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 table of component and total weights for 20HP, Chrysler, and S.S. vehicles.
| Identifier | ExFiles\Box 125\2\ scan0075 | |
| Date | 14th April 1932 | |
| FILE UNDER CHRYSLER X40121 COMPARISON OF UNIT WEIGHTS: 20HP, CHRYSLER, S.S. UNIT | 20HP | CHRYSLER | S.S. --- | --- | --- | --- FRONT AXLE, + HUBS, CROSS-STEERING TUBE, AND LEVERS. | 143 lbs | 106 lbs | 220 lbs ONE WHEEL + TYRE | 61 lbs 10 ozs | 80 lbs (+ drum) | 73 lbs WHEEL ALONE. | 26 3/4 lbs (4" Rim, Narrow Hub) | 38 lbs (+ drum) | 33 lbs (2 1/2 rim) FRONT AXLE COMPLETE, WITH WHEELS, TYRES, & STEERING CONNECTIONS | 266 lbs | 266 lbs | 369 lbs REAR AXLE WITH WHEELS. | 403 lbs | 343 lbs | 568 lbs PROPELLOR SHAFT + 2 UNIV. JOINTS. | 24 lbs 13 ozs (12-4-32) | 18 lbs 8 ozs | 38 lbs 13 ozs RADIATOR | 91 lbs 10 ozs | 64 1/2 lbs | 140 lbs ENGINE UNIT + GEAR BOX, COMPLETE. | 681 lbs | 795 lbs (+ hand brake) ENGINE ALONE. | 552 (14-4-32) | 670 lbs | (20 EX) WEIGHT AT FRONT WHEELS. | 14 cwt. 56 lbs | 15 cwt. 70 lbs | 20 cwt. 21 lbs WEIGHT AT REAR WHEELS. | 18 cwt. 108 lbs | 16 cwt. 108 lbs | 27 cwt. 14 lbs TOTAL WEIGHT OF CAR | 33 cwt. 50 lbs | 32 cwt. 77 lbs | 47 cwt. 38 lbs WATER CAPACITY. | | 3 GALLS. | ||