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).
Spring chart for Phantom 'V' series to F2B, detailing spring poundage against front and rear axle weight.
| Identifier | ExFiles\Box 16\7\ Scan094 | |
| Date | 23th August 1928 | |
| PHANTOM SPRING CHART 'V' SERIES TO F2B. Left Chart: Y-Axis: SPRING POUNDAGE X-Axis: REAR AXLE WT. CAR EMPTY. Lines: CONTINENTAL, AVERAGE, LIGHT Text Box: SPRINGING CHART ALLOWING FOR FOUR PASSENGERS TO ALLOW FOR LUGGAGE OR ANY ADDITIONAL WEIGHT ADD .75D OF THIS WEIGHT TO THE SPRING POUNDAGE. THUS 100 LBS. OF LUGGAGE ON A 26 CWT. NORMALLY SPRUNG REAR AXLE 2035 LB SPRING Right Chart: Y-Axis: SPRING POUNDAGE X-Axis: FRONT AXLE WT. CAR EMPTY. Lines: CONTINENTAL, NORMAL, LIGHT Text Box: SPRINGS ALLOWING FOR FOUR PASSENGERS ADDITIONAL LUGGAGE SHOULD NOT AFFECT FRONT SPRINGS | ||