oil

This isnt the very well beaten to death Air cooled Radial engine vs Water cooled V engine question. I was wondering about the differences between the 2 types of engines oil cooling systems. Did a radial engine have a larger oil radiator and therefore a larger oil capacity or was it the...

A slim original Combined Intelligence Objectives Sub-Committee report issued in May 1945 (one of many such wartime reports in a collection that I have) on the production of Synthetic Lubricating Oils by Deutsche Fettsaurewerke at Witten contains the (to me) intriguing statement that "This...

What might have transpired had the oil embargo on Japan not occurred?

Oil shale in Estonia - Wikipedia, the free encyclopedia 1938 Estonia produced 181,000 tons of shale oil. German firms were the largest producers. 1980 Estonia produced 31 million tons of shale oil. Appears to me 1930s Germany missed a great opportunity to solve their oil shortage. Offer...