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).
Specifications and principal parts of a Chrysler '75' car.

Identifier  ExFiles\Box 125\2\  scan0046
Date  14th June 1929
  
Y4012
To R! from Hs{Lord Ernest Hives - Chair}/Tsn.
Hs{Lord Ernest Hives - Chair}/Tsnl/LG14.6.29
c.c. to Sg.{Arthur F. Sidgreaves - MD} Wor.{Arthur Wormald - General Works Manager}
c.c. to H.{Arthur M. Hanbury - Head Complaints} DA.{Bernard Day - Chassis Design}
c.c. to RG.{Mr Rowledge} BY.{R.W. Bailey - Chief Engineer}
REPORT ON CHRYSLER '75'.
X4012
X634
The following report gives descriptions of the principal parts of this car in which we are interested :
General particulars.
Date bought Dec. 1928.
Bore and stroke 3¼" X 5" ; 82.5 X 127 mm.
6 cyls. Swept volume 249 cu.ins. ; 4080 c.c. litres per mile per ton 3400.
Compression ratio 5.38/1 (average of 3 cyls.)
Firing order 1. 5. 3. 6. 2. 4.
Gear ratios : 3.9, 6.98, 12.35/1.
1000 r.p.m. gives 22.2 m.p.h. in top.
60 m.p.h. in top is 2708 r.p.m.
Effective tyre circumference 91.25".
Tyre size 30" X 6".
The induction pipe is exhaust jacketed round the top of the uptake pipe.
The engine is mounted on thin layers of rubber, as shown in fig. 2.
The carburetter is a Stromberg with an air cleaner fitted.
Some engine dimensions are :
CONTD :-
  
  


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