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).
Brooklands track test comparisons between 'China' and 'Japan' cylinder heads.
| Identifier | ExFiles\Box 155\1\ scan0042 | |
| Date | 9th August 1932 | |
| 8788 To R.{Sir Henry Royce} From Hs{Lord Ernest Hives - Chair}/Bn.{W.O. Bentley / Mr Barrington} c. to MS. Wor.{Arthur Wormald - General Works Manager} c. to E.{Mr Elliott - Chief Engineer} RY. c. to Hdy.{William Hardy} PH. BROOKLANDS TESTS. Further to Hs{Lord Ernest Hives - Chair}/Bn.{W.O. Bentley / Mr Barrington}5/MJ.29.7.32. in which track comparisons were made between 'China' and 'Japan' cylinder heads. We attach a power curve (Bn.{W.O. Bentley / Mr Barrington}71) shewing the respective engine performances complete with exhaust systems. The 'Japan' head engine had the latest experimental exhaust system, which accounts to a certain extent for its good output at 4000 revs. Hs{Lord Ernest Hives - Chair}/Bn.{W.O. Bentley / Mr Barrington} Attached Curve Bn.{W.O. Bentley / Mr Barrington}71. | ||