Old Engines

While I was in school, an older friend invited me to her husband’s engine shop. It was pretty cool seeing the shop, all the specialized equipment, and the engines they were working on.

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I don’t know much about these, but by the plate on the one on the right, that is a Gray Marine Lugger Light Four 69. It made 16 horsepower at 1800 RPM with a 276 cubic inch displacement.


All I know about this is it’s a V12 for a boat. It’s impressive how big the starter is, on the lower right. The chrome tubing is nice, and you can see it hides and contains the wires from the distributor.


Now this is a beautiful old engine. It’s a Liberty L-12 airplane. It is a huge V12, roughly the same as the previous one. This was made only between 1917 and 1919, but 20,000 were built. It has a 27 liter displacement, which is roughly 5 times the size of the average modern V8 pickup truck engine, and it made 400 horsepower.  It’s kind of hard to see the scale of this engine in the pictures, but it’s huge. If I stretched my arms out I might be able to touch both ends. Something I think is cool is how you can see the valve springs and rockers on the top.


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