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 analyzing the deflections measured on a Bentley III yoke under increasing loads.
| Identifier | ExFiles\Box 127\1\ scan0358 | |
| Date | 9th May 1938 guessed | |
| BENTLEY III YOKE MOVEMENT. LOAD. | TOP OF YOKE REL. TO FRAME. | BENDING OF YOKE(A.{Mr Adams}) | NEEDLE BEARING CLEARANCE & BENDING OF PIVOT PIN & HOUSING. (B) | SIDEWAY MOTION OF YOKE (C). | ROTATION OF LOWER LEVER. (E) | TWIST OF LOWER LEVER (D). 300 lb. | 0 | 0 | 0 | 0 | 0 | 0 600 lb. | .028" | .010" | .007" | .008" | .0005" | .0005" 900 lb. | .057" | .020" | .014" | .015" | .005" | .001" 1200 lb. | .086" | .030" | .021" | .022" | .0105" | .0015" 1500 lb. | .117" | .040" | .0275" | .029" | .019" | .002" Analysis of deflections measured from the top of the yoke piece. | ||