Design comparison showing existing and suggested schemes for Cross Steering Tube Ball Joints for the Wraith III and Phantom III models.
| Identifier | ExFiles\Box 153\2\ scan0338 | |
| Date | 22th June 1937 | |
| Existing Scheme PACKING BLOCK G.W. 1041 IN ALUM 4-OFF MACHINED ALL OVER. FRONT BACK. & SIDES Suggested Scheme SUGGEST EXTRA METAL BE LEFT ON FACE OF SOCKET G.W. 1282-B TO REPLACE PACKING BLOCK .015 CHAMFER ON CAP NUT G.W. 1519 DELETED ROLLS-ROYCE LTD. PRINT ROOM JUN 22 1937 DERBY. SUGGEST ALSO THAT Ph III SOCKETS BE MODIFIED BY LEAVING METAL ON LOCALLY & DELETING PACKING BLOCK. Wraith III Ph III CROSS STEERING TUBE BALL JOINTS. Ex| 182. | ||
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).