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).
Comparative data table of performance metrics for various car models.
| Identifier | ExFiles\Box 91\1\ scan0539 | |
| Date | 15th August 1938 | |
| 300 TABLE HEADERS: CAR. TOTAL WT. 2 PASS: ROAD WHEEL HP. AT MAX. LAP SPEED. MAX. LAP SPEED WEIGHT ON FRONT WHEELS TONS. FRONTAL AREA OF CAR SQ. FT. (Handwritten column annotation): Windage / rad'l & skin Res / M.P.H.^2 or Factor C C. FRONTAL AREA OR SPECIFIC WIND RESISTANCE. WHEEL H.P. TO LAP @ 80 M.P.H. TABLE DATA: Row 1: CAR: P.III CLOSE-COUPLED. ✓ TOTAL WT: 2.7 ROAD WHEEL HP: 127.5 MAX. LAP SPEED: 91 WEIGHT ON FRONT WHEELS: 1.2 FRONTAL AREA: 28.8 Annotated Column: .059 C: .00205 WHEEL H.P. @ 80MPH: 86.5 Row 2: CAR: WRAITH CLOSE COUPLED TOTAL WT: 2.05 ROAD WHEEL HP: 65 MAX. LAP SPEED: 74 WEIGHT ON FRONT WHEELS: .95 FRONTAL AREA: 27.2 Annotated Column: .055 C: .002 WHEEL H.P. @ 80MPH: 81 Row 3: CAR: B.III TOTAL WT: 1.84 ROAD WHEEL HP: 90 MAX. LAP SPEED: 87.2 WEIGHT ON FRONT WHEELS: .9 FRONTAL AREA: 24.06 Annotated Column: .047 C: .00195 WHEEL H.P. @ 80MPH: 69.8 Row 4: CAR: PACKARD TOTAL WT: 1.72 ROAD WHEEL HP: 72 MAX. LAP SPEED: 81 WEIGHT ON FRONT WHEELS: .8 FRONTAL AREA: 26.4 Annotated Column: .047 C: .00178 WHEEL H.P. @ 80MPH: 69.2 Row 5: CAR: OLDSMOBILE TOTAL WT: 1.70 ROAD WHEEL HP: 57.5 MAX. LAP SPEED: 77 WEIGHT ON FRONT WHEELS: .8 FRONTAL AREA: 25.6 Annotated Column: .043 C: .00168 WHEEL H.P. @ 80MPH: 64.5 Row 6: CAR: FORD V.8 TOTAL WT: 1.51 ROAD WHEEL HP: 58 MAX. LAP SPEED: 81.6 WEIGHT ON FRONT WHEELS: .75 FRONTAL AREA: 23.80 Annotated Column: .036 C: .00150 WHEEL H.P. @ 80MPH: 55 Row 7: CAR: PAULIN TOTAL WT: 1.70 ROAD WHEEL HP: 90 * MAX. LAP SPEED: 97 * WEIGHT ON FRONT WHEELS: .8 FRONTAL AREA: 24.5 Annotated Column: .033 C: .00134 WHEEL H.P. @ 80MPH: 51 FOOTNOTE: * Tentative figures. HANDWRITTEN NOTE (Bottom Left): /R.15.8.38. | ||