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 document for a friction device for pivots to prevent low speed wobbles.
| Identifier | ExFiles\Box 172\1\ img084 | |
| Date | 30th April 1926 | |
| RR 735 (10H) (DB{Donald Bastow - Suspensions}130 12-9-24) MS 301225 ORIGINAL. COMPLETED 13.5.26. STANDARDISATION of CHASSIS PARTS. Date 30.4.26 Description of Parts: FRICTION DEVICE FOR PIVOTS. Origin: To prevent low speed wobbles. Experimental Test Report. We are receiving a number of complaints of low speed steering wobbles on 20 HP. since we deleted the friction device on the pivots. It is recommended we fit the friction device to one pivot. Road Test Report. Run 5000 miles on 9-G-111. Fitted to two customers cars who complained of wobbles. The scheme is similar to that used on all 20 H.P. before front wheel brakes. Drawing No. 5430 Part List 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. £ 14. 2d. Weight of New Part. - Cost of New Part. £ 16. 8d. Difference per Car. - Difference per Car. £ 2. 6d. 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/Rb.{R. Bowen} 4.5.26. SIGNATURES, DATE, REMARKS MR. JOHNSON MR. B. JOHNSON, 13.5.26, Agreed. B.Johnson. MR. ROYCE, 3/5/26, Agreed FHR MR. WORMALD, 1.5.26, Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE, 7.5.26, Agreed; Rg.{Mr Rowledge} MR. DAY, 4.5.26, Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY, 3.5.26, Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD, 1.5.26, Agreed. EP.{G. Eric Platford - Chief Quality Engineer} Very urgent. Should be in position to apply in case complaints. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT, 4/5/26, Agreed CE MR. NORTHEY, 10.5.26, Agreed. PN.{Mr Northey} MR. HIVES, 10.5.26, Agreed. E.Hives. [STAMPED TEXT: 20 H.P. CHASSIS] | ||