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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).
Options for interior heating, ventilation, and defrosting systems.

Identifier  ExFiles\Box 137\3\  scan0035
Date  3rd February 1939
  
1158

S/W.
Rm.{William Robotham - Chief Engineer}
c. to Sg.{Arthur F. Sidgreaves - MD}
c. " Hs.{Lord Ernest Hives - Chair}
c. " BY.{R.W. Bailey - Chief Engineer}
c. " Da.{Bernard Day - Chassis Design}
c. " Da{Bernard Day - Chassis Design}/Ev.{Ivan Evernden - coachwork}
c. " Mx.{John H Maddocks - Chief Proving Officer}
c. " JLE.{J. Lee Evans - Chassis Test Manager}
c. " BY/RD.
c. " BY/Ald.{F. Allwood - Experimental Design}
c. " Hn.{F. C. Honeyman - Retail orders}

Cx{Major Len W. Cox - Advertising Manager}8/KW3.2.39.

Interior Heating of R-R cars, and as
Correlated Features, Ventilation and
Defrosting and Demisting.

Sg.{Arthur F. Sidgreaves - MD} has asked me to reply to your Rm{William Robotham - Chief Engineer}/Std.6/
MH{M. Huckerby}23.1.39 ( a copy of which by the way marked off to me
has never reached me yet), and to give you our considered
views of the alternatives offered in this connection.

We are all agreed that a combined heating and
ventilation scheme is to be preferred, and is the ideal
for which we should strive. As, however, its adoption is
apparently dependent upon the availability of space below
the front seat, which space you say is at present to be
occupied by the battery, it is necessary to decide whether
the battery could be accommodated elsewhere.

As regards the inlet for the fresh air in
connection with this scheme, for which you have provided a
duct in a bulge in the offside front wing, we hope that
there is nothing objectionable in the appearance of this
arrangement.

It would appear that in connection with such
a scheme, i.e. the scheme (C) in your memo, not only could
the usual Spinney ventilator be omitted but there would we
believe be no need then for the hinged ventilation windows -
commonly called 'no-draught' ventilation - which are now so
frequently fitted. The saving in the cost of these as
well as that of the scuttle ventilator would probably almost,
if not entirely, balance the cost of the device as quoted.

As regards the demisting and defrosting, it is

(cont)
  
  


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