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).
Standardisation of parts for the impregnation and filling of ignition coils with 'Seekay' wax.
| Identifier | ExFiles\Box 61\1\ scan0284 | |
| Date | 24th September 1935 | |
| RR 755A (SH) (57312. 29-12-33) BM 3/640/2 COMPLETED 30.1.36. 20/25 STANDARDISATION OF PARTS. Date 10-10-35 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. £ Weight of New Part. Cost of New Part. £ Difference per Car. Difference per Car. £ Negligible Signature from Cost Dept. that above is correct. G/RL 9-10-35. Cost of Parts in Works which will be scrapped if commenced on:- Series.........£....... Series.........£....... Series.........£....... 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} 20.10.35. Agreed 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 limited number of coils only, on production. E.{Mr Elliott - Chief Engineer} BM. SN.{Mr Sanderson} 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 | ||