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).
List of experiments on engine 6-B-IV to test for engine roughness at up to 4500 r.p.m.
| Identifier | ExFiles\Box 83\1\ scan0111 | |
| Date | 28th April 1936 | |
| X200a (4) Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}11/KW.28.4.36. Experiments on 6-B-IV. Engine roughness running light up to 4500 r.p.m. (1) Large Packard balance weights, present engine mounting. (2) As (1) but rear weight taken on side feet (rear support removed). (3) As (2) with gearbox removed. (4) As (3) with clutch removed. (5) As (4) with flywheel removed. (6) As (2) or (4) with small Packard weights. (7) As (6) with standard weights. (8) Best arrangement of balance weights and standard flywheel. (9) " " " " flexible flywheel. (10) Best complete car. | ||