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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).
Letter from S. Smith & Sons discussing modified heater arrangements and enclosing blueprints.

Identifier  ExFiles\Box 137\2\  scan0105
Date  20th June 1938
  
105
1158

CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY

BY APPOINTMENT TO HIS MAJESTY THE KING

ENGINEERING & ALLIED EMPLOYERS NATIONAL FEDERATION
TELEPHONE: GLADSTONE 3333 (20 LINES)
TELEGRAMS: SPEEDOFAC, PHONE, LONDON.

S.Smith & Sons (Motor Accessories) Ltd
CRICKLEWOOD WORKS, LONDON, N.W.2

CABLES: SPEEDOFAC, LONDON.
CODES: MARCONI, COMMERCIAL, BENTLEY'S.

BRANCHES AT
PARIS
MILAN
SYDNEY
WELLINGTON

AGENCIES AND SERVICE STATIONS THROUGHOUT THE BRITISH EMPIRE AND IN ALL THE PRINCIPAL COUNTRIES

SHOWROOMS & DEPOTS
179-185, Gt. PORTLAND ST.{Capt. P. R. Strong} LONDON, W.1.
26-30, COX ST.{Capt. P. R. Strong} & LIVERY ST.{Capt. P. R. Strong} BIRMINGHAM.
14a, JACKSONS ROW DEANSGATE MANCHESTER
21, DRURY STREET GLASGOW
DUBLIN & BELFAST

Please quote our reference:
S.10

20th June 1938.

Messrs. Rolls-Royce Ltd.,
DERBY.

Dear Sirs,

For the attention of Mr. C.S. Steadman.

With reference to the writer's call on you in regard to Heaters, we confirm that we are preparing two modified arrangements of our Heater - one with the motor housed in the radiator and another arranged so that the motor is on the opposite side of the bulkhead, driving the fan by means of a flexible drive. We hope to have these arrangements ready towards the end of the week.

In the meantime we are enclosing you blue print No. EX.Y.10529 covering the radiator fan and motor housing as we understand you would like to have this by you. This particular drawing covers a straightforward blower design, that is, in which all the air drawn through the radiator is discharged through the tangential outlet and suitable for housing in any convenient part of the car, either complete as shown on the drawing or the radiator separated from the blower. We find that our details drawing of the standard Smith HaDees blower and radiator are not quite completed, but as soon as these are available, which we hope will be next week, we will let you have them.

We are also enclosing you two suggested layouts for heating and ventilating a Limousine, and would inform you that scheme "B" with the motor under the driver's seat is the most effective, as we find on test that the maximum volume of air is available when the pipe-work and bends, etc., are on the suction side of the blower. For example - as arranged in scheme "B" the blower delivers approximately

contd:

To avoid delay all envelopes should be addressed to the firm.
  
  


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