Weight saving on modified New Phantom rear brake drums.
| Identifier | ExFiles\Box 71\2\ scan0112 | |
| Date | 15th January 1926 | |
| 48840 To Hs {Lord Ernest Hives - Chair} from RHC. {R. H. Coverley - Production Engineer} RHC {R. H. Coverley - Production Engineer} 20/BE. 15.1.26. RE NEW PHANTOM(Codename for PHANTOM I) REAR BRAKE DRUMS The 40/50 Rear Brake Drums which have been modified to take the Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) type Squeak Dampers give a saving in weight of 5 lbs per Drum. Weight of Standard Drum complete with Hub. 56.75 lbs. Weight of Modified Drum complete with Hub 51.75 lbs. RHC. {R. H. Coverley - Production Engineer} | ||
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).