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).
Specification sheet for the 1st motion shaft bearings for the Phantom III chassis.
| Identifier | ExFiles\Box 94\2\ scan0135 | |
| Date | 18th December 1936 | |
| To. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} 18.12.36. PHANTOM III. CHASSIS. 1st. MOTION SHAFT BEARINGS. Dia. of Bore of Dia. of Outside Dia. Shaft. Bearing. Housing. of Bearing. FRONT BEARING. 1.9685+¼ 1.9685+1/10 * 3.5430+½ 3.5434-3/10 -2/10 * Housing is 3/10 tight in Gearbox to 1/2 slack REAR. 2.300+¼ 2.300+1/10 3.7489+¼ 3.7492-3/10 -2/10 Handwritten notes: - To the left of 'FRONT BEARING': 1-3/10 Thou - To the left of 'REAR.': 1-9/10 Thou - Under 'Bore of Bearing' for FRONT: .450 - Under 'Outside Dia. of Bearing' for FRONT: .400 - Under 'Bore of Bearing' for REAR: .450 - Under 'Outside Dia. of Bearing' for REAR: 300 - Bottom right corner: 450 400 300 200 50 | ||