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 report for a modified K.L.G. sparking plug design to improve insulation.
| Identifier | ExFiles\Box 58\3\ Scan081 | |
| Date | 20th May 1924 | |
| RR 755 (10H) (SL391 2-11-23) MP 281297 completed 29/5/24 STANDARDISATION of CHASSIS PARTS. Description of Parts. K.L.G. SPARKING PLUGS. Origin. To Improve design. Experimental Test Report. The plug is identical to the one which has been fitted as standard to all 20 HP. cars except that there is an increased length of insulation. The modification has been made to overcome complaints of the spark jumping across the insulation. Road Test Report. Run on several test cars and test bench. It is proposed to order 500 plugs to prove them out in bulk. This is the standard procedure with sparking plugs. [Right hand side box] X No. 1918 Drawing No. Part List A Scrap and replace at all costs, including Chassis already delivered to customers. B Scrap and replace on Chassis in works. C Scrap present stock and replace on all Chassis not yet handed to test. D Use existing stock Alteration effective on future Chassis [Cost section] Weight of Old Part. £ Cost of Old Part. £ Weight of New Part. £ Cost of New Part. £ Difference per Car. £ None. Cost of Parts in Works which will be scrapped if commenced on:- Series.......... £ .......... Series.......... £ .......... Series.......... £ .......... Signature of Mr. De LOOZE that above is correct. My/Rns. 20.5.24. SIGNATURES | DATE | REMARKS MR. JOHNSON | 29 May | agreed GJohnson MR. B. JOHNSON | 27.5.24 | Agreed of MR. ROYCE | 24.5.24 | Agreed. FHR. MR. WORMALD | 20.5.24 | Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE | 20.5.24 | Agreed. Rg.{Mr Rowledge} MR. DAY | 25.5.24 | Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY | 20.5.24 | Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD | 20.5.24 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT | 24.5.24 | Agreed. E.{Mr Elliott - Chief Engineer} MR. NORTHEY | 21.5.24 | Agreed. PN.{Mr Northey} MR. HIVES | 28.5.24 | Agreed. E.{Mr Elliott - Chief Engineer} Hives. | ||