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).
Laboratory report detailing the distillation test and chemical analysis of a Shell Aviation Motor Spirit sample.

Identifier  ExFiles\Box 32\1\  Scan099
Date  7th April 1923
  
H12/GLT7.4.23.

Laboratory.

C O P Y.

Re. Sample tin of Shell Aviation Motor Spirit submitted yesterday. (Your ref: EP{G. Eric Platford - Chief Quality Engineer}/CEP16/EMC6.4.23.)

Specific Gravity ----- .737
Boils at ----- 86.0°C
First distillate over at ----- 61.5°C.

Distillation Test.
90°C ----- 22.5% Distilled over.
100°C ----- 45.0% -do-
110°C ----- 77.5% -do-
120°C ----- 90.0% -do-
130°C ----- 94.0% -do-

Analysis.
Olefins and Di-olefins ----- 2.8%
Aromatic Hydrocarbons ----- 17.6%
Paraffins and Cyclo-paraffins ----- 79.6%

Hl.
  
  


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