Golf Cart Battery Cables Exposed – Does Size Really Matter or Yamaha 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, Yamaha Golf Carts in Pretoria 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.
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.
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.
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.
Golf Carts, Not Just For the Golf Course Anymore!
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.
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.
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 Yamaha Golf Carts in Johannesburg:
About Yamaha Golf Carts in Johannesburg:
In the market for a used golf cart? Did you know that theyre 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 youve 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 youre a family who likes to travel. Theyre 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. Theres also lots of online companies that also sell reconditioned carts for an even more economical approach. Another money-saving tactic is that if youre 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 youve got a used golf cart, or are planning on purchasing one and it may not come exactly the way you wanted, theres 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 carts 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.
Yamaha Golf Carts in Johannesburg
The Harley Davidson golf cart is a great, old buggy and those who have one consider themselves lucky. This particular vehicle has not been in production for several decades now, and this often means those buying one will not have the owner's manual that goes with the vehicle. One of the most common mistakes made by new owners is improperly mixing the fuel and oil. Without the owner's manual handy, this mistake is easy to understand. This article goes into how to properly mix the oil and fuel in a vintage Harley Davidson golf cart.
Before we go into the proper method for mixing the oil and fuel in a vintage Harley Davidson golf cart, let's be clear about one thing. Improper mixing can lead to severe damage in the engine. Once this damage occurs it has to be repaired if you want to operate the vehicle. These repairs can be time consuming and expensive. While you can certainly find Harley Davidson golf cart repair parts online, it is not always easy finding them. When you do find them, the price may be high simply due to the scarcity of these old parts. The best way to avoid having to make these repairs is to protect the engine by using the right fuel and oil mix.
If your Harley Davidson golf car has a recently rebuild engine, you want to use 3 ounces of good quality 2-cycle oil for each gallon of gas in the first tank of gas. Once this first tank is used up, decrease the oil to 1.5 ounces per gallon of gas. Keep in mind that this first tank (the one using 3 ounces of oil) may foul the plug. Be prepared to change out the plug before going to the second tank of gas. It is a lot less expensive to buy a new plug than it is to rebuild the engine.
Once you apply this mix to your Harley Davidson golf cart, you will be able to enjoy your vehicle without fear of burning the motor up. Take care of your vintage vehicle and don't forget to pass it on to someone who will care for it as you do.
High Speed Golf Carts: Choosing Your Options
E-Z-Go golf carts come in both electric powered as well as gas powered models to choose from.
If you want to own an E-Z-Go golf cart that offer noise-free and pollution free operation, then the electric E-Z-Go gas golf carts should be opted. But electric carts needs to be charged more often and can run only a few turns. Other than gas powered models that run in gasoline fuel offer long run and is ideal for you to use them for your personal needs as well other than in the course such as for transporting luggage to airport, hospitals, recreation centers, resorts etc and even to take a drive down the town without the need for taking your car. But, even though it provides so many advantages, you should also take much effort in its maintenance. Sometimes, you may find that your cart is not performing perfectly like when it was bought. That means it is time to do a little bit of maintenance. If you do not take care of your cart, you will have to confront with a major repairing need. Thus, it is important that you keep yourself well familiarized with some easy methods to detect any defect and troubleshoot it yourself.
Golf carts can come with several problems, some of which can be prevented with your regular care and maintenance. In order to find out any problem that has occurred with your cart, you have to move through the engine parts to check what has gone wrong. The engine and engine tank can easily become clogged with dust, dirt, grease and debris accumulated in them. So, you have to clean them thoroughly and regularly to keep away from any such accumulation that can adversely affect the performance and life expectancy. Golf vehicles may come with both mechanic and electrical problems. If you detect that the engine starts but does not move the cart, the problem may be mechanical and if the nothing happens on turning the key on, it may be some electrical problem. You will need the help of an authorized mechanic. To avert such problems, check for the battery condition regularly and examine the cable connections along with oil levels and cell water levels.
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