The replacement of a Goshawk ignition coil due to material issues at high temperatures.
| Identifier | ExFiles\Box 45\4\ Scan176 | |
| Date | 18th July 1923 | |
| X4079 To Hr. from EFC. {E. Fowler Clarke - Electrical Engineer} EFC {E. Fowler Clarke - Electrical Engineer} 1/T18.7.23. X.4079 - GOSHAWK(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) IGNITION COIL. We are sending you herewith tall Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) type coil TG1 which has now been fitted in a Redmanol case. We are changing all these tall coil cases, as the mouldensite material does not seem immune from the trouble which we have experienced at high temperatures. Therefore we want back for this purpose the coil 2TG3 which you have at present on the car. 2G II. Will you kindly arrange for this change to be effected and the old coil returned to us. EFC. {E. Fowler Clarke - Electrical Engineer} This coil was not fitted. E.F.C. 2GII fitted with Std coil 20.7.23 | ||
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).