f the detachable cylinder head mademachining of the combustion chambers far more practi-cable than when head was cast solidly with the cylinder.In the latter case it was almost impossible to machinethe combustion chambers on a production and com-mercial basis. With the detachable head, however,… … f ^ • • • • • • tfaiif IIm *Tf* Coulter automatic pfifiliiy „ iri,r,-,r „t uork onPackard single-tix cylinder head Packaid .wij.y.i. .,i.c <■,,..,.a<, head designed tofacilitate production profiling The Packard single-six is a typical example of thispractice. Cylinders and valves of the…
Automobiles · Aeronautics
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