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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).
Visit to Vauxhall Motors Ltd. in Luton to check on experimental work on carburation and fuel economy.

Identifier  ExFiles\Box 163\7\  img337
Date  30th June 1939
  
Ignition General.

6013

To By.{R.W. Bailey - Chief Engineer}
a.{Mr Adams} to Da.{Bernard Day - Chassis Design}
b. to Dr/Jnr.{Charles L. Jenner}
c. to Rm{William Robotham - Chief Engineer}/PD.
d.{John DeLooze - Company Secretary} to Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}
e.{Mr Elliott - Chief Engineer} to Rm{William Robotham - Chief Engineer}/Str.
f.{Mr Friese} to Rm{William Robotham - Chief Engineer}/RO.{C. C. Rose - Export Manager}
g.{Mr Griffiths - Chief Accountant / Mr Gnapp} to Rm{William Robotham - Chief Engineer}/TA.
h.{Arthur M. Hanbury - Head Complaints} to By/RD.

Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}19/JH.30.6.39.

VISIT TO VAUXHALL MOTORS LTD. (LUTON).

Purpose.
To check up on their experimental work on carburation and fuel economy and to note their line of development since the last visit reported in Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}11/R.8.7.37.

Result.
Outwardly, and from information available, they seem to have made little progress, since the previous report was written over 18 months ago. At that time they were lining up their programme of attack on M.P.G. and at the same time concentrating their efforts on the new 10 H.P. model as a result of this programme.

The main addition therefore to the previous report are as follows -

Carburetters.
The Zenith downdaught carburetter is still retained, but with certain modifications.

The system of air controlled economy is the same, but the main discharge and high velocity choke from the Stromberg design have been incorporated. It is interesting to note, in view of Taub's feelings for 'carburetter people' that during the past six months, Vauxhall's have themselves been dictating method and procedure to Zenith's regarding the aforementioned alteration to the carburetter. It seems their aims were mainly concerned with the inconstancy of the mass produced - cut price carburetter. But quite recently, they have had to hand the job back to Zenith's, who we believe are having their share of trouble in sorting it out.
  
  


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