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Letter from K.L.G. Sparking Plugs regarding a point burning issue with the No. 808 plug on the Phantom engine.


Identifier  ExFiles\Box 162\4\  img051
Date  12th June 1934
  
TELEPHONE: PUTNEY 2671-2-3-4.
TELEGRAMS: KAELGEE· PHONE · LONDON
CONTRACTORS TO THE ADMIRALTY · WAR OFFICE · AIR MINISTRY & FOREIGN GOVERNMENTS
CODES USED A.B.C. 5TH EDITION WESTERN UNION

81918B.

K.L.G. Sparking Plugs Limited
MAKERS OF JIGS AND PRECISION TOOLS
SOLE MANUFACTURERS OF K.L.G. SPARKING PLUGS
ROBINHOOD ENGINEERING WORKS
PUTNEY VALE · LONDON · S·W·15

IN YOUR REPLY PLEASE REFER TO TECHNICAL DEPt AND QUOTE REFERENCE CMC/MEN.

12th June, 1934.

Messrs. Rolls-Royce, Ltd.,
Derby.
WST

Gentlemen,

For the attention of Mr. West.

We beg to refer to our letter of May 8th on the subject of the type No. 808 plug which was used in the new PhantomCodename for PHANTOM I engine.

You will remember that you criticised this plug on the subject of point burning and we thought this was probably due to the fact that we had reduced the diameter of the point to a very small dimension in the hope of assisting slow running.

This appeared to have been a mistake and we undertook to make up another set of No. 808 plugs with the central firing point of larger diameter. This has now been done and twelve of these plugs are being despatched to you under separate cover to-day.

We hope that you will be able to make a further test and again let us have your opinion of them.

Yours faithfully,
p.p. K.L.G. SPARKING PLUGS LIMITED.

C. Carington
Director.
  
  
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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