Something about oils, car service and safety

the most popular among seeking enjoy the used cars or motorcycles, not missing the willing also to agricultural machinery or construction. Despite the fact that the probability of purchase of certain machines is really small (the

Something about oils, car service and safety best oil for Cadillac

Online purchase of various vehicles

On the Internet you will find plenty of offers for the sale of cars or motorcycles. Are other machines are also sold via the Internet? Although the most popular among seeking enjoy the used cars or motorcycles, not missing the willing also to agricultural machinery or construction. Despite the fact that the probability of purchase of certain machines is really small (their price is huge), it should put an ad on the Internet to find potential customer. Websites, offering mediation between the seller and the customer also offer sales of smaller machines, such as the recently popular quads.


Blower scavenged

Blower scavenged
Diagram of uniflow scavenging

Using a separate blower avoids many of the shortcomings of crankcase scavenging, at the expense of increased complexity which means a higher cost and an increase in maintenance requirement. An engine of this type uses ports or valves for intake and valves for exhaust, except opposed piston engines, which may also use ports for exhaust. The blower is usually of the Roots-type but other types have been used too. This design is commonplace in CI engines, and has been occasionally used in SI engines.

CI engines that use a blower typically use uniflow scavenging. In this design the cylinder wall contains several intake ports placed uniformly spaced along the circumference just above the position that the piston crown reaches when at BDC. An exhaust valve or several like that of 4-stroke engines is used. The final part of the intake manifold is an air sleeve which feeds the intake ports. The intake ports are placed at an horizontal angle to the cylinder wall (I.e: they are in plane of the piston crown) to give a swirl to the incoming charge to improve combustion. The largest reciprocating IC are low speed CI engines of this type; they are used for marine propulsion (see marine diesel engine) or electric power generation and achieve the highest thermal efficiencies among internal combustion engines of any kind. Some Diesel-electric locomotive engines operate on the 2-stroke cycle. The most powerful of them have a brake power of around 4.5 MW or 6,000 HP. The EMD SD90MAC class of locomotives use a 2-stroke engine. The comparable class GE AC6000CW whose prime mover has almost the same brake power uses a 4-stroke engine.

An example of this type of engine is the Wärtsilä-Sulzer RTA96-C turbocharged 2-stroke Diesel, used in large container ships. It is the most efficient and powerful internal combustion engine in the world with a thermal efficiency over 50%.9101112 For comparison, the most efficient small four-stroke engines are around 43% thermally-efficient (SAE 900648);citation needed size is an advantage for efficiency due to the increase in the ratio of volume to surface area.

See the external links for a in-cylinder combustion video in a 2-stroke, optically accessible motorcycle engine.

Źródło: https://en.wikipedia.org/wiki/Internal_combustion_engine


Handwritten improving car

Much of the information on how to quickly and easily improve the car, gives us the Internet. More and more often, to perform apparently really difficult operations, we do not need any complicated instrumentation, and a lot of ideas not have thought even if it was not a hint from the creators of such creative advice. Interestingly, many of them takes the form of instructional cutscene, making their own eyes, we can see that the presented method regarding clean inaccessible surface or mount useful gadget. Certainly it will convince many a wary viewer that such solutions really apply.