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).
Fitting stronger springs to correct steering wobbles on Phantom III chassis, including a table of results.
| Identifier | ExFiles\Box 95\1\ scan0470 | |
| Date | 6th January 1938 | |
| To Rolls-Royce Ltd. Derby........... By ---- Copy to .........Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} Handwritten Note: 350 also 124- Sr. is absent Levallois VA7/BT.{Capt. J. S. Burt - Engineer}6.I.38 Re: STEERING WOBBLES AND JOGGLES ON PHANTOM III CHASSIS --------------------------- For your information, when attending to complaints in connection with the above, we fit the stronger type G.S5490 springs to the cross steering tubes,in some cases, as a precautionary measure. Up to the present, we have fitted the above type of springs to the following cars: Handwritten Note: J/H.{Arthur M. Hanbury - Head Complaints} Chassis No: Date fitted: Mileage: Last recorded mileage: Remarks: Kms. Kms. 3.BU. 94 16. 9.37 9.000 9.700 3.AZ.140 24. 9.37 28.030 42.389 At 39.160 Kms. we found that the load had fallen from 3 1/2 lbs. to 2 to 2 1/2 lbs. on each ball end. We added packing washers and increased the load to about 4 lbs. on each ball end. 3.BU.140 7.10.37 New car. 3.BT.{Capt. J. S. Burt - Engineer} 9 11.10.37 8.840 K 3.BT.{Capt. J. S. Burt - Engineer} 3 14.10.37 9.150 K 3.AZ. 20 26.10.37 36.730 K 43813 At 41.490 Kms., we found that the load had falled from 3 1/2 lbs. to 1 1/2 lbs. on each ball end. We added packing washers and increased the load to about 4 lbs. on each ball end. 3.AZ.150 2.11.37 13.653 M 16.474 3.AZ.206 10.11.37 6.600 K 3.AX.179 12.11.37 11.310 miles (Handwritten: 3521.) 3.AZ.210 22.11.37 3.340 " 3.AX.201 3.12.37 6.250 " 3.AZ.212 8.12.37 20.967 K 3.CP. 34 13.12.37 4.924 miles We will send you some further information when the above cars have covered more mileage. VA. | ||