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).
Modification to the cross steering tube to reduce friction for cars with older front axles.
| Identifier | ExFiles\Box 67\3\ scan0037 | |
| Date | 13th April 1927 | |
| To BY.{R.W. Bailey - Chief Engineer} from Hs{Lord Ernest Hives - Chair}/Sn.{Mr Sanderson} c. to Mx.{John H Maddocks - Chief Proving Officer} c. to Hm.{Capt. W. Hallam - Head Repairs} X8425 Hs{Lord Ernest Hives - Chair}/Rml/LG13.4.27. FRICTION IN THE CROSS STEERING TUBE. X8425 X8420 The spring loaded cross steering tube was originally arranged for the lightened type front axle only. It is now being used retrospectively for cars fitted with the old type front axle and occasionally balloon tyres. The steering of the car with the old type front axle is definitely heavier than with the lightened axle. We therefore consider that in these cases the best compromise is obtained with a load of about 900 lbs. on the cross steering tube ball ends instead of the 1250 lbs. at present universally employed. As far as we can see, the simplest method of obtaining this second load with the minimum alteration is to fit a loose distance collar .040" thick on G.73960 as indicated in sketch. We have tried this out. The spring set up for the required clearance of .005 - .013 looking through contd :- [Text from diagram] LOOSE COLLAR. G.73960 .04" | ||