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Hemmings Motor News has been around since 1954. We're proud of our heritage, but we're also more than the Hemmings full of classifieds that your father subscribed to. Aside from new editorial content every month in Hemmings, we have three monthly magazines: Hemmings Muscle Machines, Hemmings Classic Car and Hemmings Sports and Exotic Car.

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Ransom Eli Olds and the Supercharged Two-Stroke Diesel

Posted January 14, 2014 9:00 AM by dstrohl
Pathfinder Tags: cummins diesel supercharged

As truck manufacturers in the United States began to adopt diesel engines in the early to mid-1930s, partly thanks to the popularization efforts of Clessie Cummins, so did they also begin to realize their limitations, particularly their colossal weight and their need for efficient scavenging. Proposed fixes for those issues came from all quadrants, but few of them as illustrious as one of the pioneers of the automobile, Ransom E. Olds.

Olds, as we all know, tinkered with steam cars and gasoline cars in the 1890s, eventually leading to the formation of Oldsmobile in 1897. Read about this engine on Hemmings.

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Hobbies - Musician - New Member United Kingdom - Member - New Member

Join Date: Mar 2007
Location: England
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Re: Ransom Eli Olds and the Supercharged Two-Stroke Diesel

01/14/2014 6:19 PM

"Rather than the traditional vertical single-piston-per-cylinder configuration, Olds conceived a horizontal two-piston-per-cylinder single-crankshaft two-stroke direct-injection diesel engine that used hefty rocker arms to transfer the motion of the pistons to the crankshaft."

It is interesting to see that this design was conceived by Olds, and a patent filed in 1934. Charles Brown is probably the father of this engine design, and he was working on it with Sulzer in Switzerland as early as the 1890s, and there were many others. http://www.opposedpistonengines.com/page8.html has a stack of information on OP engines of all types.

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