Omar Khalid
Plastic gears are increasingly taking the place of metal gears in many products, including RC cars. Plastic gears are made from polymers such as Polyamide (Nylon) and Acetal. Nylon is used for machined gears, while Acetal is used for molded gears. Acetal gears are more stable and suitable for moist environments. RC car gears made from plastic are available from several manufacturers, including AMain Hobbies and Summit Racing.
| Characteristics | Values |
|---|---|
| Plastic RC gear type | Teflon, Nylon, Kyosho's glass-filled nylon, HPI's gummy plastic |
| Plastic RC gear properties | Self-lubricating, durable, flexible, inexpensive |
| Plastic RC gear maintenance | Plastic gears do not need grease, but can be refreshed with WD40 |
| Metal RC gear maintenance | Metal gears should be greased if they are enclosed; use white lithium grease from Lucas Oil or marine grease |
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What You'll Learn
RC car gears made from plastic don't need grease
While RC car gears are made from a variety of plastics, including glass-filled nylon, ABS, and blends that are both durable and flexible, plastic gears do not require grease. This is because plastic is considered a "self-lubricating" material. As such, plastic gears will wear over time and need to be replaced.
Some plastic gear owners do opt to use grease, such as marine grease, to make their RC cars run more quietly. However, grease can be a mess to clean and can trap dirt. It is also important to note that not all greases are suitable for plastic gears, as some are designed for metal-to-metal gears.
For those who choose to grease their plastic gears, it is recommended to use a silicone-based product, such as Tamiya Ball Diff Grease or Traxxas Silicone Grease. Other options include RC-specific silicone diff lube, shock oil, or a couple of drops of automotive wheel grease. It is important to refer to the installation manual for guidance on the type and amount of grease to use.
In summary, while RC car plastic gears do not require grease due to the self-lubricating properties of plastic, some owners may choose to grease their gears for various reasons. It is important to select a suitable grease and apply it correctly to avoid potential issues such as dirt buildup.
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Some RC car gears are made from Teflon and Nylon
RC cars are a fun hobby, and many enthusiasts are always looking for ways to improve their vehicles' performance and durability. One of the critical components of an RC car is its gears, and there are a variety of materials used for these, including plastic, steel, and aluminium.
The use of Teflon and Nylon gears can also simplify maintenance routines. When RC car plastics start to look dried out, many owners use products like WD40 to refresh them. This is because WD40 penetrates the plastic and softens it, but with Teflon and Nylon gears, this additional step may not be necessary due to their self-lubricating properties.
Additionally, some RC car enthusiasts prefer plastic gears over metal alternatives, such as steel. Plastic gears, including those made from Teflon and Nylon, are often cheaper to replace if they break. This is especially important for RC car owners who frequently drive their vehicles in challenging conditions, such as off-road tracks or bashing activities.
While some RC car manufacturers, like Traxxas, are known for their durable plastics, others like Kyosho and Associated have also impressed enthusiasts with their use of Nylon in suspension arms and other parts. Ultimately, the choice between plastic and metal gears depends on various factors, including driving conditions, performance requirements, and personal preference.
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Plastic spur gears are preferred over steel ones
Secondly, plastic gears offer greater customizability. Custom 3D printed gears can be manufactured using various 3D printing methods and materials, allowing for high levels of customization to meet specific requirements. Additionally, machined gears made from plastic can also be customized to meet tight tolerances and specific properties, such as FDA-compliance or high-temperature resistance.
Plastic gears also excel in terms of maintenance. They are corrosion-resistant and do not require additional treatments or concerns about moisture levels. This is especially beneficial in applications where harsh chemical washdowns are necessary, as plastic gears can withstand these conditions without corrosion. Furthermore, plastic gears with built-in solid lubricants eliminate the need for relubrication, reducing maintenance costs and machine downtime.
In the context of RC vehicles, plastic spur gears are preferred due to their low noise and vibration levels. Plastic gears are quieter than their metal counterparts, which is an important consideration for manufacturers and designers aiming for low noise and vibration. Additionally, plastic gears are lightweight, which can improve the overall performance of the vehicle.
Lastly, the preference for plastic gears in RC vehicles is also attributed to their replaceability. If something binds or a motor overrevs, a plastic gear can break and be replaced cheaply. This is in contrast to steel gears, where binding or overrevving can lead to unknown damage to various components, making it more challenging and costly to repair. Therefore, when something is likely to break, it is preferable to have a single plastic gear that can be easily and inexpensively replaced.
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RC car gears made from plastic are self-lubricating
RC cars are a fun hobby, and many enthusiasts enjoy the process of maintaining and upgrading their vehicles. One of the key components of an RC car's performance is its gears, and there is much discussion about the best materials for these parts. While some opt for steel or aluminium gears, others prefer plastic gears for their RC cars.
Plastic RC car gears are often made from materials such as nylon or Teflon. These plastics have self-lubricating properties due to the oils present in the material. This means that RC car gears made from these plastics do not require additional lubrication and can operate smoothly without the need for greasing. The self-lubricating nature of these plastics is a significant advantage, as it reduces maintenance requirements and helps to ensure consistent performance.
However, it is important to note that plastic gears are not without their drawbacks. While they may be self-lubricating, plastic gears are not as durable as metal gears and will wear out over time. They may need to be replaced more frequently, especially if the RC car is used in demanding conditions or competitive racing. Nevertheless, some RC car owners prefer plastic gears precisely because they are cheaper and easier to replace than metal alternatives.
The choice between plastic and metal gears depends on various factors, including the type of vehicle, driving conditions, and personal preference. Some RC car owners opt for a combination of both, using metal gears for certain applications and plastic gears for others. Ultimately, the decision comes down to the specific needs and preferences of the RC car enthusiast.
While plastic RC car gears may not be suitable for every situation, they offer a cost-effective and low-maintenance option for many hobbyists. With proper care and maintenance, these self-lubricating plastic gears can provide reliable performance and contribute to an enjoyable RC car experience.
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RC car gears made from plastic need to be replaced occasionally
There are a variety of plastics used in RC car gears, each with its own advantages and disadvantages. For example, Teflon and Nylon are known for their self-lubricating properties, while other plastics may require the use of WD40 to refresh them and soften the material.
The type of plastic used in RC car gears can also vary by manufacturer. Some brands, like Traxxas, are known for their durable plastics, while others like Tamiya, have been criticized for their use of ABS plastic, which is considered less durable.
When it comes to choosing between plastic and metal gears for RC cars, there are a few things to consider. Plastic gears, such as the spur gear, are typically more affordable and easier to replace than their metal counterparts. Metal gears, on the other hand, are more durable and suitable for high-performance applications.
Ultimately, the choice between plastic and metal gears depends on the specific use case and personal preference. Plastic gears are generally suitable for most situations, but metal gears may be preferred for racing or more demanding applications. Regular maintenance and replacement of RC car gears, regardless of the material, are essential to ensure optimal performance and prolong the lifespan of the vehicle.
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Frequently asked questions
RC gears are made of Polyamide (Nylon) and Acetal. Nylon is used for machined gears, whereas Acetal is used for molded gears.
Plastic RC gears are lightweight and cheaper than their metal counterparts. Plastic is also a self-lubricating material, which means that it does not require additional lubrication.
Plastic is susceptible to change when subjected to heat or moisture, which can result in dimensional shifts and inconsistent fit between gear meshing.
