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50. AdirMus: Early Outboard Motors, 1912 & 1928

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Left: "Ole Evinrude developed a 'detachable row-boat motor' in 1909. Because of its size, reliability and relatively clean operation the motor was a quick success - helped considerably by Mrs. Evinrude's imaginative advertising campaign. This motor (1912-1913), similar to Evinrude's prototype, developed 1 1/2 HP at 900 r.p.m. and ignition was supplied by the 6-volt battery."

This too was a single-cylinder engine. It was started not by pulling a rope, but by manually cranking the exposed flywheel. It's interesting that the early motors had no magneto or coil, but required an external battery (partially visible on the floor) for electricity to fire the spark plug. It weighs 72 lb.

In 1920 Evinrude introduced a lightweight (53 lb.) two-cylinder motor (you can see the spark plugs on either side. "Elto" was the name chosen by Bess Evinrude for the new company, and was the acronym for "Evinrude Light Twin Outboard". This engine still required a separate battery for ignition. A bit more unusually, rather than the engine pivoting, this was fixed and included a rudder with arms to attach the steering ropes for remote steering. The engine developed 6 HP.

This particular motor was purchased in 1928 by the prominent conservationist John S. Apperson to power his 19-foot square-stern sponson canoe on Lake George.
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juddlewis

I think during WW2 Evinrude motors were used in crossing the rivers in Europe.

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