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 exhaust heated throttle to improve running on low-grade petrol.
| Identifier | ExFiles\Box 50\3\ Scan237 | |
| Date | 8th September 1922 | |
| R.R. 755 (5 H) (S.J. 291. 19-10-21) G. {Mr Griffiths - Chief Accountant / Mr Gnapp} 2057. X4305B COMPLETED 5.10.22. STANDARDISATION of CHASSIS PARTS. Description of Parts. Exhaust heated throttle. Origin. In order to get satisfaction running on low grade petrol. Experimental Test Report. The advantages in this scheme are :- (1) Lower grade petrol can be used with no disadvantage. (2) The car can be run from cold satisfactorily without a long warming up period. Road Test Report. Run 11,000 miles on 1.EX " 1,000 " " 6.EX. " 2,000 " " 2.EX. Fitted to 2 chassis supplied to Canada. 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.......... £.......... Storekeeper advised re above: Storekeeper's Signature Signature of Exp. Dept. that above is correct. E.Hives. Weight of Old Part. Cost of Old Part. £ 12. 4. 4 Weight of New Part. Cost of New Part. £ 13. 14. 7 Difference per Car. Difference per Car. £ 1. 10. 3 increase. Signature of Mr. De LOOSE that above is correct. My/JW 14 9 22 SIGNATURES | DATE | REMARKS Mr. JOHNSON Mr. E. {Mr Elliott - Chief Engineer} Johnson. | 18.9.22 | agreed & Mr. ROYCE | 18.9.22 | agreed 3.10.22. Agreed. FHR. Mr. WORMALD | 14.9.22 | Agreed. Wor. {Arthur Wormald - General Works Manager} Mr. ROWLEDGE | 12.9.22 | Agreed. Rg. {Mr Rowledge} Mr. DAY | 11.9.22 | Agreed. Da. {Bernard Day - Chassis Design} Mr. BAILEY | 9.9.22 | Agreed. BY. {R.W. Bailey - Chief Engineer} Mr. PLATFORD | 11.9.22 | Agreed, Consider of vital importance for coming Winter. Otherwise carburation unsatisfactory during cold weather and present inferior petrol. Mr. NORTHEY ENT. for S.M. Inc. | 15.9.22 | Agreed. PN {Mr Northey} ) EP. {G. Eric Platford - Chief Quality Engineer} | ||