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 petrol consumption, engine, gearbox, and dimensions for a vehicle.
| Identifier | ExFiles\Box 128\3\ scan0135 | |
| Date | 17th February 1944 guessed | |
| - 3 - Petrol Consumption. Over 100 mile run - 29.58 M.P.G. Average Speed 37 M.P.H. SPECIFICATION. No. of Cylinders 4 Cubic Capacity 1184.5 c.c. Bore 2.48" R.A.C. Rating 9.8 Max: Oversize permissable .040" B.H.P. 30 at 4,100 Stroke 3.74" Compression Ratio 6.45 - 1 Main Bearings 3 Engine R.P.M. @ 60 M.P.H. Top Gear 4308 Firing Order 1-3-4-2 Axle Ratio 5.33 - 1 Solex Down Draught Carburetter Dry Plate operated clutch. Hardy Spicer propellor Shaft Burman Douglas type steering worm and nut. Bendix Cowdray "Duo Servo" type Brakes. Petrol pump A.C. mechanical. Gearbox. Synchro Mesh on all forward speeds. Gear Ratios. Top - 5.33 Third - 7.94 Second - 13.16 First - 18.99 Reverse - 25.37 Dimensions. Wheelbase 7' 8" Track - front 3' 11½" Track - rear 4' 0½" Overall - length 12' 9" Overall - width 5' 1" Overall - height 5' 2" Ground clearance 6⅞" Turning Circle 36' 0" -continued- | ||