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 an ignition coil with a finer primary winding (Redmanol Case).
| Identifier | ExFiles\Box 172\3\ img094 | |
| Date | 16th September 1926 | |
| RR 758 (10M) (DB{Donald Bastow - Suspensions}130 12-9-24) MS 301225 ORIGINAL COMPLETED 19.10.26 STANDARDISATION of CHASSIS PARTS. Date 16.9.26 No. 4653 Drawing No. D.51403 Description of Parts: IGNITION COIL WITH FINER PRIMARY WINDING (REDMANOL CASE) (25 SWG.) Origin: Improvement of current consumption and effect of platinum contact points. Experimental Test Report: See EFC2/T4.3.26 - in addition to which there has been completed on 20 HP. 10-G-3 a 10,000 miles test of such a finer primary coil with Redmanol case, with entire satisfactory results. There has now been completed a satisfactory 10,000 miles test on 40/50 HP. chassis 12-EX. Road Test Report: The platinum points remained in good condition. There was no trouble in both cases with the coil which gave good results during the tests. Part List: A Scrap and replace at all costs, including Chassis already delivered to customers. B Scrap and replace on Chassis in works. C [X] Scrap present stock and replace on all Chassis not yet handed to test. D Use existing stock Alteration effective on future Chassis. Weight of Old Part. £ Weight of New Part. £ Difference per Car: Nil. Cost of Old Part. £ Cost of New Part. £ Difference per Car: Negligible. Cost of Parts in Works which will be scrapped if commenced on:- Series.....£...... Series.....£...... Signature of Mr De LOOZE that above is correct. My/Rb{R. Bowen} 18.9.26 SIGNATURES | DATE | REMARKS MR. C.W.B. | 18.9.26 | Agreed. CWB. MR. B. JOHNSON | 18.10.26 | Agreed. B.Johnson. MR. ROYCE | 19/9/26 | Agreed. FHR. MR. WORMALD | 22.9.26 | Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE | 14.9.26 | Agreed. Rg.{Mr Rowledge} MR. DAY | 16.9.26 | Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY | 17.9.26 | Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD | 16.9.26 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT | 18/9/26 | Agreed. AE. MR. NORTHEY | 18.10.26 | Agreed. PN.{Mr Northey} MR. HIVES | 16.9.26 | Agreed. Hs.{Lord Ernest Hives - Chair} [Green Stamp: PHANTOM CHASSIS] | ||