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).
The testing and replacement of spark plugs and other components at various mileages.
| Identifier | ExFiles\Box 162\3\ img109 | |
| Date | 11th March 1938 | |
| ( 2 ) 6/.II.3.38. 26.G.VI. Car sent out with K.L.G. FLB.30 X. plugs fitted. 321 miles. Arrived at Chateauroux. Plugs set at .030" 3,428 miles. K.L.G. FLB.30 X. plugs removed. No appreciable increase in gaps. New set Lodge Sintox plugs, 3 type 640 and 3 type 641 fitted. Set at .030". 5,922 miles. Lodge Sintox plugs removed for trial in Bentley. Original K.L.G. FLB.30 X. plugs replaced. 10,330 miles. K.L.G. FLB.30 X. plugs removed, gaps measured after 8,836 miles running. Nos. 1. 2. 3. 4. 5. 6. .033" .034" .030" .035" .030" .034" Lodge Sintox plugs fitted for further running. K.L.G. plugs removed, fitted to Bentley for return to England. The Delco coil sent out from Works was fitted at 3,428 miles, and is still running. The R.R. distributor was fitted at 5,323 miles. ------- Hm{Capt. W. Hallam - Head Repairs}/LMW. | ||