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).
Two returned Bentley Ball Pinion Thrust Races due to noise complaints.
| Identifier | ExFiles\Box 131\4\ scan0135 | |
| Date | 5th April 1937 | |
| Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} e to Hdy.{William Hardy} 1113 Hd{Mr Hayward/Mr Huddy}/SB{Mr Bull/Mr Bannister}25/HR.5.4.37. re BENTLEY BALL PINION THRUST RACE. We send you herewith two thrust races returned by Kingsbury Depot, following complaints of noise. These are both of the latest type with oil grooves. On one the cage is broken, whilst the other shows evidence of distortion on the ball track. Hd{Mr Hayward/Mr Huddy}/SB.{Mr Bull/Mr Bannister} | ||