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Antique Engine Database
Venn-Severin Machine Co.
Although Venn-Severin Machine Company began oil engine development in 1908, not until 1913 did their vertical oil engine appear in trade journals of the day. Obviously the company had been perfecting their designs – this is reflected in part through issuance of Patent No. 1,074,652 to Frank W. Severin in October, 1913. Of more significance than the two years previously, in March 1911. Several sizes were available, ranging from 4 to 25 horsepower. A two cycle design was featured, along with the usual mechanical injection against a hot plug in the cylinder. The vast majority of oil engines used this ignition principle.
history
In the late 1930s and into the early 1940s Venn-Severin offered an extensive engine line ranging from 20 to 300 horsepower. By 1924 the Venn-Severin line included single cylinder Type D engines in 10, 15, 20, 25, 40, and 60 horsepower models. Although the injection principles remained the same, Venn-Severin had modified the engine somewhat over earlier styles. The big inertia governor is obvious, along with heavy flywheel hubs to their capacity, and then driving the tapered gib key home, there wa slittle chance of ruining the shaft or flywheel dur to een the slightest movement. The problem of adequately securing the flywheel to the crankshaft was a bane to engineers for many years. The 25 horsepower Type D engine shown here weighed in at 5,750 pounds.
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