Engineering Magazines

In a conventional marine diesel engine the power is produced by hot compressed air igniting fuel sprayed under very high pressure into the cylinder head. A marine diesel engine does not use a carburetor to mix fuel and air or spark plugs to ignite the mixture. Instead it employs the pistons to compress the air to 3000 kPa which causes it to become extremely hot and the fuel is ignited as soon as it is injected into the cylinder.

Some marine diesel engines are fitted with a heater plug in the inlet manifold or a glow plug in the pre-combustion chamber of each cylinder to provide additional heat to the combustion air during starting.

Diesel engines are heavier and slower revving than petrol engines but they are also more reliable because they do not rely on external carburetion or an electrical spark for ignition.

Newer engines use an electronic fuel injection system whereby fuel and air are mixed more thoroughly in the pre-combustion chamber before entering the cylinder. This system maximizes power and fuel economy and is also less polluting.

Every boater should have an understanding of how their engine works so let’s start by explaining the mechanical cycles.

Most reciprocating piston internal combustion engines work on one of two mechanical cycles-either the four-stroke cycle or the two-stroke cycle. These cycles designate, in correct sequence, the mechanical actions by which the fuel and air gain access to the engine cylinder, the gas pressure – due to combustion – is converted to power and, finally, the burnt gas is expelled from the engine cylinder.

The Basic Four-Stroke Diesel Engine

From its name, it is obvious there are four strokes in one complete engine cycle. A stroke is the movement of the piston through the full length of the cylinder and – since one such movement causes the crankshaft to rotate half a turn – it follows that there are two crankshaft revolutions in one complete engine cycle.

The four strokes in the order they occur are:

1. Inlet stroke. With the inlet valve open and the exhaust valve closed, the piston moves from top dead center (TDC) to bottom dead center (BDC), creating a low-pressure area in the cylinder. Clean, filtered air rushes through the open inlet valve to relieve this low-pressure area, and the cylinder fills with air.

2. Compression stroke. With both valves closed, the piston moves from BDC to TDC, compressing the air. During this stroke the air becomes heated to a temperature sufficiently high to ignite the fuel.

3. Power stroke. At approximately TDC, the fuel is injected, or sprayed, into the hot, compressed air, where it ignites, burns and expands. Both valves remain closed, and the pressure acts on the piston crown, forcing it down the cylinder from TDC to BDC.

4. Exhaust stroke. At approximately BDC the exhaust valve opens and the piston starts to move from BDC to TDC, driving the burnt gas out of the cylinder through the open exhaust valve.

The Two-Stroke Diesel Engine

The two-stroke engine uses two piston strokes to complete one power stroke and, therefore, fire twice as often as a four-stroke engine. A two-stroke engine is smaller and simpler with fewer moving parts. A two-stroke engine has the potential to produce twice as much power as a four-stroke engine of the same size, however, because of the extra fitting required in a two-stroke diesel engine, for example blowers and governors, they become more expensive to produce. There has been a shift towards four stroke diesel engines which have become more efficient and smaller.

Protect Your Marine Diesel Engine

Protect your engine by avoiding long periods (more than 10 minutes) of idling in a “no-load” situation. This is often done to charge batteries or cool refrigeration but if done repeatedly it will glaze the bores of the engine and cause premature engine failure. If the vessel is in a berth the engine can be put in gear to create load at idle.

All boat owners should have an understanding of basic marine diesel engine maintenance to keep themselves and their families safe on the water.

It is well known that 85-90% of all Internet users rely on search engines to help them locate the information they are looking for. However, only 7% of them look past the first 2 – 3 pages of the search engine’s search results. Therefore those top few spots are incredibly valuable, and competition for them is intense.

If your online success depends on getting the right visitors to your website, then it depends on high rankings for the right search terms, or keywords, on search engines. A high search engine ranking is critical. If you think you can’t afford to spend the time, effort and money it takes to get that ranking, then think again, the reality is that you can’t afford not to.

If you want to be successful in an online business, you must make the search engines your greatest ally. Search engines are the best possible supplier of long-term, targeted free potential customers. Good search engine optimization needs two vital ingredients

1. Content, Content, & more Content. 2. Links, Links & more Links.

1. Content for search engines is vital. It is fundamental to every legitimate search engine strategy. Good content is critical to a good search engine ranking because many elements of search engine algorithms insist on page content on web sites. The type of content you provide for search engines should also be the type of content your visitors will appreciate.

Simply put, that means if you provide content for your visitors, then the search engines will follow. Do your research for the correct keywords using a quality program such as keyword equalizer. Use these keywords in your Meta tag titles, and descriptions. Also use your keywords on your pages, in the titles throughout the body text. However, and this is important, be sure to use your keywords in such a way as to be valid to your readers. Avoid the deliberate overuse of keywords.

This is known as Keyword stuffing. It is unattractive and unappealing to your visitors. It does not provide them with the information they came looking for. If your visitors don’t like your site they won’t stick around, therefore it doesn’t matter even if the search engines do. However, keyword stuffing may well get your site penalized by the search engines.

There is currently much ado about articles for content on the web these days. One of the best methods of including quality content on your pages is with good articles. Write your own, or visit Content Desk, – join up if possible, – to find high quality articles to use in your pages for fresh relevant content that will be appreciated by your visitors. It will also help enormously with your search engine rankings.

Joining a pay per click program can provide appropriate themed ads on your pages. This is a great way of obtaining fresh new content which helps your ratings, and your customers. For multiple PPC programs PPC Management is a very useful tool.

2. Links to your site are also essential.

Quality inbound links provide access to your site for visitors and search engines alike. However, these links must be relevant to your target audience. From a visitor’s point of view there is no purpose in a link that is irrelevant to their topic of interest. They will probably not use it.

Search engines appear also to now be looking for relevant links, and tending to discard or even to penalize links that are irrelevant. Therefore, the type of links you provide for search engines should also be the type of content your visitors will appreciate.

Simply put, that means if you provide links for your visitors, then the search engines will follow. If you limit yourself to exchanging links only with websites that have a theme highly related to your own, the traffic you receive from those links will be far more targeted and valuable to you. Not only do highly relevant links bring you more highly targeted traffic, but they also provide customer satisfaction for your visitors. Therefore they are far more likely to visit you again.

Many search engines are now giving link relevance greater weight in their algorithms, in preference to purely link numbers. A large number of inbound links from pertinent sites that are highly ranked by the search engines is exactly what you need. However, to get those links, your content must impress the owners of the sites you link with. Back to that – content, content, content.

Obtaining quality links is a time consuming, but essential, process. Using a quality program such as SEO elite will help you to quickly find quality topical sites to include in your link exchange program, and make this job much, much easier. Another rapidly growing way of obtaining links that will be highly regarded by potential visitors and search engines alike is through an article submission campaign. If you submit articles applicable to your theme into quality article exchange vendors, such as Content Desk, they will be picked up by other websites looking for content, and distributed around the web. Include a few well placed links and have your biography link to your site or your opt-in page. You’ll be amazed at how well this technique is working for many home internet business owners.

Pay Per Click is one of the easiest ways to place links and immediately begin getting traffic. Advertising in this way on the search engines not only provides you with highly targeted potential customers, but provides a link from other relevant websites that participate in the advertising program. This can assist your search engines rankings.

Be sure though to monitor your PPC campaign closely, as it can get expensive if left unchecked. Remember that quality content and inbound links to your website are essential to your search engine ranking. However, the reason for providing both goes far deeper than impressing the search engines alone. “The customer is always right”. It is the visitors to your site that you need to impress. Highly themed quality content, and links to other relevant and well regarded resources, are what your customers are looking for. Guess what? So too are the search engines.

Simply put, if you provide content and links for your visitors, then the search engines will follow. Good luck, & have fun

If you require a new engine, for your car then you have three options – buy a used engine, refurbish your current engine or buy a new engine. Buying a used engine is most cost effective method rather purchasing a new one. Here are some good steps which will help you to buy used engines:

1) First decide what engine you require. Different brands require different engine, so you need determine the model and year of your car. You can consult to your owner’s manual to find the specifications of your car. You can also contact your car dealer with your vehicle identifications number and they can tell you what engine you have.

2) Notice the mileage of your current engine. Always look for a used engine that has fewer miles than the one you are swapping.

3) If you are unable to find reputed and good engine dealer for your used engine needs then go for online shopping. There are thousands of online vendors dealing in used engines. These companies buy used engines, dismantle them and sell the parts. They have adequate staff that remanufactures used auto parts for the purpose of reselling. They can send you the engine through ship in case you are in some other country. The engines come with warranty and they are ready to install.

4) Search local salvage yards for the engine that you require. May be you get a reputed dealer and find the engine that you are searching. Be attentive that you will most likely have to remove and prep it for install it yourself.

Now here comes some tips and warranty:



You should always try to upgrade the warranty while purchasing used engine. Usually, vendors offer 6 month warranty on used engines, but it is advisable you should try to upgrade warranty period for 1 to 2 year if you can.

Finding a local vendor can be time consuming and probably you may not find what you exactly require. It is wise to use online used engines vendors who can run a search for the engine and you can exactly find that you need.

Before purchasing a used engine from local dealer, make sure to VIN check on that car to find out the history. It will help you to avoid purchasing a used engine that has been flood damaged or rebuilt.

Ignore purchasing used engine from individual seller, because you are not familiar with the history of engine nor you will have any recourse if it doesn’t work.



EngineWorld USA is a renowned engine dealer specializes in selling used engines of various brands like Honda engines, Lexus engines, Acura engines, Suzuki engines, etc.

Honda is the most popular car among general public and well known for its fuel efficiency and long-lasting engines. After few time, like other vehicles, Honda’s tend to break down on occasion. Most of the time your requires engine replacement. If you are a owner of Honda car and your car requires an engine replacement then you should search for used engine. Why used engine? There are various benefits of used engines such as:

· Cost advantage – A key one is of course that used engines with low miles are often available at attractive price and are substantially below the high retail prices of new units. It is possible to save 50% or more by purchasing low miles used engine instead of new one. Used engines do not have any excess wear and decorative cost.

· Easy to install – Another key advantage of purchasing used engine is that they are readily available and can be installed quickly. You can easily buy them and have it shipped right at your preferred destination from a reputed dealer.

·Properly checked – Used engines are tested for smooth crankshaft, horsepower, leakdown, compression, oil content, etc. So, there are less chances of any problem in used engines. Companies those are dealing in used engines are having adequate staff to properly remanufacture the used engines.

Generally, used engine are come from wrecked vehicles. These engines are transported from Japan. The used does not transported until they have been used engines are checked for every test. Before purchasing used engines from anywhere make sure that the engine are thoroughly to ensure it is in perfect condition. If you get the engine in good condition then it will be long lasting.

There are few questions that you need to ask while purchasing

Once you have found used Honda engines there are few questions that you need to ask from your dealer:

Usage and age – Find out how many years old your used engine is and how many miles it is used?

Maintenance – You should ask for the maintenance for the maintenance of the used engine whether it is properly tested for everything or not.

Performance – Performance test determines the efficiency of the used engine and how well it will perform in the future.

Manufacturer History – You should always try to purchase Honda used engine from the well-known and trusted manufacturer in order to get the best deal and responsible for there products.

Physical Wear – Make sure to check the used engine for fatigue and wear. You should also check for corrosion and cracks.

Buying used Honda engines can be a sound and cost-effective expenditure for you and your business. Always make sure to ask about the right questions and do proper research to insure that you are getting the right used Honda engine for your money.

Engineworld USA offers wide range of cost effective used Honda engines and other used engines for your vehicle requirements. To know more about the used engines and their prices you can visit their websites www.usedjapanmotors and you can also buy used engines online.

Is your web site search engine compatible? Despite all the misinformation out there, it’s very easy to design a web site that search engines will love. All you need to do is follow 3 simple steps:

1) Obey the Search Engine Guidelines

Nearly all search engines publish their own guidelines regarding the submission of sites, the type of sites they will accept and recommendations for optimized content. Google recently updated their Webmaster Guidelines which cover the most common forms of deceptive or manipulative search engine behavior that they consider to be ’spam’. They also published SEO Guidelines – advice for webmasters to heed when choosing an SEO. Google was the first search engine to publicly acknowledge search engine optimizers in this fashion.

It’s not just Google publishing anti-spam guidelines. You’ll find them at the following search engine sites as well:

Yahoo terms of service

Yahoo guidelines on search engine spam (covering AltaVista and AllTheWeb as well)

Yahoo definitions of search engine spam (covering AltaVista and AllTheWeb as well)

Yahoo content guidelines

MSN Search webmaster guidelines

AltaVista terms of use (AltaVista is a Yahoo-owned company)

Ask.com terms of service and spam policy

Ask.com editorial guidelines

2) Don’t Use Spammy Search Engine Tactics

Often, webmasters will use search engine spam techniques without even being aware that they are doing so. Or worse, web designers can – advertently or inadvertently – integrate techniques that could cause a site to be penalized in the site’s rankings in one or more engines, without the site owner’s knowledge of such penalties. The key to avoiding spamming the engines is research.

Keep track of the various search engine guidelines via the links above. Watch for any changes they make to these guidelines and tweak your site accordingly. Trawl the various webmaster and search engine forums regularly to ensure your site doesn’t use any of the latest optimization methods that appear to be penalized. If you suspect your site has been penalized, remove the offending content, contact the engine concerned and ask to be reinstated.

Google actually encourage you to file a re-inclusion request via their Help Center and this post by Google staffer Matt Cutts outlines what should be included.

Alternatively, here is a sample email template you can use instead:

——————————————–

Sample Re-inclusion Request Email

Dear [search engine name],

I am the owner of [your site URL].

I did not realize that participation in [spammy method] and

[spammy SEO name] programs could cause problems for my website. I was

assured that these techniques were search-engine-friendly by [your source for using spammy method].

I now understand that the practices used are not acceptable. I apologize for having allowed them to be placed on my website. I’ve removed the questionable pages and links from the site. I promise not to repeat such mistakes.

I am asking you to please consider reinstating my website,

[your site URL] into the [search engine name] Index.

Sincerely,

[Your Name]

——————————————

To assist them to provide a high quality service, search engines encourage people to report search results they are dissatisfied with. If you spot some content spam or techniques that are clearly in breach of the search engine’s public guidelines, you can report it using these links:

Google spam report or via search-quality@google.com

AllTheWeb relevancy problem report (AllTheWeb is a Yahoo-owned company)

AltaVista search results manipulation report (or via Yahoo’s spam report)

Yahoo spam report

Ask.com spam report or via information@ask.com

3) Build Sites for Visitors Rather than Search Engines

The methodologies may have changed over the years, but the same principles have always applied to “good” or “white hat” SEO. Build sites for humans, not search engines. Make the site as user friendly as possible, avoid the bells and whistles and include high quality, relevant content.

Wherever possible, include text-based content and navigation menus with simple, descriptive, well-written copy designed to convert your visitors into customers. Include keywords and phrases your audience would logically type in to search engines to find sites like yours. Only link to sites that are relevant to your target audience and spend some time on usability, making sure all your forms and shopping carts work.

Remember that what pleases a visitor is almost always what pleases a search engine too.

The website www.rebuiltautoengines.com provides helpful information including buying recommendations for marine and auto engines. The rebuild auto engine inventory at www.rebuiltautoengines.com includes applications for almost all domestic/American and Import/Japanese engines (big and small blocks). The website offers the public as well as automotive professionals cost effective rebuild engines. This online shop builds engines for Chevy, Jeep, Ford, Toyota, Dodge Chrysler, and many other makes.

If you are restoring a truck or a car then under any circumstances, you should not compromise on value and quality by buying a low quality used engine. A good investment will be to purchase a remanufactured engine, which can last for years to come. You should buy one that guarantees long-term performance that is more or less equal to a new OEM engine.

Here at www.rebuiltautoengines.com you will find pricing and information on the inboard boat engines that are manufactured by GM Chevrolet, Ford and dodge Chrysler. The typical marine outboard/inboard engine exactly looks like an auto engine; however, it is build with extra performance features so that it can sustain the roughness when it is driven on water. The marine engine block also has a good water resistance tolerance. The boat monitors available at www.rebuiltautoengines.com have a 12 month unlimited mile warranty. In order to find the right engine for the boat you have to refer to the owner’s boat manual or else check the casting on engine block

The website also provides descriptive information on a variety of particular engine problems. It also give some suggested solutions to these problems. Before you repair or install an engine, you should visit their article collection. On this website (www.rebuiltautoengines.com) you will also get to know troubleshooting tips and advice that can save your time, money and energy. The installation guides and question and answers section related to installing a engine will also be extremely beneficial to you. Therefore, advice your installer to access this section before he finally decides to install remanufactured engines.

In order to provide the best experience to the customers while installing and buying remanufactured or diesel engines the website has a directory that contains a list of auto repair shops. The directory basically consists of professional companies that help in installing engines at a lower cost. The most important thing that you will be given assurance about the performance and quality of the engine. The engines are guaranteed to be of best quality. If you don’t have any experience in installing or repairing gas engines, the website recommends that you take the help of a technician, one who can install and evaluate your new or used engine.

The website www.rebuiltautoengines.com also provides a summary of most popular engines. You will get to know the features of engines such as Chevy 350, GM 6.5 diesel, Toyota 2.4, jeep 2.5 and jeep 4.0. The website also contains general articles on imported and domestic engines. These articles provide useful information about these engines.

They are devoted to their remanufacturing engine business. They provide exceptional customer support and have pleased thousands of customer’s worldwide.