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In diesel engines in particular, EGR systems come with serious drawbacks, one of which is a reduction in engine longevity. For example, because the EGR system routes exhaust gas directly back into the cylinder intake without any form of filtration, this exhaust gas contains carbon particulates. And, because these tiny particles are abrasive ...
Connecting rod and piston from a car engine. A connecting rod for an internal combustion engine consists of the 'big end', 'rod' and 'small end'. The small end attaches to the gudgeon pin (also called 'piston pin' or 'wrist pin' in the U.S.), which allows for rotation between the connecting rod and the piston.
English: A diagram showing the airflow through the nacelle of the SR71 Blackbird as the speed increases from zero to Mach 3.2. This image is based on Figure 1.21 from the SR-71 Flight Manual. Русский: Схема движения воздушных потоков в мотогондоле самолёта Lockheed SR-71 при ...
As moving parts wear out, this can affect the precision of the machine. Designers thus have to design moving parts with this factor in mind, ensuring that if precision over the lifetime of the machine is paramount, that wear is accounted for and, if possible, minimized. (A simple example of this is the design of a simple single-wheel wheelbarrow.
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When using overdrive gearing, the car's engine speed drops, reducing wear and normally saving fuel. Since 1981 U.S. corporate average fuel economy (CAFE) legislation, virtually all domestic vehicles have included overdrive to save fuel. One should refer to the car's owner's manual for the proper speed to run at overdrive.
The aircraft, powered by its second engine, landed safely and without incident shortly after 8 p.m., the Port Authority New York and New Jersey said. There were no reported injuries.
Conservatives are slamming President Biden for using former President Jimmy Carter’s death Sunday to take a jab at incoming President Donald Trump.. Biden, asked Sunday what his former ...