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Midas Power Archives - Page 5 of 5 - Midas Randburg

Midas Power

Everything related to all things that make or require power in your car, such as: Batteries, chargers, coils, leads and more.

  • Know how a Lead Acid Car Battery Works

    Have you ever wondered how does a lead acid car battery works, then wonder no more #MidasPower At Randburg Midas we do not only supply new batteries, we also have a great range of battery chargers. Lead oxide plates interacting with sulfuric acid in a car battery is what creates the electrical current used by the car’s starter and electrical system. That’s the basic and simple description. In order to gain a better understanding of how a car battery works, you need a little more than just the bare basics. The following paragraphs will describe some construction features of a lead acid twelve volt car battery and then give a more complete description of the chemical processes your battery undergoes during the charge and discharge cycles. Construction Your car’s battery has a specialized hard plastic shell which contains the sulfuric acid electrolyte and the lead oxide plates. The top cover is made from a slightly thicker and heavier piece of plastic. From this top plate is a heavy lead oxide suspension matrix which supports the lead oxide plates and the separator plates. If the separator plates weaken or fail, the battery can short out internally. The material most often used for separator construction these days is rubber. In a lead acid car battery, the lead oxide plates alternate positive and negative, or cathode and anode. The greater the surface area of the plates, the more current the lead acid battery will be capable of supplying. Typical methods of increasing the surface area of the lead oxide plates and thus increasing output is by intentionally pitting the plates and drilling holes in them. Other chemicals and metals are added to the lead oxide of the plates in order to stabilize them and to slow down their rate of degradation under extreme usage. Many manufacturers use a red lead and sulfuric acid dilute paste that is pressed into the holes in the plates. The use of this mixture greatly enhances electron transfer as well as multiplies the usable surface area of the plates. The Chemical Process In a lead acid car battery, electrical current is created during the discharge cycle as the lead oxide plates absorb sulfate from the diluted sulfuric acid solution. The amount of current produced depends on how much sulfate the electrolyte is able to give up during discharge. When the battery is charged, the process is reversed. Current is pushed through the positive…

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  • Emergency battery jump start

    There is nothing worse than getting stuck with a flat battery and no one to help you jump start your car. Don’t worry, Randburg Midas has the perfect solution to help your emergency battery jump start #MidasPower The portable 12-volt power pack has 1001 uses. This high capacity compact, rechargeable unit will go anywhere to start a car all connectors and adaptors supplied. 900 amps peak output at 12-volts, 400 amps boost for rundown vehicle batteries. Sealed, maintenance free battery for maximum capacity & safe operation. Battery condition & charge level indicator. Integral work-light for night time operation. ENGINE START SIZE DIESEL – UP TO 3L ENGINE START SIZE PETROL – UP TO 3L Source: www.bidorbuy.co.za Connect with us and share your photos of your goodies from Randburg Midas and tag #RandburgMidas Facebook Twitter Youtube Google+ Instagram LinkedIn Pinterest

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  • Battle of the bulbs: Xenon vs Halogen

    We take an expert look at the age old battle of the bulbs: Xenon vs Halogen #MidasPower For all your vehicle light/ globe needs, come past Randburg Midas. We stock both Halogen and Xenon Xenon lights look fantastic and offer improved visibility, but they typically involve additional cost. Conversely, Halogen bulbs are cheap and reliable, but they leave room for improvement in lighting quality. To help shed some light on the real-world benefits of xenon lighting, and what the future of vehicular illumination might have in store, our Justin Pritchard had an enlightening conversation with Mercedes-Benz’s David Sherrard about the differences in two types of automotive lighting. J.P.: Why do some vehicles have xenon lighting as an option? Is something wrong with regular halogen? D.S.: ‘Bi-Xenon’ headlamps, which refer to xenon lamps that function in both the low and high-beam positions, are more costly to produce than halogen headlamps. Regular halogen headlamps work very well– but they don’t provide the same quality of illumination offered by bi-xenon headlamps. J.P.: Most test-drives in the shopping process aren’t carried out at night. What are the key differences shoppers can expect if they opt for xenon lighting? D.S.: The key benefits to purchasing bi-xenon headlamps versus halogen headlamps include outstanding brightness compared to conventional headlamps, longer service life, significantly improved lighting range in high-beam mode, and clearer and broader illumination of the edges of the road in low-beam mode. Also, the headlight cleaning system provided with bi-xenon lighting on our vehicles ensures that the headlamps remain clean at all times. J.P.: Functionally speaking, standard halogen light bulbs are pretty straightforward. How do xenon headlamps work? D.S.: The light source in a bi-xenon headlamp is a ‘gas-discharge’ lamp, in which an arc is generated within a quartz cylinder that contains a mixture of gasses. A single gas-discharge lamp is used for both high and low beam settings. In the high-beam setting, the entire beam is used, and when switching to a low-beam setting, a shutter is inserted between the lamp and the lens, blocking out the portion of the beam directed into the distance to prevent dazzling oncoming vehicles. J.P.: Who should most strongly consider opting for a xenon lighting system? D.S.: Bi-Xenon lighting provides benefits to all customers. In the absence of other forms of light, the benefits of bi-xenon technology become abundantly clear– so customers that drive long distances on rural, typically poorly-lit roads will definitely see clear benefits from xenon headlamps. J.P.: What’s the…

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  • What does the Distributor Caps do?

    If you have ever wondered what does the distributor caps do, then wonder no more #MidasPower Randburg Midas stocks distributor caps, rotors and points for all makes and models of cars. Distributor caps and rotors are responsible for passing the voltage from the ignition coils to the engine’s cylinders in order to ignite the fuel-air mixture inside and power the engine. The coil connects directly to the rotor, and the rotor spins inside the distributor cap. When the rotor’s tip passes a contact on the cylinder, a high-voltage pulse travels from the coil to the cylinder via the rotor. That pulse jumps the little gap between contact and rotor and moves on to the spark plug wire, eventually igniting the spark plug on the cylinder. Because of all the high-voltage activity, the rotor and cap have to be replaced relatively frequently. They wear out easily. The distributor cap and rotor are part of the ignition system, which has to work in concert with the rest of the engine in order to ignite the fuel at the proper time. The idea is to maximize the output of the expanding gases in the engine by lighting them so that they produce heat and the fuel turns to exhaust. The exhaust increases the pressure in the cylinder and pushes the piston down. The idea is to create as much pressure as possible inside the cylinder, thereby maximizing torque and power. Plus, the more efficient the cylinders are, the better the car’s mileage will be. Therefore, the real catch to the coil-distributor-cylinder system is timing. Since there’s a short delay between when the spark is created and when it ignites the mixture in the cylinder, the spark has to happen before the piston reaches the top of its stroke. That way, by the time the spark arcs its way across the gap between the rotor and the cylinder, the piston will just reach the top of the stroke and the pressure will be able to build up as it descends into its power stroke. Source: auto.howstuffworks.com

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  • Please be safe. And enjoy!

    Wherever you’re going tonight, please be safe. And enjoy!

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