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 proposal for scuttle and dash isolation on the 40/50 chassis.
| Identifier | ExFiles\Box 53\4\ Scan136 | |
| Date | 12th May 1925 | |
| RR 755 (10M) (SL391 2-11-23) MP 281297 LHG13 COMPLETED 3.6.25. STANDARDISATION of CHASSIS PARTS. Date 12/5/25. No. 1000. Drawing No. Sch.190. Part List Description of Parts. SCUTTLE AND DASH ISOLATION. 40/50 CHASSIS. Origin: Coachbuilder's complaints of cracked panels, scuttle booms and rattles. Experimental Test Report. The majority of expl. cars have been fitted with total isolation. See attached report. Road Test Report. (COACHBUILDERS) Total isolation has been used by the leading coach-builders for 3 or more years (Unofficially). It is now considered essential to prevent cracked scuttles, scuttle booms & rattles. It is now becoming almost universal and may be found on many different makes of chassis, especially of Continental origin. See attached report. 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. £ Weight of New Part. £ Cost of New Part. £ Difference per Car. £ Difference per Car. £ Cost of Parts in Works which will be scrapped if commenced on:- Series............£............ Series............£............ Series............£............ Signature of Mr. De LOOZE that above is correct. SIGNATURES | DATE | REMARKS MR. JOHNSON | 18.5.25 | Agreed. C.Johnson. MR. B. JOHNSON | 19.5.25 | Agreed. B.J. MR. ROYCE | 25.5.25 | Agreed. FHR. MR. WORMALD | 15-5-25 | Agreed Wbr MR. ROWLEDGE | 22.5.25 | Agreed. Rg.{Mr Rowledge} MR. DAY | 25.5.25 | Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY | 14.5.25 | Agreed By MR. PLATFORD | 15/5/25 | Agreed I.B. my previous comments still apply. I.P. MR. ELLIOTT | 26.5.25 | Agreed. Provided that the scuttle itself is armoured. E.{Mr Elliott - Chief Engineer} MR. NORTHEY | 22.5.25 | Agreed. PN.{Mr Northey} MR. HIVES | 14/5/25 | Agreed HS{Lord Ernest Hives - Chair} STANDARDISATION OF COACHWORK FEATURES SIGNATURE | DATE | REMARKS LORD HERBERT SCOTT for C.S.C. MR.EVERNDEN for LEADING COACH-BUILDERS. | ||