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Golf Cart Battery Cables Exposed – Does Size Really Matter or New Golf Carts ?

For gas powered carts, the cables need only be of sufficient size to operate the starter motor, which is only for a few seconds at a time. So that answer is no, the originally installed cables are plenty sufficient in size. For those of us who have the more plentiful, battery powered carts, New Golf Carts  in Randburg the answer is somewhat more complicated. The short answer for us is, yes and no, depending upon what we expect from the cart or if modifications to the motor or controller have been made.

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If the cart is absolutely bone stock (all original with no upgrades) and is used primarily as originally intended around the local course, the standard 6 AWG (aka 6 gauge or #6) cables are perfectly fine. Wire (cable) size is measured by a standard called American Wire Gauge or AWG and relates to the diameter or cross sectional area of the copper conductor itself. The smaller the AWG number, the larger the diameter, and hence, larger current carrying capacity. For example, a 2 AWG cable is larger than a 4 AWG which is larger than a 6 AWG. Most cart manufacturers use 6 AWG cables. The finest cables we have found so far are made by MaxiLink.com, which are super flexible and made for extreme duty electric vehicle use.

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Ok, now for you guys that want better performance, we’ll get a little more technical. The maximum current that will ever go through your cables is when the cart is at rest and you mash the gas pedal to the floor. At that point in time, the controller puts out the max power it is capable of, and the motor experiences what is called “locked rotor” current draw, which can be hundreds of amperes. When the motor is in a stalled state, it requires tremendous energy to get it spinning to the rated RPM. If the motor were to stay in the stalled state (if there was some mechanical restraint that would not allow it to turn) the high current would continue to be absorbed by the motor until it actually burned up the windings.

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Typically though, the motor begins to spin immediately, and the current drops down to 20 or so amperes within a few milliseconds (on a stock cart). There are four things that limit that maximum current; the resistance of the internal windings of the motor, the current capacity of the battery pack, the controller capacity and the resistance of the battery cables. The Battery Pack and Motor windings are pretty much fixed values. Keep these in mind because we will come back to them.

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Aftermarket “high torque” or “high speed” motors installed to increase the carts performance are commonplace these days. Unfortunately, that additional performance requires additional power. The motor is only there to convert electrical energy into kinetic energy (not very efficiently either). High power motors have a lower internal resistance than stock, which in turn draws more current. If you remember from science class, power (in watts) is voltage (E) multiplied by the current (I). Since the voltage cannot go any higher than the battery’s 48volts (or 36volts), the current increases in order to satisfy the power demand of the motor. Unfortunately, this is where the resistance of the battery cables come into play. As the current increases in a conductor, power is lost in the form of heat at a rate of I2R, where R is the cable resistance.

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In an ideal cable and to transfer max power, the cable resistance (R) should be zero ohms. Unfortunately all cables have some resistance. The cable resistance causes the voltage to drop (E=IR) and results in lost power to the motor. The solution; increase the size of the battery cables (the larger the cable the less the resistance). Of course, the cable diameter can only be increased within reasonable mechanical size limitations, but that is what is required to reap the full benefits of a high power aftermarket motor. Our example used the locked rotor current to explain the worst case effects. They are less drastic at partial throttle, where the current draw is significantly less.

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If you want to do the drag racing, burnouts, wheelies and such with your cart though, you will need the bigger cables to supply the required massive inrush of current to the motor. Although the resistance of the cables seems tiny (#6 = 0.00047ohms/ft vs. #2 = 0.00015 ohms/ft), the voltage drop is significant when large currents are present, which will reduce performance. So for the high power motor users out there, use large diameter cables and keep them as short as possible. Size will matter to you. Look for other articles by Randy Wade and check out www.digitaloverdrivesystems.com regularly for news, tips and performance products including the new Maxilink Extreme Duty EV cables.

Interesting Facts About New Golf Carts in Germiston :

About New Golf Carts in Germiston :

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In the market for a used golf cart? Did you know that they’re not just for driving around the course anymore? You can use them to haul yard gear and transport gardening supplies and tools. They can also be utilized simply as a way to get from point A to point B if you’ve got a large piece of property or just need a little assistance getting around. Also, a used golf cart can be a big help if you’re a family who likes to travel. They’re great to have on camping trips for tooling around the grounds, or getting to the store, showers and swimming hole. And of course, they still make your golfing experience more enjoyable when cruising around the course instead of walking, especially on those warm days. Used golf carts are available in electric or gas power and range in price from around $1,500 to higher end versions priced at around $4,000 depending on the extras you choose. There’s also lots of online companies that also sell reconditioned carts for an even more economical approach. Another money-saving tactic is that if you’re mechanically inclined and have an old golf cart that may be out of commission due to worn out or broken parts, you can purchase a wide variety of replacement parts, either aftermarket, used, refurbished or new, from an online dealer. One new and fun aspect of owning a used golf cart these days is that you can also get them custom painted! There are companies that will airbrush your name, boat name, or even a cartoon character or favorite scene and most places just need a picture or sketch of your idea to create original artwork for your cart which will make it uniquely yours! What about cart stretching? Instead of purchasing a larger cart, this concept involves cutting an existing 2-seater golf cart in half and then combining it with another to ‘stretch’ your seating and space availability. It can also increase the safety and comfort of your passengers which is always a good idea. Additionally, if you’ve got a used golf cart, or are planning on purchasing one and it may not come exactly the way you wanted, there’s lots of accessories and updates you can add to it. Some of these include heaters with 12 to 48 voltage capabilities that plug right into the cart’s power outlet. You can order custom-made seats in your choice of upholstery and color, a new canopy or even different floor mats. Look around online to see all of the many options that are available to you. For all its uses, a used golf cart is a functional and fun way to get things done.

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If you have made the decision to buy used golf carts, you now have to determine if you prefer a gas-powered to an electric cart. There are benefits to both and knowing all the facts about the benefits and drawbacks will help you make an educated decision. Gas and electric used golf carts look the same, for the most part.The positive aspects of gas carts is that they have a bit more power than their electric counterparts and therefore, do better if the golf course you normally golf has a landscape with lots of hills. Gas carts tend to last longer and are quite durable; there is not a lot that can go wrong with them. Gas carts are cheaper, for the same reason gas-powered cars are cheaper than electric.If you are looking into used golf carts, chances are money is an issue, so a gas-powered may be your best option because you will get a lot better of a cart than an electric cart. However, it is wise to know exactly what your budget is and then decide which cart you truly can afford. You might be surprised and end up able to afford the electric model, unless the gas cart is truly, what you want. Regardless if, you choose gas or electric, always purchase from a reputable dealer.

Golf Carts: Great For Golf, But What About All The Other Uses?

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If you have made the decision to buy used golf carts, you now have to determine if you prefer a gas-powered to an electric cart. There are benefits to both and knowing all the facts about the benefits and drawbacks will help you make an educated decision. Gas and electric used golf carts look the same, for the most part.The positive aspects of gas carts is that they have a bit more power than their electric counterparts and therefore, do better if the golf course you normally golf has a landscape with lots of hills. Gas carts tend to last longer and are quite durable; there is not a lot that can go wrong with them. Gas carts are cheaper, for the same reason gas-powered cars are cheaper than electric.If you are looking into used golf carts, chances are money is an issue, so a gas-powered may be your best option because you will get a lot better of a cart than an electric cart. However, it is wise to know exactly what your budget is and then decide which cart you truly can afford. You might be surprised and end up able to afford the electric model, unless the gas cart is truly, what you want. Regardless if, you choose gas or electric, always purchase from a reputable dealer.

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