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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 Jonas Woodhead & Sons, Ltd. confirming details and poundage of laminated springs for drawing FW.1477.

Identifier  ExFiles\Box 9\5\  05-page154
Date  30th December 1937
  
JONAS WOODHEAD & SONS, LTD.,
MANUFACTURERS OF
LAMINATED SPRINGS FOR ROLLING STOCK
ROAD OR RAIL
REG'D OFFICE AND WORKS: KIRKSTALL ROAD, LEEDS, 4.
LONDON OFFICE: DEVONSHIRE HOUSE, STRATTON STREET, W.1.
TELEPHONES:
LEEDS 20814 AND 20815.
(PRIVATE BRANCH EXCHANGE)
LONDON MAYFAIR 4541
ON ADMIRALTY WAR OFFICE COLONIAL AND ALL LISTS
ESTABLISHED 1850.
TELEGRAMS: 'FORGE' LEEDS
Code: 5th. Edition A.B.C.
TELEGRAMS LONDON 'JOWOS' PICCY LONDON

Messrs. Rolls-Royce Limited,
Experimental Department,
D E R B Y.

DATE 30th December, 1937
YOUR REF.
OUR REF. HB{C. E. Harcombe}/BMM

FOR THE ATTENTION OF MR.LESLIE

SPRINGS TO DRAWING FW.1477.

Dear Sirs,

Confirming your telephone conversation to-day with our Mr.Woodhead, in connection with the three pairs of springs we have in hand against your Drawing No.FW.1477, we note the poundage of these springs is -

One pair .............. 1050 lbs.
Two pairs.............. 1100 lbs.

and we are therefore now proceeding with these springs.

With regard to the particulars of the "Snipe" springs, we give these herewith as follows:-

Front
Loaded length......... 44.9/32"
Width............... 2.1/2"
Load................ 1850 lbs.
Deflection.......... 9.30"

Rear
56"
2"
1280 lbs.
9.31"
  
  


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