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).
Weight comparison table for the Standard 40/50 'V' Series and the 'SS' chassis.
| Identifier | ExFiles\Box 65a\2\ scan0119 | |
| 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. | ||