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 of inertia torque for a single Bentley cylinder at 4250 RPM, comparing different connecting rod lengths.
| Identifier | ExFiles\Box 85\3\ scan0076 | |
| Date | 1st March 1934 | |
| INERTIA TORQUE FOR 1 CYLINDER AT 4250 R.P.M. BENTLEY. SHORT CONN ROD (7.87") SHOWN --- L/R = 3.5 LONG CONN ROD (9.00") SHOWN ___ L/R = 4.0 CONN ROD 10.12" LONG SHOWN _._ L/R = 4.5 STD. CONN. ROD LENGTH 7.95" TORQUE - LBS FT CRANK ANGLE FROM T.D.C. 400 300 200 100 0 -100 -200 -300 -400 0, 20°, 40°, 60°, 80°, 100°, 120°, 140°, 160°, 180° TSN 1.3.34 | ||