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).
General specification document for the new Safety Stutz Car.
| Identifier | ExFiles\Box 23\5\ Scan029 | |
| Date | 20th December 1927 | |
| To R.{Sir Henry Royce} from Hs{Lord Ernest Hives - Chair}/AJL. c. to BJ. Wor.{Arthur Wormald - General Works Manager} c. to E.{Mr Elliott - Chief Engineer} Da.{Bernard Day - Chassis Design} c. to BY.{R.W. Bailey - Chief Engineer} X4336 Hs{Lord Ernest Hives - Chair}/AJL1/LG20.12.27. THE NEW SAFETY STUTZ CAR. General specification. Straight 8 cyl. engine. Bore 3.250". Stroke 4.50" Cubic capacity 298.64 - or 4893.8 cc. Horse power (R.A.C.rating) = 33.8. (Comp. ratio not yet determined). Chassis. Wheelbase = 131". Track - Front 59" - Rear 58". Overall length 189.25". Three speed gearbox and reverse - giving the following:- Gear ratios. Top. 4.75 : 1 2nd. 7.96 : 1 These ratios are from 1st. 15.29 : 1 engine to road wheels. Reverse 18.02 : 1 Weight of complete car filled up with water, oil petrol etc. tools and spares, two spare wheels and tyres carried on the front wings. Front : tons. cwts. qrs. lbs. 1 1 2 14 (2422 lbs.) Rear : 1 4 0 0 (2688 lbs.) Total : 2 5 2 14 (5110 lbs.) Petrol tank capacity - 16 gals. Engine water - 7 gals. Engine oil - 3 gals. ENGINE. The engine is a vertical straight-8 cyl. unit, with unit construction clutch and gearbox. The 8 cyl. bores are in one cast iron casting with the top half of the crankcase, giving extremely rigid though heavy w construction. contd :- | ||