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 front hydraulic shock dampers to prevent high speed wobbles.
| Identifier | ExFiles\Box 16\4\ Scan011 | |
| Date | 23th September 1926 | |
| RR 755 (10H) (DB{Donald Bastow - Suspensions}130 12-9-24) MS 301225 47520 COMPLETED 20.10.26 STANDARDISATION of CHASSIS PARTS. Date 23.9.26 X No. 235 No. 7520 Drawing N.sch 20 85 Part List L.O.P. F.74807 Description of Parts: FRONT HYDRAULIC SHOCK DAMPERS. Origin: To prevent high speed wobbles, reliable damping under all conditions. Experimental Test Report: 10,000 miles in France fitted to 12-EX. Run approximately 30,000 miles on seven other cars in England and France. Road Test Report: Great improvement over existing shock dampers. [Action 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. £ 6-14-10 Weight of New Part. Cost of New Part. £ 14-0-2 Difference per Car. Difference per Car. £ 7-5-4 increase 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 RRL 11/10/26 SIGNATURES | DATE | REMARKS MR JOHNSON | 24.9.26 | Agreed. | CWB. MR. B. JOHNSON | 20.10.26 | Agreed. | B.Johnson. MR. ROYCE | 25.9.26 | Agreed. | FHR. MR. WORMALD | 24.9.26 | Agreed. | Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE | 27.9.26 | Agreed. | Rg.{Mr Rowledge} MR. DAY | 27.9.26 | Agreed. | Da.{Bernard Day - Chassis Design} MR. BAILEY | 11.10.26 | Agreed. | BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD | 27.9.26 | Agreed. | EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT | 27.9.26 | Agreed. | E.{Mr Elliott - Chief Engineer} MR. NORTHEY | 1.10.26 | Agreed. | PN.{Mr Northey} MR. HIVES | 23.9.26 | Agreed. | Hs.{Lord Ernest Hives - Chair} [Stamp] PHANTOM | ||