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 of faulty K.L.G. sparking plugs returned from Bentley cars.
| Identifier | ExFiles\Box 162\3\ img044 | |
| Date | 14th December 1936 | |
| 6000. From Rm{William Robotham - Chief Engineer}/Br.{T. E. Bellringer - Repair Manager} c. to Wst. Rm{William Robotham - Chief Engineer}/Br.6/AP.14.12.36. BENTLEY SPARKING PLUG COMPLAINTS. The K.L.G. sparking plugs which have been returned to us as faulty, have been tested with results as follows:- B.192 A.H. job 3104. K.L.G.350 Total Mileage 5427. Complaint Misfiring at high speeds. These plugs were tested over 50 miles of high speed driving. No misfires were experienced either on low speed pick-up, intermediate or high speeds. 90 M.P.H. was attained on several occasions and the speed held as long as possible without the plugs giving trouble. --------- B.72.H.K. K.L.G.850. B.28.D.G. " B.53.G.P. " The plugs from the above cars, whilst giving no trouble on low speed pickup, misfired at all speeds above 25 M.P.H. Rm{William Robotham - Chief Engineer}/W.Brazier. | ||