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).
Comparison of weights between Standard and Side by Side brake gear components.
| Identifier | WestWitteringFiles\S\March1928-May1928\ Scan136 | |
| Date | 26th April 1928 | |
| RBJ WORE By Pa{Mr Paterson} / HS{Lord Ernest Hives - Chair} / RHC{R. H. Coverley - Production Engineer} ORIGINAL To Hs.{Lord Ernest Hives - Chair} from RHC.{R. H. Coverley - Production Engineer} RHC{R. H. Coverley - Production Engineer}2/BE26.4.28. Re: Comparative Weights of Standard & Side by Side Brakes. X8360 We give below the above weights:- Complete Weights. Standard Brake Gear to G.74003...................... 115.00 lbs. Axle Tube........................ 63.50 lbs. G.74002 Driving Shaft - long......... 31.00 " " " " - short........ 28.75 " Rear Hubs complete, without Road Wheels to G.74928............. 128.00 " 366.25 lbs Side by Side Brake Gear to G.76350...................... 98.00 lbs. Axle Tube........................ 61.00 " G.76479 Driving Shaft - long......... 31.00 " " " " - short........ 29.00 " Rear Hubs complete without Road Wheels to G.76341............... 100.00 " 319.00 lbs TOTAL WEIGHT SAVED BY FITTING SIDE BY SIDE BRAKES.... 47.25 lbs RHC.{R. H. Coverley - Production Engineer} | ||