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 | ||