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).
List of specifications and particulars for a Buick Car, including measurements, weights, and gear ratios.
| Identifier | ExFiles\Box 124\3\ scan0137 | |
| Date | 1st March 1928 | |
| Ha/AJL/LGZ1.3.28. BUICK CAR. During the short time in which this car was at our disposal, we have taken the following particulars. Type 28-27S. Serial number 136280. Eng.No. 2024730. Bore 3.125" Stroke 4.5". 6 cylinders. Cu. capacity = 3395 cc. Swept vol. 565.7 cc. Volume of combustion head 155 cc. (by measurement). Compression ratio (from above) 4.65 : 1. Horse power (RAC.rating) = 23.4. Firing order 1. 4. 2. 6. 3. 5. Engine oil capacity .875 gals. Water 3.125 gals. Petrol tank capacity 13.625 gals. Wheelbase 114.875". Track (front) 57" Toe in = .3125". Overall length (a) Luggage grid closed = 177". (b) open = 185". Effective circumference of tyre on rear at 40 lbs/sq.in. = 96.75" Top gear ratio = 5.10. 2nd. gear = 9.23. 1st. gear = 15.3 Reverse gear = 18.45 : 1 Car weight (saloon body) filled up with water, petrol, oil etc, tools and spares, one spare tyre and rim carried at the rear : Front = 15 cwts. (1680 lbs.) Rear = 17 cwts. 1 qr. 14 lbs. (1946 lbs.) Total = 32 cwts. 2 qrs. 7 lbs. (3647 lbs.) Whilst the car was in our possession one of the outer valve springs broke. The valve springs have the following dimensions etc :- contd :- | ||