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 chassis weights for the Standard 40/50 'V' series and the 'SS' chassis.
| Identifier | WestWitteringFiles\T\November1928\ Scan047 | |
| Date | 23th November 1928 guessed | |
| CHASSIS WEIGHTS. Standard 40/50 'V' series. Weight of chassis - long type - including :- LBS. Battery. 100 Battery box. 16 Oil. 25 Water. 80 Petrol 18 galls. 135 Tyres - 4 528 Wt. of chassis with these 4000 Two spare wheels complete 172 TOTAL : 4172 Weight of 'SS{S. Smith}' chassis. LBS. Battery Battery box Oil Water Petrol 21 Galls. Tyres - 4 Wt. with these - 3540 Two 32 X 6.75 wheels 20" rims complete with tyres. 160 TOTAL : 3700 Total saving in weight with allowance for extra petrol in 'SS{S. Smith}' = 496 lbs. = 4.4 cwts. | ||