Rolls-Royce Archives
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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).
Providing suggestions on vehicle temperature control, luggage boot, and gearbox, with personal driving opinions.

Identifier  ExFiles\Box 89\4\  scan0377
Date  5th December 1938
  
Messrs. [s]Bentley Motors[/s], Bentley Motors (1931) Ltd.,

1. 5/12/38.

Suggest temperature control should be by two thermostats (1) to control circulation round engine only until warm: (2) to open real shutters: these to close instantly when water or oil pressure stops.

Luggage boot flap should fall to horizontal and be strong enough to carry weight when in that position: alternative position (as now when open) might be useful sometimes.

If present gearbox, or the old one, is a sine qua non - then please offer the alternative.

The above comments are from my own point of view - that of a fairly fast driver: they are in no way applicable to a man who wants a Rolls Royce pure and simple, that is a car in which acceleration and ultimate speed figures are not interesting. A "Wraith" for him every time, but I stillprefer a Rolls-Bentley (pardon - Bentley!) for "my own smoking" - even a 3½ litre with the old gearbox: I may be converted by using a "Wraith", but I'm not so yet.

I have two very definite objections to sham shutters and one thermostat temperature control:-

(1) In very cold weather, assuming no a.f. mixture, the radiator will freeze solid before the thermostat operates.

(2) As all cylinder wear, practically, takes place at under 50° cent. the less warming up necessary below that temperature the better: ergo it is obviously unsound practise to allow the cooling of the water to close the shutters; it would be better to have them hand operated.

Am I taking my own opinion too seriously? Quite possibly: most of us do; and it is only fair to add that I am a shareholder in British Thermostats Ltd.!

But, believe it or not, that fact has no bearing whatsoever on what I have said: I am but trying, with the greatest possible sincerity, to help the great Firm which has
  
  


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