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 chassis parts to replace the primer with a pilot jet to improve engine starting.
| Identifier | ExFiles\Box 74\2\ scan0085 | |
| Date | 26th June 1922 | |
| R R 755 (5 H) (S H 268, 29-9-20) G 2354 COMPLETED 29.7.22. STANDARDISATION of CHASSIS PARTS. Description of Parts. Pilot Jet to replace primer - to be operated from instrument board. Origin. To improve starting. Experimental Test Report. We have had pilot jets fitted to cars for twelve months. The advantages with the pilot jet are - (1) No pumping required. (2) Engine can be kept running when started up cold. Road Test Report. Fitted to 1.EX 6000 miles. Fitted to 6.EX 3000 miles. Fitted to Riveria trials cars 1922. Fitted as standard to all R-R cars produced at Springfield. Signature of Exp. Dept. that above is correct. E.{Mr Elliott - Chief Engineer} Hives. Cost of Old Part. £3. 1. 10 fitted to chassis Cost of New Part. £4. 17. 10 fitted to chassis Difference per Car. £1. 16. 0 increase. fitted to chassis Signature of Mr. De LOOZE that above is correct. My. 7.7.22 Mr Stock SIGNATURES Mr. JOHNSON (Mr. B. Johnson.) DATE: 24.7.22 REMARKS: Agreed, if priming device parts are used up first. BJ. Mr. ROYCE DATE: 25.7.22 REMARKS: Agreed, adopt at once FHR. Cannot see that this should cost more than primer and its fittings. Mr. WORMALD DATE: 21.7.22 REMARKS: Agreed. Wor.{Arthur Wormald - General Works Manager} Mr. BARRINGTON DATE: 26.6.22 REMARKS: Agreed. Rg.{Mr Rowledge} Mr. DAY DATE: 28.June.22 REMARKS: Agreed DA{Bernard Day - Chassis Design} Mr. BAILEY DATE: 26.6.22 REMARKS: Agreed. BY.{R.W. Bailey - Chief Engineer} Mr. PLATFORD DATE: 25.6.22 REMARKS: Agreed. EP.{G. Eric Platford - Chief Quality Engineer} Mr. NORTHEY DATE: 28.6.22. REMARKS: Agreed. PN.{Mr Northey} L.W.T. for R.R. Inc. 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 of Parts in Works which will be scrapped if commenced on:- Series... £... Series... £... Series... £... see my Jw/a1/139a/M.7.7.22 Storekeeper Advised re above: Storekeeper's Signature. | ||