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).
Fitting of large pitch continuous gears into a new Phantom gearbox to test for humming.
| Identifier | ExFiles\Box 66\4\ scan0213 | |
| Date | 23th October 1925 | |
| X 8310 RHC.{R. H. Coverley - Production Engineer} Hs.{Lord Ernest Hives - Chair} BY1/H.{Arthur M. Hanbury - Head Complaints} 23.10.25. NEW PHANTOMCodename for PHANTOM I GEAR BOX, CONTINUOUS GEARS. Having got the large pitch gears produced, it is well worth while fitting these gears into a gear box in order to ascertain whether we have overcome by their design the hum of the ground gear when running light with excess of oil on same. BY.{R.W. Bailey - Chief Engineer} By | ||