A Mr. ADAMS
By Mr. BAILEY
Bn{W.O. Bentley / Mr Barrington} Mr. BARRINGTON
B Mr. BEREND
Bt{Capt. J. S. Burt - Engineer} Mr. BURT
Cn{Mr Chamberain} Mr. CHAMBERLAIN
C Mr. COWEN
Cx{Major Len W. Cox - Advertising Manager} Mr. COX
A Mr. DAY
D Mr. DeLOOZE
E Mr. ELLIOTT
F Mr. FRIESE
G Mr. GNAPP
Hy{Tom Haldenby - Plant Engineer} Mr. HALDENBY
Hm{Capt. W. Hallam - Head Repairs} Mr. HALLAM
H Mr. HANBURY
J Mr. JOHNSON
JS{Mr Johnson's Secretary} Mr. JOHNSON'S Secretary
K Mr. KILNER
Mac{Mr Macintosh} Mr. MACINTOSH
M Mr. MOON
Na{Mr Nadin} Mr. NADIN
PN{Mr Northey} Mr. NORTHEY
O Mr. OLDHAM
P PARIS
Pa{Mr Paterson} Mr. PATERSON
- Mr. PLATFORD
Rn{Mr Robinson} Mr. ROBINSON
R Mr. ROYCE
RS{Sir Henry Royce's Secretary} Mr. ROYCE'S Secretary
JR{Mr James Royce} Mr. JAMES ROYCE
LHS{Lord Herbert Scott} LORD HERBERT SCOTT
Sp{Mr Spinney} Mr. SPINNEY
V VIENNA
Wa{Mr Wallis} Mr. WALLIS
Whr{Mr Wheeler} Mr. WHEELER
Wd{Mr Wood/Mr Whitehead} Mr. WHITEHEAD
Wor{Arthur Wormald - General Works Manager} Mr. WORMALD

[In 'Initial of person addressed' column]: Wor.{Arthur Wormald - General Works Manager}

[Stamp 1]: RECEIVED 26 SEP 1913
[Stamp 2]: W.M. RECEIVED 26 SEP 1913

CJ14/GT25913. Re Steering Wobbles. X/457

Mr Royce says that there are two of three sorts of steering wobbles. There is one wobble by which the forward end of the car moves bodily backwards and forwards in a lateral direction. This is the wobble which the alteration in the angle of the pivot will cure.

We should therefore find a car which has this lateral wobble of the whole car, then the alteration can be done, if it is cured, instructions should be issued, and instructions should point out exactly what sort of wobble the inclination of the pivots is designed to cure.

C. Johnson.
  
  


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