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).
Summary of tests on a lightened front axle including comparisons, steering friction, tyres, and suspension settings.
| Identifier | WestWitteringFiles\P\2July1926-September1926\ Scan185 | |
| Date | 1st September 1926 | |
| Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}4/LG30. 9.26. TESTS ON LIGHTENED FRONT AXLE (G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 74294). SUMMARY. I. COMPARISON - STANDARD V.{VIENNA} LIGHTENED AXLE a.{Mr Adams} Lightness. b. Selectiveness. c. Road shocks. d.{John DeLooze - Company Secretary} High speed wobbles. e.{Mr Elliott - Chief Engineer} Self-centering. f.{Mr Friese} Low speed wobbles. II. FRICTION IN THE STEERING. a.{Mr Adams} Friction generated by the car weight. b. spring load. III. TYRES. a.{Mr Adams} 6.75" traction tread Dunlops. b. 6.20" Michelins. c. Dunlop traction tread v.{VIENNA} triple stud. d.{John DeLooze - Company Secretary} 33 x 5" standard high pressure tyres. IV. REAR TYRE PRESSURES AND CAR CONTROL. V.{VIENNA} SHOCK DAMPER SETTING. a.{Mr Adams} Front. b. Rear. VI. SIDE STEERING TUBE ARRANGEMENT. a.{Mr Adams} Standard with various spring ratings. b. Experimental. VII. ROAD SPRINGS. a.{Mr Adams} Woodhead reversed leaf. b. Lamoine 1250 and 1300 lbs. springs. | ||