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).
Extract regarding the dynamometer testing and comparison of shuttered, louvred, and standard bonnets.
| Identifier | ExFiles\Box 119\3\ scan0061 | |
| Date | 12th August 1914 | |
| Wor{Arthur Wormald - General Works Manager}/Mcr7/L12814. RE SHUTTERED BONNETS. X.1085 Mr Hives. 12-8-14. E.{Mr Elliott - Chief Engineer} The following is an extract from Na.{Mr Nadin}c. Mr Royce's memo R3/P 31.7.14 :- "The comparison of these with louvred "bonnets and with single shuttered bonnet, "and with bonnets without shutters at all "can be made on the dynamometer quite easily, "with the same car and the same radiator. "The radiator should be one of the latest "type, that is the Orme Evans square tube "honeycomb." p. Wor.{Arthur Wormald - General Works Manager} Mcr. | ||