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).
Testing procedure for altered axle tubes to justify the design change.
| Identifier | ExFiles\Box 49\1\ Scan039 | |
| Date | 13th January 1917 | |
| COPY. To Ey. from R. {Sir Henry Royce} c. to J. {Mr Johnson W.M.} c. to Na. {Mr Nadin} c. to Wor. {Arthur Wormald - General Works Manager} c. to Hy. {Tom Haldenby - Plant Engineer} R6/B13117. January 13th 1917. X. 2214. RE STANDING ORDER NO. 35 - ALTERATION TO BRAKE DRUMS ALSO ALTERATION TO AXLE TUBES. (EY3/G11117.) Regarding the alteration to the axle tubes, we shall want to know how much better these are than the present ones, so as to justify the change. We understand that Mr. Haldenby has this matter in hand. One cannot imagine any better scheme of testing than to find the relative resistance to bending, such as would naturally occur if a car were side slipping against a curb, or dashing into a bank by the side of the road and being stopped by the rim of the wheel. This would give an idea of how far the weight should be over-hung in the revolving test which would appear to be roughly from 15" to 18". R. {Sir Henry Royce} [Handwritten text on left] G1822/B present & light. Composite 2 schemes G2700/1 [Handwritten text with diagram] Slide tube with reinforced end Supporting lug Extension shrunk or screwed on & tube to be tested Weight increasing until fracture occurs. 1st Find value of existing new one. 2nd " " " improvement | ||