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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).
Impregnation and filling of ignition coils with 'Seekay' wax.

Identifier  ExFiles\Box 61\1\  scan0283
Date  24th September 1935
  
RR 755B (SH) 74499. 7-1-35 BM 3/2327/1.
COMPLETED 30.1.36.
BENTLEY STANDARDISATION of PARTS.
Date 10-10-35
Date 24.9.35.
X No. 6110.
Drawing No.
Part List
Description of Parts. IMPREGNATION AND FILLING OF IGNITION COILS WITH "SEEKAY" WAX.
Origin. To improve life of coil. To prevent top layer breakdowns of secondary winding.
Report of Experimental Test. Fitted to 3-S-I for 10,000 miles test. Ran 1,000 hours on Bench rig satisfactorily.
Weight of Old Part.
Cost of Old Part. £
Cost of Parts in Works which will be scrapped if commenced on:-
Series..........£.......
Series..........£.......
Series..........£.......
Weight of New Part.
Cost of New Part. £
Difference per Car.
Difference per Car. £ Negligible
Signature from Cost Dept. that above is correct. GRL 9-10-35.
INITIAL
DATE
REMARKS
SG.{Arthur F. Sidgreaves - MD} 29-1-36 Agreed SG.{Arthur F. Sidgreaves - MD}
WOR.{Arthur Wormald - General Works Manager} 11.10.35. Agreed Wor.{Arthur Wormald - General Works Manager}
C. 11.10.35. Agreed C.
RG.{Mr Rowledge}
DA.{Bernard Day - Chassis Design} 28.10.35. Agreed Da.{Bernard Day - Chassis Design}
BY.{R.W. Bailey - Chief Engineer} 11.10.35. Agreed By.{R.W. Bailey - Chief Engineer}
EP.{G. Eric Platford - Chief Quality Engineer} 11.10.35. Agreed EP.{G. Eric Platford - Chief Quality Engineer}
E.{Mr Elliott - Chief Engineer} 8.1.36. Recommend trying a number of coils on production.
SFT.{Mr Swift} 12.10.35. Agreed Sft.{Mr Swift}
MX.{John H Maddocks - Chief Proving Officer} 11.10.35. Agreed Mx.{John H Maddocks - Chief Proving Officer}
HS.{Lord Ernest Hives - Chair} 10.10.35. Agreed Hs.{Lord Ernest Hives - Chair}
STAMP: J.S. 29 JAN 1936
  
  


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