CARB/ CARBY /THE HEART OF THE MOTOR?

Let’s talk  Carbarators :

What is a Carbarators and what are Carbarators useful for ?: A carburetor (American English)[1] or carburettor (British English)[2][3] is a device that mixes air and fuel for internal combustion engines in an appropriate air–fuel ratio for combustion. The term is sometimes colloquially shortened to carb in the UK and North America or to carby in Australia.[4] To carburate or carburete (and thus carburation or carburetion, respectively) means to mix the air and fuel or to equip (an engine) with a carburetor for that purpose. [Wikipedia].

The best explanation I came across on the internet was an article by Chris Woodford : Fuel plus air equals motion—that’s the basic science behind most of the vehicles that travel on land, over sea, or through the sky. Cars, trucks, and buses turn fuel into power by mixing it with air and burning it in metal cylinders inside their engines. Exactly how much fuel and air an engine needs varies from moment to moment, depending on how long it’s been running, how fast you’re going, and a variety of other factors. Modern engines use an electronically controlled system called fuel injection to regulate the fuel-air mixture so it’s exactly right from the minute you turn the key to the time you switch the engine off again when you reach your destination. But until these clever gadgets were invented, virtually all engines relied on ingenious air-fuel mixing devices called carburetors (spelled “carburettor” in some countries and often shortened to just “carb”). What are they and how do they work? Let’s take a closer look! [Explainthatstuff.com]

You might think “carburetor” is quite a weird word, but it comes from the verb “carburet.” That’s a chemical term meaning to enrich a gas by combining it with carbon or hydrocarbons. So, technically, a carburetor is a device that saturates air (the gas) with fuel (the hydrocarbon).

Who invented the Carburettor ?Carl Friedrich Benz, sometimes also Karl Friedrich Benz, was a German engine designer and automotive engineer. His Benz Patent Motorcar from 1885 is considered the first practical automobile put into series production. He received a patent for the motorcar in 1886. Wikipedia.

What components make up a carburetor : Components of carburetors usually include a storage chamber for liquid fuel, a choke, an idling (or slow-running) jet, a main jet, a venturi-shaped air-flow restriction, and an accelerator pump. The quantity of fuel in the storage chamber is controlled by a valve actuated by a float.

How does a carburetor work?

A carburetor relies on the vacuum created by the engine to draw air and fuel into the cylinders. This system was used for so long because of the simplicity behind it. The throttle can open and close, allowing either more or less air to enter the engine. This air moves through a narrow opening called a venturi. This creates the vacuum required to keep the engine running. [Autoblog].

Thanks to the venturi, there is enough of a vacuum inside of a carburetor for the air passing through it to steadily draw gas from the jet. Found inside of the venturi, the jet is an opening where fuel from the float chamber can mix with air before entering the cylinders. The float chamber holds a small amount of fuel, like a reservoir, and allows fuel to easily flow to the jet as it is needed. As the throttle opens, more air is drawn into the engine, bringing with it more fuel, which makes the engine create more power.

The main issue with this design is the fact that the throttle has to be open for the engine to get fuel. The throttle is closed at idle, so an idle jet allows a small amount of fuel to enter the cylinders to keep the engine from stalling. Other small issues include excess fuel vapor escaping the float chamber(s).

In the fuel system

Carburetors have been made in a number of shapes and sizes over the years. Small motors may just use a single carburetor with a single jet to get fuel into the engine, while larger motors can use as many as twelve jets to stay in motion. The tube containing the venturi and jet is called a barrel, though this term is usually only used when referring to multi-barrel carburetors.

Multi-barrel carburetors were a big selling point for cars in the past, with options like 4 or 6-barrel configurations. More barrels meant more air and fuel could enter the cylinders. Some engines even used multiple carburetors. [Auto blog]

Carburetor Problems

When a carburetor is clean and is working properly, the engine should start easily (hot or cold), idle smoothly, and accelerate without stumbling. The engine should get normal fuel economy and emissions should be within limits for the year of the vehicle.

Problems that are often blamed on a “bad” or “dirty” carburetor include hard starting, hesitation, stalling, rough idle, flooding, idling too fast and poor fuel economy. Sometimes it is the carburetor and sometimes it is something else. Carburetors can be tricky to rebuilt, and expensive to replace, so you want to be sure of your diagnosis before you touch this critical part.

Below is a shop we recommend to fix /repair your carburetor. They are based in Johannesburg CBD :

Name : Carburettor City

Contact number : 011 334 8036

Address : 171 Main Street Johannesburg.

What are your earliest memories of the Carburettor ? Is the Carburettor really the heart of a motor ? Share your thoughts.

Cheers Mo Africa. Let’s keep on moving.

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