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).
Alteration sheet for the implementation of rear hydraulic shock dampers on the 40/50 chassis.
| Identifier | ExFiles\Box 171\1\ img067 | |
| Date | 1st October 1926 | |
| RR 288A (10M) (SL 72 18-7-23) MP 274954A ORIGINAL. COMPLETED 6.12.26 ALTERATIONS TO R.R. 40/50 CHASSIS. ENGINE PARTS. Description of Parts: REAR HYDRAULIC SHOCK DAMPERS. Origin: To increase steering stability and prevent passengers hitting the roof over bad roads at speed. Experimental Test Report: These dampers materially improve the riding in the rear of the car and maintain their setting indefinitely. Shields were found necessary to protect them from flying stones and their fixing requires slight modification. Run 10,000 miles on 12-EX car. " 3,000 " " 44-PK car. DATE: 1.10.26 X No. 235 7520 8520 Drawing No. N.sch.2182 N.sch.2186 Part List Air Ministry consent obtained Difference in weight. "A"--Scrap and replace at all costs. "B"--Scrap and replace on those engines in Works. "C"--Scrap present stock and replace on all engines not yet handed to rest. "D"--Use up existing stock. Alteration effective on future engines. Signature of Expl. Dept. that above is correct Weight of Old Part Cost of Old Part £ 4. 4. 3. Cost of Parts in Works and Stores which will be scrapped if commenced on:-- Weight of New Part Cost of New Part £ 14. 12. 3d. Difference per Engine Difference per Engine £ 10. 8. 0d. Increase. Signature of Mr. De LOOZE that above is correct My/Rb.{R. Bowen} 20.11.26 SIGNATURES | DATE | REMARKS C.W.B. | 2.10.26 | Agreed. CWB. MR. B. JOHNSON | 6.12.26 | Agreed. B.Johnson. MR. ROYCE | 5/10/26 | Agreed FHR MR. WORMALD | 5.10.26 | Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE | 5.10.26 | Agreed. Rg.{Mr Rowledge} MR. DAY | 6/10/26 | agreed Da{Bernard Day - Chassis Design} MR. BAILEY | 11.10.26 | Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD | 4.10.26 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT | 4/10/26 | Agreed AE MR. HIVES | 1.10.26 | Agreed. Hs.{Lord Ernest Hives - Chair} Mr.Northey. | 25.10.26 | Agreed. PN.{Mr Northey} [STAMPED] PHANTOM | ||