I've talked about this specific curve a number of times in these videos. It's called the Streck Curve, and it really tells you a lot about what you need to know about lubrication. For example, there are three different types of lubrication, boundary mixed and hydrodynamic lubrication. We've broken those down separately in other videos. But how exactly do we get to this chart? Let's build it up piece by piece from some building blocks that we have from high school physics. https://lubrication.expert