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).
Low-speed riding trouble, shock absorber loading, and damper testing.
| Identifier | ExFiles\Box 55\4\ Scan255 | |
| Date | 20th August 1928 | |
| +235 To PN.{Mr Northey} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}4/LG20.8.28. SPRINGING. +8410 With reference to PN{Mr Northey}1/WT17.8.28 1/2 Your impressions confirm our results. We find that on the whole the low speed riding trouble is emphasised by making the high pressure load double that of the low pressure but reduced to the minimum if the loads approach equality. We think that it would be very useful if you could confirm your impressions sitting in the back of the car being driven about London, and then repeat the test reverting to the standard dampers. We want confirmatory evidence to condemn this type of shock absorber loading. When you have finished the test will you please let us have the damper springs back. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||