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 replacing a cast iron induction and bend with an aluminium version to reduce weight.
| Identifier | ExFiles\Box 171\1\ img035 | |
| Date | 6th July 1926 | |
| RR 755 (10H) (DB{Donald Bastow - Suspensions}130 12-9-24) MS 301225 ORIGINAL (STAMP) COMPLETED 10.8.26 STANDARDISATION of CHASSIS PARTS. Date 6.7.26 X No. 8071 Description of Parts: ALUMINIUM INDUCTION AND BEND IN PLACE OF CAST IRON. Origin: To reduce weight. 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. Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part: £ 6. 4. 6d. Cost of New Part: £ 5. 16. 6d. Difference per Car: £ 8. 0d. saving. 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. 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 ......£...... Signature of Mr. DE LOOZE that above is correct. My/Rb.{R. Bowen} 9.7.26. SIGNATURES | DATE | REMARKS MR. JOHNSON | 8.7.26 | Agreed providing poor petrol cons. on 11-EX is not caused by this alteration in dia, which I understand is the case. CWB. MR B. JOHNSON | 10.8.26 | Agreed. B.Johnson. MR. ROYCE | Jul 7/26 | Agreed FHR MR. WORMALD | 8.7.26 | 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 AE MR. NORTHEY | 27.7.26 | Agreed. PN.{Mr Northey} MR. HIVES | 6.7.26 | Agreed. Hs.{Lord Ernest Hives - Chair} PHANTOM (STAMP) | ||