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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).
Log of breakages and remarks from a bump test on a Goshawk chassis front.

Identifier  ExFiles\Box 119\2\  scan0163
Date  15th December 1921
  
BUMP TEST ON GOSHAWK CHASSIS - FRONT.

Breakages. | Time hrs. | Remarks.
--- | --- | ---
O.S. Steering Lever and pivot. | 25¼ | The fracture has occurred through the rear bolt hole. The pivot and the lever are broken.
Top leaf of front spring - O.S. | 14¼ | Leaf made by R-R.{Sir Henry Royce}
Top leaf of rear spring - N.S. | 18¼ | " " "
Top leaf of rear spring - N.S. | 19¼ | " " "
Front axle. | 19¾ | Broken close to N.S. spring seat.
Top leaf - O.S. | 8¼ | Woodhead spring.
Top leaf - N.S. | 19¼ | " "
Engine suspension tube - N.S. | 20¼ | Similar fracture to previous one.
Spring clip - N.S. | 10¼ |
Three bolts holding steering column to box. | 62¼ |
Front axle. | | Broken close to N.S. spring seat.
Steering Lever - O.S. | 19¼ | Fractured in same place as original ones.

(Footer, upside down): R.R. 836A (100 T) (S.H. 798. 10-12-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 3947
  
  


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