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).
Graph showing piston side thrust at 4250 RPM for a standard 6-cylinder Bentley engine, comparing different connecting rod lengths.
| Identifier | ExFiles\Box 85\3\ scan0078 | |
| Date | 1st March 1934 | |
| PISTON SIDE THRUST AT 4250 R.P.M. STD 6 CYL. BENTLEY PISTON SIDE - THRUST. LBS. CRANK ANGLE FROM T.D.C. SHORT CONN ROD (7.87") SHOWN LONG CONN ROD (9.00") SHOWN CONN ROD 10.12" LONG SHOWN STD. CONN. ROD LENGTH 7.95" L/R = 3.5" L/R = 4.0" L/R = 4.5" TSN 1.3.34 | ||