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 Aluminium Induction and Bend in place of Cast Iron to reduce weight.
| Identifier | ExFiles\Box 66a\2\ scan0125 | |
| Date | 6th July 1926 | |
| RR 755 (10H) (DB{Donald Bastow - Suspensions}130 12-9-24) MS 301225 COMPLETED 10.8.26 STANDARDISATION of CHASSIS PARTS. Date 6.7.26 Description of Parts: ALUMINIUM INDUCTION AND BEND IN PLACE OF CAST IRON. Origin: To reduce weight. No. 8071 Drawing No. Part List Experimental Test Report. The induction pipe and bend is reduced in dia. from 2" to 1.75". There is no reduction in power compared with present standard. Road Test Report. Fitted to 8-EX - run 12,000 miles in France. Fitted to 7-EX - run 8,000 miles. Fitted to 11-EX - run 17,000 miles. No troubles. [Decision Box] 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. Weight of Old Part. Cost of Old Part: £ 6. 4. 6d. Weight of New Part. Cost of New Part: £ 5. 16. 6d. Difference per Car. Difference per Car: 8. 0d. saving. 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/Rb.{R. Bowen} 9.7.26 [APPROVALS TABLE] SIGNATURES | DATE | REMARKS MR. JOHNSON C.W.B | 8.7.26 | Agreed providing poor petrol consumption on 11-EX is not caused by this alteration in dia., which I understand is the case. MR. B. JOHNSON | 10.8.26 | Agreed MR. ROYCE | 7.7.26 | Agreed. FHR. MR. WORMALD | 6.7.26 | Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE | 7.7.26 | Agreed. Rg.{Mr Rowledge} MR. DAY | 8.7.26 | Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY | 12.7.26 | Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD | 7.7.26 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT | 7.7.26 | Agreed. E.{Mr Elliott - Chief Engineer} MR. NORTHEY | 27.7.26 | Agreed. PN.{Mr Northey} MR. HIVES | 6.7.26 | Agreed. Hs.{Lord Ernest Hives - Chair} [A large green stamp reading 'PHANTOM' is across the center of the document.] | ||