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 a slipper wheel fitted with dowel pegs to improve reliability.
| Identifier | ExFiles\Box 171\3\ img265 | |
| Date | 10th December 1925 | |
| RR 755 (10H) (DB{Donald Bastow - Suspensions}130 12-9-24) MS 301225 ORIGINAL COMPLETED 22.12.25 STANDARDISATION of CHASSIS PARTS. Date 10.12.25 No. 8300 Description of Parts: SLIPPER WHEEL FITTED WITH DOWEL PEGS. Origin: To improve reliability. Experimental Test Report: We have had cases of the bolts breaking holding the slipper wheels together. The dowel pegs will overcome this. Road Test Report: Fitted to 8-EX car - run 10,000 miles in France. Fitted to 44-PK, 11-EX and 10-EX - Total miles 6400. [X] 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: £2. 8. 11. Weight of New Part: Cost of New Part: £2. 11. 7. Difference per Car: Difference per Car: £ 2. 8d. increase. Signature of Mr. De LOOZE that above is correct. My/Rns. 16.12.25 SIGNATURES | DATE | REMARKS MR. JOHNSON | 22.12.25 | Agreed. C. Johnson MR. B. JOHNSON | 22.12.25 | Agreed. BJ. MR. ROYCE | 18/12/25 | Agreed FHR MR. WORMALD | 11.12.25 | Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE | 11.12.25 | Agreed. RG.{Mr Rowledge} MR. DAY | 12.12.25 | Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY | 11.12.25 | Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD | 11.12.25 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT | 14/12/25 | Agreed OE MR. NORTHEY | 11.12.25 | Agreed. PN.{Mr Northey} MR. HIVES | 21.12.25 | Agreed. E.{Mr Elliott - Chief Engineer} Hives. STAMPED TEXT: ACTION | ||