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 the chassis spare wheel carrier to improve reliability.
| Identifier | ExFiles\Box 171\1\ img016 | |
| Date | 8th February 1926 | |
| RR 755 (10H) (DB{Donald Bastow - Suspensions}130 12-9-24) MS 301225 ORIGINAL COMPLETED 22.3.26 STANDARDISATION of CHASSIS PARTS. Date 8.2.26 X No. 8600 Drawing No. Part List Description of Parts: SPARE WHEEL CARRIER. Origin: To improve reliability. Experimental Test Report: Two tubular brackets are carried off the frame. The position of wheel carrier has been agreed to by Sales. The alternative scheme with the single bracket failed owing to the bolt fixing the wheel breaking. Road Test Report: Run 14,000 miles on 8-EX car. 12,000 miles of this in France. No trouble whatever. Weight of Old Part: Cost of Old Part: Weight of New Part: Cost of New Part: £ 2. 18. 0 Difference per Car: Difference per Car: £ 2. 18. 0 per carrier. Signature of Mr. DE LOOZE that above is correct. WY/Rns. 15.2.26. [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. Cost of Parts in Works which will be scrapped if commenced on:- Series............ Series............ Series............ SIGNATURES | DATE | REMARKS MR. JOHNSON | 16.3.26 | Agreed. C.Johnson. MR. B. JOHNSON | 16.3.26 | Agreed. BJ. Only as an extra when ordered. MR. ROYCE | 10.2.26 | Agreed. FHR MR. WORMALD | 10.2.26 | Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE | 10.2.26 | Agreed. Rg.{Mr Rowledge} MR. DAY | 9.2.26 | Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY | 15.2.26 | Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD | 9.2.26 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT | 17.2.26 | Agreed. E.{Mr Elliott - Chief Engineer} Recommend it should always be arranged for wheel to have smaller radius than wheel so that tyre rests on 2 spots instead of one. E.{Mr Elliott - Chief Engineer} MR. NORTHEY | | MR. HIVES | 15.3.26 | Agreed. | ||