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 to the rear road spring roller and plate for 40/50 HP chassis.
| Identifier | ExFiles\Box 171\1\ img047 | |
| Date | 24th September 1926 | |
| RR 288A (10H) (SL 72 18-7-23) MP 274954A ORIGINAL (Stamp) COMPLETED 19.10.26 (Stamp) 40/50 HP. CHASSIS. ALTERATIONS TO R.R. AERO ENGINE PARTS. (AERO ENGINE PARTS is struck through) CONDOR FALCON HAWK (Blue stamp) DATE 24.9.26 Description of Parts: REAR ROAD SPRING ROLLER AND PLATE. Origin: To reduce thumping of rear springs (side thrust.) Experimental Test Report: 10,000 miles in France fitted to 12-EX. Fitted as standard on all Springfield built cars. No knocking of rear springs detected during the test. Very small amount of wear had taken place. X No. 7410 Drawing No. G.74670 No. E.74832 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 test. "D"-Use up existing stock. Alteration effective on future engines. (Ticked) PHANTOM (Large green stamp) Signature of Expl. Dept. that above is correct Weight of Old Part: Cost of Old Part: £ 16s. 9d. Weight of New Part: Cost of New Part: £ 1. 0s. 0d. Difference per Engine: Difference per Engine: £ 3s. 3d. increase. Cost of Parts in Works and Stores which will be scrapped if commenced on: -- Signature of Mr. De LOOZE that above is correct: MV/Rb.{R. Bowen} 14.10.26. SIGNATURES | DATE | REMARKS [Signature crossed out] C.W.B. | 25.9.26 | Agreed. | CWB. MR. B. JOHNSON | 18.10.26 | Agreed. | B.Johnson. MR. ROYCE | 1/10/26 | 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 | 1/10/26 | 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 | 1/10/26 | Agreed OE MR. HIVES | 24.9.26 | Agreed. | Hs.{Lord Ernest Hives - Chair} Mr. Northey. | 29.9.26 | Agreed. | PN.{Mr Northey} | ||