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).
The weights of Vulture, 40/50HP, and 20/25HP gearboxes and components.
| Identifier | ExFiles\Box 123\3\ scan0119 | |
| Date | 30th January 1934 | |
| X4704 To Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} from RHC{R. H. Coverley - Production Engineer}/HPS.{Horace Percy Smith - Experimental Factory Mgr} RHC{R. H. Coverley - Production Engineer}/HPS.{Horace Percy Smith - Experimental Factory Mgr}1/BE30.1.34. We give below the weights of Vulture, 40/50HP and 20/25HP. Gear Boxes. Vulture Gear Box lbs ozs. less Change Gear, Servo and Governor Control.................. 101 8 ozs. Weight of Change Gear.... 6 lbs. 12 ozs. " " Servo......... 8 lbs. 12 ozs. " " Gov. Control... 4 lbs. 13 ozs. 20 5 ozs. ________________________________________ 121 13 ozs. ________________________________________ 40/50 HP Weight of Complete Gear Box............ 201 lbs. 20/25HP Weight of Complete Gear Box. 127 lbs. Weight of 20/25HP. Clutch Casing and Clutch Operating Shaft. 18 lbs.8 ozs. RHC{R. H. Coverley - Production Engineer}/HPS.{Horace Percy Smith - Experimental Factory Mgr} | ||