Comparative table of B.HP and Compression Ratios for various car makes from 1927 to 1929.
| Identifier | ExFiles\Box 19\7\ Scan149 | |
| Date | 29th October 1932 guessed | |
| -3- | Make & Model. | 1927 | 1928 | 1929 | |---|---|---|---| | | B.H.P. | Compr.Ratio Stand. Op. | B.H.P. | Comp.Ratio Stand. Op. | B.H.P. | Comp.Ratio Stand. Op. | |---|---|---|---|---|---|---| | Oakland A.A.-6 | 45-2600 | 4.8 | 60-2800 | 4.80 | 68-3000 | 4.90 | | Oldsmobile | | 4.7 | | 4.81 | 62-3000 | 5.20 | | Packard 626 | 82-3200 | | 82-3200 | 4.80 | 90-3200 | 4.65 | | Packard 640 | 106-3200 | | 106-3200 | 4.73 | 106-3200 | 4.38 | | Peerless 6-61 | 52-3000 | | | 4.55 | 68-3000 | | | Peerless 6-81 | 63-2600 | | 63-2600 | 4.55 | 66-2900 | 5.06 | | Peerless 125 | 80-2800 | | 80-2800 | 4.55 | 80-2800 | | | Pierce Arrow 125 | | 4.35 | | | 125-3200 | 5.07 | | Pierce Arrow 126 | 100-2600 | 4.35 | 100-2600 | | 125-3200 | 5.07 | | Plymouth | | | | | 45-2800 | 4.60 | | Pontiac 6-29 | 36-2400 | 4.60 | 37-2400 | 4.90 | 43-2600 | 4.90 | | Roamer 8-80 | 84-2900 | 4.94 | | | | 4.94 | | Rolls Royce Si Gh. | 80-2000 | 4.00 | | | | | | Stearns Knt.6-80 | 100-2600 | 4.50 | 112.2800 | 5.00 | 70-3200 | 5.00 | | Stearns Knt.8-90 | | | | | 120-2800 | 5.00 | | Studebaker Dict. | 50-2200 | 4.50 | 50-2200 | 4.50 | 67-2800 | 4.50 5.50 | | Studebaker Com.6 | 65-2400 | 4.25 | 75-2400 | 4.25 | 74-3000 | 4.95 5.50 | | Studebaker Com.8. | | | | | 80-3500 | 5.05 5.50 | | Studebaker Pres. | | | 100-2600 | 4.70 | 114-3200 | 5.00 5.50 | | Stutz M. {Mr Moon / Mr Moore} | 92-3200 | 5.00 | 115-3600 | 5.00 (5.5 / 6.0) | 115-3600 | 5.25 5.50 | | Whippet 96A. | | | 32-2800 | 5.00 | | 5.05 | | Whippet 98A. | 40-2800 | | | | | 5.14 | | Willys-Knt. Std. | | | 45-3000 | 5.50 | 45-3000 | 5.50 | | Willys-Knt. Grt. | 65-3200 | | 70-3200 | 5.00 | 70-3200 | 5.00 | | Willys-Knt. 70B. | 52-3100 | | 53-3000 | 5.50 | 53-3000 | 5.50 | | ||
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).