Comparison table of ground clearance measurements for various car models.
| Identifier | ExFiles\Box 11\1\ 01-page42 | |
| Date | 29th October 1934 | |
| To Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} c. to E. {Mr Elliott - Chief Engineer} x7770 Hs {Lord Ernest Hives - Chair} /PD.-/KW.29.10.34. Ground Clearance on 16-G-IV 25 HP. 4 Pass. 28-EX 40/50 5 Pass. 3-B-IV Bentley 4 Pass. 1-S-1 Spectre(Codename for Phantom III) 5 Pass. Essex 6 4 Pass. Cadillac 5 Pass. Under front axle, lowest point 10" D.W.S. Jacks 8.1" 8.625" 7.5" 8.75" 7.2" Under Crankcase * 7.8" 8.5" 6.0" 7.3" 9.5" 9.5" Under Side steering tube * * 9.4" 8.1" 7.9" Stg. arm = 7.2" 9.0" 9.1" Under battery box * * 7.1" 8.4" 6.9" 7.0" 9.1" 9.3" Under rear cross member prop. shaft. lowest point * * 7.4" 7.25" 6.25" 6.5" - - Under front silencer * 8.1" 8.2" 8.4" 6.6" 8.55" - Under rear silencer * FP. {F. Potts} 7.0" RP.7.3" FP. {F. Potts} 7.8" RP.10.8" 6.5" FP. {F. Potts} 6.5" RP.8.9" FP. {F. Potts} 8.75" RP.8.85" FP. {F. Potts} 10.15" RP.10.3" Buffer clearance - rear * NB.3.075" OB.3.25" NB.4.4" OB.4.7" NB.2.25" OB.2.125" NB.3.1" OB.3.3" NB.3.9" OB.3.5" NB.2.8" OB.2.7" Hs {Lord Ernest Hives - Chair} /F.Dodd. | ||
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).