1931-01-01

The Cooperative Fuel-Research Committee Engine 310019

AFTER stating the three qualifications that should be possessed by a fuel-testing engine as (α) universality, (b) ruggedness and (c) low cost, the way in which all are met is outlined. The construction of the original engine is described in some detail and a table of dimensions of the more important parts given. Refinements that were developed as a result of work with the original engine in the last 2 years affect water-jacketing, condenser-coil location and accessibility of certain parts.
To overcome objections raised as a result of actual experience in fuel testing by members of the Cooperative Fuel-Research Committee, the engine has been recently redesigned to include a variable-compression cylinder, a modified centrifugal type of water pump and magneto-ignition. These changes are described and the reasons for their incorporation in the engine are stated. Illustrations and drawings showing various stages in the development of the engine supplement the text.

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