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).
Table of frame clearance measurements for various car models with and without passengers.
| Identifier | ExFiles\Box 43\2\ Scan069 | |
| Date | 20th October 1925 | |
| OyS-E-102025 -2- October 20, 1925. Rdstr. Phae. Tour. Sal. E.D.Cab. Full Cab. Sedan Lim. Frame clearance to touch rubber With flat springs front clearance = 2.150 rear clearance = 7.000 Without passengers. F.{Mr Friese} 2.270 2.270 2.270 2.200 2.820 2.650 2.800 2.800 R.{Sir Henry Royce} 6.700 6.550 6.950 6.200 6.300 6.200 6.200 6.200 With 4 passengers. F.{Mr Friese} 2.050 2.050 2.050 2.000 2.150 2.150 2.125 2.125 R.{Sir Henry Royce} 5.100 4.950 5.500 4.700 4.750 4.850 4.750 4.750 MO/E COPY (RECEIVED NOV 1 1954 R.R. LTD.) | ||