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).
Effectiveness and design of louvres on the Goshawk and 40/50 models.
| Identifier | ExFiles\Box 119\3\ scan0083 | |
| Date | 10th January 1923 | |
| To Hs.{Lord Ernest Hives - Chair} from R.{Sir Henry Royce} c. to CJ. BJ. c. to PN.{Mr Northey} OY. c. to BY.{R.W. Bailey - Chief Engineer} E.{Mr Elliott - Chief Engineer} c. to EB. X274 R8/M10.1.23. RE. LOUVRES. X.4240. X.274 X.3499 The louvres in the front of the Goshawk as made and arranged by us appear singularly effective. They seem more effective in keeping the air warm under the bonnet when standing, than the rug thrown over the radiator. We should push on with getting the vertical ones fitted on the 40/50 as standard. You will remember that we have these both hand and thermostat operated, and that both appear satisfactory but personally I prefer the thermostat one.s We cannot remove the bolt heads objected to by Sales. They are very neatly arranged. We foresaw the objections but cannot give a satisfactory construction that is neater. R.{Sir Henry Royce} | ||