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).
Specification comparison sheet for Packard Super Eight and Packard Twelve models, detailing their gasoline systems, rear axles, and springs.
| Identifier | ExFiles\Box 127\1\ scan0220 | |
| Date | 9th May 1935 guessed | |
| -6- Packard Super Eight Model 1203-1204-1205 Packard Twelve Model 1207-1208 GASOLINE SYSTEM: Carburetter - make - size Stromberg-Duplex Stromberg-Duplex Gasoline feed Mechanical Pump-AC Mechanical Pump-AC Gasoline gauge Electric Electric Gas tank capacity 25 gals. 30 gals. Air cleaner and silencer AC AC Carburetter heat control Thermostatic Fixed REAR AXLE: Final drive Hypoid gears Hypoid gears Tread 61" 61" Gear ratio - standard 4.41 to 1 4.41 to 1 SPRINGS: Type Semi-elliptic Semi-elliptic Front size 42 x 2¼" 42 x 2¼" No. of leaves 12 12 Rear size 60½ x 2½" 60½ x 2½" No. of leaves 9 & 10 9 & 10 Shackles Metal Metal Spring covers Metal Metal Shock absorbers Hydraulic two-way adjustable from front compartment with static control valve. Hydraulic two-way adjustable from front compartment with static control valve. | ||