Introduction
In the world of RC racing, having a high-performance race buggy can make all the difference on the track. However, with the release of new models becoming less frequent, it can be a challenge for newcomers or those who don’t have their old equipment anymore. In this article, we will explore how to build a budget RC race buggy using the Kyosho Dirt Master, all while keeping the cost under $400.
The Rules
To ensure that this budget build is accessible to anyone, certain rules will be followed. The goal is to create a setup that can be easily obtained from local hobby shops without relying on online platforms like Amazon or Banggood. Additionally, the focus will be on avoiding expensive upgrades, such as the ones required for the RB5 from Associated. With these rules in mind, let’s dive into the build.
Start with Upgrades
Before assembling the race buggy, it’s important to consider some essential upgrades. These upgrades will not only enhance the performance of the car but also put you on a better pedestal without breaking the bank. Additionally, I would like to express my gratitude to one of my sponsors, CowRC. CowRC offers top-quality products for cleaning and maintaining RC cars, making them an excellent choice for any racer.
Choosing the Kyosho Dirt Master
The Kyosho Dirt Master is an ideal choice for our budget build. Not only does it have a reasonable price, but it also offers great handling and durability on the track. This buggy is a versatile option that allows for easy customization and tuning based on your preferences. With its rear motor configuration, the Kyosho Dirt Master delivers stability and improved traction, essential for competitive racing.
The Essential Components
Now, let’s go over the essential components needed for the budget build. As mentioned earlier, all the components can be purchased from local hobby shops, ensuring accessibility for everyone. Start with the following items:
1. Chassis: The Kyosho Dirt Master comes with a durable and lightweight chassis that provides a solid foundation for the race buggy. Its design allows for easy maintenance and customization.
2. Motor and ESC: Look for a high-performance brushless motor and ESC combo within your budget. Several options are available at your local hobby shop, offering great power and efficiency.
3. Battery: Invest in a quality lithium polymer (LiPo) battery pack to ensure a longer run time and consistent power output. Check the specifications of the Kyosho Dirt Master to find the suitable battery size and voltage.
4. Radio System: A reliable and responsive radio system is crucial for precise control of your race buggy. Choose a radio transmitter and receiver that fits your budget and offers a good range.
5. Suspension and Shock Absorbers: Upgrade the stock suspension components with adjustable shocks and improved shock oils. This will provide better damping and handling capabilities on various track surfaces.
6. Tires: Depending on the track conditions, select a set of tires that offer optimal traction and durability. Talk to the experts at your local hobby shop to find the most suitable tires for your needs.
7. Body and Wing: Give your race buggy a personalized touch with a stylish body and aerodynamic wing. These components not only add visual appeal but also enhance the overall stability and performance of the buggy.
Building the Race Buggy
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Choosing the Right Kit
In the world of RC racing, there are several options to consider when it comes to choosing a kit. For those on a budget, or those who simply prefer a rear motor kit, there are a few choices available. One of these options is the GeForce Goova, a budget-friendly kit designed in part by Masami Hirasaka. While it offers a cheap way to experience the thrill of RC racing with modern electronics, there are a few downsides to consider.
Downsides of the GeForce Goova
One of the main drawbacks of the GeForce Goova is its hardware. Many of the screws used in this buggy, especially those on the underside, are Philips head screws. This might not seem like a big deal, but experienced modelers and racers tend to dislike Philips head screws because they can easily strip, even when using proper tools. This can cause frustration and potentially lead to costly repairs.
Consider the Kyosho Dirt Master
If you’re looking for an alternative to the GeForce Goova, the Kyosho Dirt Master is worth considering. This kit offers a rear motor setup and is a popular choice among RC enthusiasts. It provides a solid balance of performance and affordability.
Building the Kyosho Dirt Master
Now that we have chosen the Kyosho Dirt Master as our kit, let’s dive into the process of building it. It is important to have the necessary tools and equipment ready before you begin. Some of the tools you will need include a hex driver set, a screwdriver set with various sizes, and a pair of needle-nose pliers.
Step 1: Read the Instructions
Before starting the assembly process, it is crucial to thoroughly read the instructions provided with the kit. Familiarize yourself with the various parts and their corresponding locations. This will make the building process smoother and help you avoid any mistakes.
Step 2: Organize the Parts
After reading the instructions, take some time to organize the parts. Lay them out in a clear and organized manner, making it easier to find the components as you progress through the build. This step will save you time and prevent frustration later on.
Step 3: Start with the Chassis
Begin the assembly by focusing on the chassis. Follow the instructions step by step, ensuring that each component is properly installed. Pay attention to any specific instructions or tips provided along the way, as they can make a significant difference in the final result.
Step 4: Install the Electronics
Once the chassis is complete, it’s time to install the electronics. Carefully follow the instructions to properly connect the motor, receiver, and other electrical components. Take your time and double-check each connection to avoid any potential issues later on.
Step 5: Fine-Tuning and Testing
With the chassis and electronics fully assembled, it’s time to fine-tune the buggy. Make any necessary adjustments to ensure optimal performance. Once you are satisfied with the setup, take the RC race buggy for a test run. This will allow you to gauge its performance and make any final adjustments if needed.
The Goova RC Race Buggy: A Budget Dilemma
When it comes to building a budget RC race buggy, the Kyosho Dirt Master Goova may seem like a tempting option. However, there are a few important factors to consider before making a purchase.
The Challenge of Obtaining the Goova
One major obstacle with the Goova is its limited availability. While you can find it on platforms like eBay, the import fees can significantly eat into your budget of 400. This becomes a significant drawback that potential buyers should keep in mind.
Language Barrier: Instructions in Japanese
Another hurdle when it comes to building the Goova is the language barrier. The instructions provided with the kit are in Japanese, which poses a challenge for those who cannot read the language or lack experience as builders. This can lead to complications and difficulties during the assembly process.
An Alternative: The PR Racing S1 RM
If you’re looking for a high-quality rear motor car, the PR Racing S1 RM is worth considering. It boasts an impressive range of features, utilizing up-to-date materials such as high-quality shocks and carbon fiber parts where necessary. Additionally, it includes a ball diff, which is a significant upgrade.
Kis City RC has even produced an excellent video review of this buggy, which provides further insight into its quality and performance. Despite being slightly pricier, the S1 RM offers excellent value for money and is a solid option for budget-conscious racers.
The Dilemma of Availability and Battery Compatibility
Despite its merits, there is a reason I did not choose to order the S1 RM. The main issue is its stock availability. Unfortunately, it was not in stock at the end of the year, and this posed a potential problem for upcoming races.
Moreover, the S1 RM is designed to accept modern, expensive, shorty packs exclusively. This specific requirement makes it challenging to manage the budget for batteries, putting additional pressure on racers who are already conscious of their spending.
Ultimately, choosing between the Goova and the S1 RM requires careful consideration of the budget, availability, and specific requirements of the user. Both options have their pros and cons, and it’s essential to evaluate your needs and circumstances before making a decision.
Choosing the Right Motor and ESC
When building a budget RC race buggy like the Kyosho Dirt Master, it’s important to choose the right motor and ESC (Electronic Speed Controller). These components are essential for the performance of your buggy on the racetrack.
For the Dirt Master, I recommend using a reliable and affordable motor and ESC combo. There are many options available in the market, but I found that the Hobbywing 13.5T motor and ESC combo works great for this buggy. It offers a good balance between power and affordability.
Building the Chassis
The Kyosho Dirt Master comes with a rear motor plastic chassis, which is lightweight and durable. Building the chassis requires some basic tools and skills, but it’s not too difficult.
Start by laying out all the parts and organizing them according to the manual. Follow the step-by-step instructions provided by Kyosho to assemble the chassis correctly. Make sure to tighten all the screws properly and double-check your work to ensure everything is secure.
Installing the Electronics
Once the chassis is built, it’s time to install the electronics. As mentioned earlier, I chose the Hobbywing motor and ESC combo for this build. Begin by mounting the motor onto the chassis using the provided screws. Make sure it is properly aligned and secure.
Next, connect the ESC to the motor and the receiver. Follow the wiring diagram provided by the manufacturer to ensure the correct connections. Be cautious with the wiring to avoid any short circuits or loose connections.
Painting the Body
Now that the electronics are installed, it’s time to add some flair to your RC race buggy by painting the body. Choose a color scheme that you like and use RC-compatible paint for a professional finish.
Before painting, make sure to clean the body thoroughly and remove any stickers or decals. Apply multiple thin coats of paint, allowing each coat to dry before applying the next. Once the paint is dry, you can add additional details or decals to personalize your buggy.
Testing and Tweaking
After completing the build and painting process, it’s time to take your Kyosho Dirt Master for a test run. Find a suitable outdoor or indoor track and make sure you have enough space to drive the buggy at high speeds.
During the initial test run, pay attention to the performance of the motor and ESC. Make note of any issues or adjustments needed, such as gear ratio changes or throttle settings. Fine-tuning these settings will help optimize the performance of your RC race buggy on the track.
The Motor and ESC
The heart of any RC race buggy is its motor and electronic speed controller (ESC). For this budget build, we opted for a 15 turn Dynamite motor, which can be easily purchased for less than $20 at your local hobby shop or online. The ESC, weighing in at 1060 brushed ESC, is similarly priced at around $21. While the ESC may have basic settings, it gets the job done without breaking the bank.
Battery Power
To power our race buggy, we chose a LiPo (Lithium Polymer) battery. Our battery of choice is a GenZ 60c 4000 mAh sport pack, which bears a resemblance to the old NiMH batteries. This particular battery can be purchased for around $30. While I had to make a small modification to fit a Dean T-style connector, some versions of this battery come pre-installed with a T-style connector. Keep in mind that different hobby shops may offer similar options, so it’s worth exploring different sources to find the best deal.
The Servo
Choosing the right servo for an RC race buggy can be tricky, especially with a budget in mind. However, we managed to find a high-tech servo that ticks all the boxes without crossing the $50 mark. While it may not be the fastest servo I’ve ever used, it’s labeled as a high-speed servo and performs excellently on both outdoor and indoor dirt tracks.
The Receiver and Transponder
When it comes to the receiver and transponder, there’s no escaping the fact that they come at a cost. Unless you’re fortunate enough to stumble upon someone selling theirs second-hand or get exceptionally lucky, you’ll have to factor in the cost of these components. While it may be an additional expense, it’s a necessary one if you want to compete in organized races.
In conclusion, building a budget RC race buggy requires careful consideration of each component without sacrificing performance. By choosing affordable yet reliable options for the motor, ESC, battery, and servo, you can create a competitive race buggy without breaking the bank. Remember to explore different sources for the best deals and keep an eye out for used receivers and transponders to minimize costs. Happy racing!
Choosing the Right Receiver
If you’re on a tight budget, the Fly Sky brand offers receivers at a lower price compared to other brands. These receivers are affordable and reliable, making them a suitable choice for your RC race buggy project. Don’t worry about including the price of the receiver in your final budget.
Essential Components
Apart from the receiver, there are several other components that you need to consider. One of the key items is a reliable battery charger. It is crucial to invest in a good quality charger to ensure optimal performance and longevity of your battery.
Shock Oil and Differential Oil
To enhance the performance of your Kyosho Dirt Master, it is important to choose the right shock oil and differential oil. These oils play a significant role in ensuring smooth and consistent operation of your RC race buggy. Make sure to include them in your shopping list.
Upgrading Tires
Although the Kyosho Dirt Master comes with wheels and tires, it is recommended to upgrade them for better performance. While the stock tires may be decent, it is always a good idea to have a backup set. Consider opting for J Concepts double Ds for the rear and J Concepts Groovies for the front to optimize traction and handling.
Testing on the Track
After assembling your RC race buggy, take it out for a spin on a track. I had the opportunity to test the Kyosho Dirt Master at the revived Barn RC Raceway in Barnesville, Georgia. Although this 1/10 scale, four-wheel-drive brush buggy may seem small for this large track, it proved to be capable in terms of traction and steering. The motor felt slightly underpowered on the bigger track, but for a smaller track, the 20 motor should be sufficient.
Fine-Tuning the Setup
With the base setup provided in the manual, the Kyosho Dirt Master handled well. However, there are a few tweaks you can make for better performance. Consider adjusting the lower shock eyelets in the rear to provide a bit more length and adjust the droop. Additionally, raising the fluid in the shock from 500 CST to 550 CST will help the RC race buggy handle jumps more effectively without bottoming out. Adding some lead weights in the front will also help balance the buggy’s weight as it tends to be lightweight.
Indoor Track Considerations
If you plan on running your Kyosho Dirt Master on an indoor track, you might need to make some additional adjustments. Depending on the track conditions and requirements, it might be necessary to adjust the shocks further. Additionally, consider using higher-rated shocks as the stock shocks often come with five Pistons. Experiment with different configurations to find the optimal setup.
Kit Cost
When building a budget RC race buggy, it’s important to consider the cost of various components. The first expense to consider is the kit itself, which costs around $200. This kit includes all the necessary parts to assemble your race buggy.
Motor and ESC
Next, you’ll need to invest in a motor and ESC (Electronic Speed Controller), which are essential for powering your RC race buggy. Fortunately, you can find a suitable motor and ESC combo for as little as $40. This cost-effective option can provide adequate power and speed for your racing needs.
Battery
In order to run your RC race buggy, you’ll need a reliable and long-lasting battery. A good quality battery can cost around $31, ensuring you have enough power to enjoy extended racing sessions without frequent recharging.
Charger
To recharge your RC race buggy’s battery, you’ll need a compatible charger. A high-quality charger can cost around $60, providing fast and efficient charging, so you don’t have to wait too long between races.
Servo
For precise control and maneuverability, a good servo is crucial. Investing in a reliable servo for your RC race buggy can cost around $40. This will ensure smooth steering and response during your races.
Oils
To maintain the performance of your RC race buggy, it’s important to use the right oils for the shocks and differential gears. These oils typically cost around $22 but are necessary to keep your buggy running smoothly.
Lead Weights
To maintain proper balance and stability, adding lead weights to your RC race buggy can be helpful. These lead weights are affordable, costing around $6, and can be strategically placed to improve overall handling.
Total Cost
Adding up all the costs mentioned above, the total cost to build a budget RC race buggy (Kyosho Dirt Master) comes to approximately $395. If you manage your budget effectively, you may even have $5 left over for a treat like a double cheeseburger at McDonald’s.
Conclusion
Building a budget-friendly RC race buggy like the Kyosho Dirt Master can be a
Building a budget RC race buggy like the Kyosho Dirt Master can be a rewarding and enjoyable experience. By choosing the right motor and ESC, assembling the chassis correctly, installing the electronics properly, and adding a personal touch with a painted body, you can create a competitive racing machine without breaking the bank. Remember to always test and tweak your buggy to achieve the best performance on the track. Happy racing!
This RC race buggy offers a budget-friendly option for enthusiasts looking for an exciting experience on the tracks. With the right components, such as a reliable receiver, battery charger, shock oil, and differential oil, and proper upgrades like tires, you can enhance the performance of your Kyosho Dirt Master. Fine-tuning the setup and making adjustments based on the track conditions will further optimize its performance. Keep in mind that every track and driver preference is different, so don’t be afraid to experiment and customize your setup to suit your specific needs.
Building a budget RC race buggy can be an exciting and rewarding project. By carefully considering the costs of each component and choosing affordable yet reliable options, you can create a high-performance race buggy without breaking the bank. Enjoy the thrill of racing against rivals while staying within your budget. Thank you to my active patrons and stay tuned for more updates and races with the Kyosho Dirt Master.