The gas injector was studied with particular reference to the complex needle motion during the opening and closing phases, which strongly affects the amount of fuel injected. As is known, in fact, when the injector nozzle is widely open, the mass flow depends only on the fluid pressure and ...
When you need to wash certain things, it’s really not reasonable to do it by hand. What you need is something like a pressure washer. This kind of washer sprays water out at a high pressure, and speed. It makes the water much more forceful, which is what does the actual cleaning. ...