Posted by MarkB_MI on August 23, 2016 at 02:44:28 from (70.194.12.106):
A few days back there was a discussion of the venerable 2-stroke GMC diesel engine, and how it has managed to survive for so long despite the introduction of more modern and efficient engines.
Last weekend my wife and I visited the USS Silversides, a WWII submarine on display in Muskegon, MI. I found the engines interesting; they're 9-cylinder Fairbanks-Morse 38D8-1/8 diesels. These are 2-stroke opposed-piston engines developed in the 1930s. They have neither heads nor valves, just intake and exhaust ports scavenged by a Roots blower.
Doing a little research, I was surprised to find that these engines are still in production! In fact, many nuclear subs use them as standby power. The Jimmy diesel, with its 57-year production run, is a mere flash-in-the-pan compared to the F-M 38D8-1/8.
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Today's Featured Article - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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