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).
Providing detailed specifications for a 1938 Lincoln Zephyr 4-door saloon.
| Identifier | ExFiles\Box 127\2\ scan0058 | |
| Date | 20th December 1938 | |
| file 1077 To By.{R.W. Bailey - Chief Engineer} from Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} c. to Da.{Bernard Day - Chassis Design} c. to Da{Bernard Day - Chassis Design}/Ev.{Ivan Evernden - coachwork} Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}18/JH.20.12.38. We give you herewith all the information we were able to obtain from the Lincoln Zephyr car during the time it was at our disposal. 1938 model 4 door saloon. Rated 36.3 H.P. Weight full of petrol, oil and water 33 cwts. 3 qr. 25 lbs. O/S. front 991 lbs. N/S. Front 959 lbs. O/S Rear 915 lbs. N/S. Rear 940 lbs. Dry weight 31 cwts. 3 qrs. 5 lbs. Wheelbase 10 ft. 5 ins. Rear Axle ¾ floating Hypoid - ratio 4.44 : 1. Tyres 7 x 16 Road pressures 28 lbs. per sq.in. Engine 12 cylinder V 60° Bore 2.75" Stroke 3.75". Piston displacement 4.38 litres. 267 cu.ins. B.H.P. 110 at 3900 r.p.m. Max. torque 186 lbs. ft. at 2000 r.p.m. Compression ratio 6.7 : 1 Compression Pressure 146 lbs. sq.in. at 1,000 r.p.m. Weight per cu.in. 13.31 lbs. Weight per B.H.P. 32.4 lbs. B.H.P. per cu.ins. .411. Inlet and exhaust valves dia. 1.53" seat angle 45°. Pistons cast steel. Gudgeon pins .75". Cont'd | ||