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 sheet detailing capacities, gear ratios, dimensions, and weights of vehicle components.
| Identifier | ExFiles\Box 127\2\ scan0027 | |
| Date | 8th May 1937 guessed | |
| - 2 - Shock Absorbers: Hydraulic. Capacities: Cooling system. 8 gallons. Crankcase. 10 qts. oil Transmission 6 pts gear lubricant. Differential. 6½ pts -do- Fuel Tank. 28 gallons. Engine to Wheel Speed Ratios: Figures based on standard ratio (12-55). High 4.58 to 1. Second 8.15 to 1. Low 13.35 to 1. Reverse 15.71 to 1. Rear Axle Ratios: 12.55 11.54 13.55 4 7/12 to 1 4 10/11 to 1 4 3/13 to 1. 4.58 to 1. 4.90 to 1. 4.25 to 1. 12-55 furnished unless otherwise specified. Springs: Front Rear. 42" long 62" long. 2¼" wide 2½" wide. No.of leaves 12 No.of leaves 8, 9, 10 All Body Types. depending on body types. Clutch. Double-disc dry-plate type. Diameter of Steering Wheel: 19 inches. Turning Radios: Radius of circle traced by outermost wheel. Right 22'9" Left 23' 4". Engine Firing Order: Front{1-3-7-5. {6-8-4-2. Weights of Engine Parts: Weight of crankshaft 41 lbs. Weight of counterweights (4) 12 lbs. Weight of piston 14 oz. (each). Weight of connecting rods - plain, 2 lbs, 3½ ozs. forked, 2 lbs, 5 ozs. All Bulbs - Single Contact. Dash and tail - 3 c.p. Headlamp - 32 c.p. - 2 Fil. Parking - 6 c.p. Stoplight. 21 c.p. Parking lights - 6 c.p. Dome light - 6 c.p. Stop light - 6 c.p. Tonneau light - 6 c.p.. | ||