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).
Test report on a Phantom III HSG Gearbox after road testing and alterations.
| Identifier | ExFiles\Box 94\1\ scan0337 | |
| Date | 19th February 1936 | |
| 4328 To RHC.{R. H. Coverley - Production Engineer} c. to Hs{Lord Ernest Hives - Chair}/Smth. c. to Hs.{Lord Ernest Hives - Chair} Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux}1/KW.19.2.36. Phantom III HSG Gearbox. This box has been tested on the road, after angle of top cone had been altered, i.e., .004" smaller dia. at small dia. of cone. Gears. 1st. Heavy forward and on over-run. 2nd. Note fair, even. 3rd. Note fair, even forward and on over-run. Continuous Gears. Slight sing, free from ballrace noise. Synchromesh. 2nd. Smooth action, free from crashing, gear obtained easily standing. 3rd. Smooth action. Top. Smooth action. Good all round. C.W. Oil. Hs{Lord Ernest Hives - Chair}/G.W.Hancock. | ||