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Rag wringers are invaluable in the work place, and can pay for themselves in a very short time if you get the right one. Read on and discover how to find the right one for your needs.

It's no secret that using a rag wringer allows an organization to reclaim a lot of the fluids and oils that would otherwise go somewhere else to be recycled -- or into a landfill.

If you use absorbents to clean up oil and other fluids, wringing the rags out basically means that you can use a lot of your absorbents more than once and reduce your waste bill. At the same time, you're also being a little friendlier to the environment.

Even if you just use wet rags, a wringer can save you lots. For starters, you can wring them out before you put them into a dryer- so you save time and electricity.

Because we all have different needs, it's good to look for a reputable company that offers a variety of rag wringers. That way, you can be sure of the quality you are getting as well as having a really good selection to choose from.

Economy models are fine but shouldn't be an excuse to accept lowered standards. In fact, a good quality economy model can be perfect for small businesses. A rust proof frame is a must and any rubber components need to be hard rubber that will last many years.

The rag wringer mounts on the side of any 55 gallon drum, so it's portable if that's what you need. It will also fit to other round or square metal tubs, making it easy to extract fluids to be recycled or disposed of.

If you are in need of something that can work a little harder, you might need to move up to the next model. It certainly gives you more bang for your buck, allowing you to wring out more than just rags and absorbent pads- it will even do carpet!

It has a 12" wide chemical resistant roller, so there's no chance that the roller will perish as a result of oils and chemicals. It also has an anti spill valve to make sure there's no chance of an ugly mess occurring around the workshop.

But what if you need even more?

There's a pro model rag wringer that has everything the previous models do, and even a little extra for the money you spend. For starters, it has 19" rollers and accepts big rags and pads without the need to fold them.

It also has a 'hands free' electric motor, meaning there's no argument anymore over who does the rag wringing.

Want to know more about how to select the right rag wringer? Get valuable tips and the latest news about absorbents and other environmental and industrial safety products on Travis Zdrazil's Safety Maintenance News blog and get his free newsletter too. Travis is an expert on environmental safety products and has supplied businesses with products to aid in meeting EPA and OSHA requirements for more than 10 years.

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How Diesel Engines Work

When a gas is compressed, its temperature rises; a diesel engine uses this property to ignite the fuel. Air is drawn into the cylinder of a diesel engine and is compressed by the moving piston at a compression ratio as high as 25:1, much higher than needed for a spark-ignition engine. At the end of the piston stroke, diesel fuel is injected into the combustion chamber at high pressure through an atomising nozzle. The fuel ignites directly from contact with the air, the temperature of which reaches 700–900 °C (1300–1650 °F). The combustion causes the gas in the chamber to heat up rapidly, which increases its pressure, which in turn forces the piston outward. The connecting rod transmits this motion to the crankshaft, which delivers rotary power at its output end. Scavenging (pushing the exhausted gas-charge out of the cylinder and drawing in a fresh draught of air) of the engine is done either by ports or valves. To significantly increase the efficiency of a diesel engine, a turbocharger to compress the intake air is often used. Use of an aftercooler/intercooler to cool the intake air after compression by the turbocharger further improves efficiency.

In cold weather, diesel engines can be difficult to start because the cold metal of the cylinder block and head draw out the heat created in the cylinder during the compression stroke, thus preventing ignition. Most Diesel engines use small electric heaters called glow plugs inside the cylinder to warm the cylinders prior to starting. Some even use resistive grid heaters in the intake manifold to warm the inlet air until the engine reaches operating temperature. Engine block heaters (electric resistive heaters in the engine block) plugged into the utility grid are often used when an engine is shut down for extended periods (more than an hour) in cold weather to reduce startup time and engine wear. Diesel fuel is also prone to 'waxing' in cold weather. This is when the fuel begins to solidify into a crystaline state. The crystals build up in the fuel system (especially the fuel filters), eventually starving the engine of fuel. Low-output electric heaters in fuel tanks and around fuel lines are used to solve this problem. Also, most engines have a 'spill return' system, by which any excess fuel from the injector pump and injectors is returned to the fuel tank. Once the engine is warmed up, this warm fuel will prevent waxing in the tank. Fuel technology has improved in recent years, with special additives preventing waxing in all but the coldest climates.

A vital component of older diesel engine systems is the governor, which limits the speed of the engine by controlling the rate of fuel delivery. Unlike in petrol (gasoline) engines, incoming air is not throttled and an engine without a governor can overspeed. Older injection systems were driven by a gear system from the engine and thus supplied fuel in proportion with engine speed. Modern, electronically controlled engines apply controls similar to those of petrol engines and limit the maximum RPM through an electronic control module (ECM) or electronic control unit (ECU)—the engine-mounted computer. The ECM/ECU receives an engine speed signal from a sensor and controls the amount of fuel and (start of injection) timing through electric or hydraulic actuators.

Controlling the timing of the start of injection of fuel into the cylinder is a key to minimizing emissions, and maximizing fuel economy (efficiency), of the engine. The timing is usually measured in units of crank angle of the piston before Top Dead Center (TDC). For example, if the ECM/ECU initiates fuel injection when the piston is 10 degrees before TDC, the start of injection, or timing, is said to be 10 deg BTDC. Optimal timing will depend on the engine design as well as its speed and load.

Advancing the start of injection (injecting before the piston reaches TDC) results in higher in-cylinder pressure and temperature, and higher efficiency, but also results in higher emissions of oxides of nitrogen (NOx) because of the higher temperatures. At the other extreme, delayed start of injection causes incomplete combustion. This results in higher particulate matter (PM) and unburned hydrocarbon (HC) emissions and more smoke.

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Engines

what is the plane called that has a wing mounted engine on each side that lands on a carrier?

not the EA 6B prowler

I can think of a couple.
The S-3 Viking has two jets mounted under the wings.
The E-2 Hawkeye, has two turbo props.
The C-2 Greyhound "COD" is the same airframe as a Hawkeye, without all the electronics and radar.

Steering wheel is shuddering during braking
QWhile braking normally, the steering wheel on my 2006 Toyota Corolla with 31,000 miles starts to shudder. There is no vibration in the brake pedal, and there is no pulling to either side. The car stops normally. I notice it when the afternoon temps started to climb, but not in the cooler mornings.

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