Arrma 22T Mod1 Safe-D5 Pinion Gear - ARA310969
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Product Information
Full details
This Arrma 22T Mod1 Safe-D Pinion Gear (ARA310969) is for RC car enthusiasts looking for a durable replacement or upgrade part for their 6S and 8S Arrma vehicles. Its primary benefit is enhanced strength and longevity due to its steel construction, ensuring reliable performance under demanding conditions. A potential caveat is that it's specifically designed for Mod1 gearing and higher voltage setups, meaning compatibility must be confirmed for other applications. Key features include its robust steel material, 22-tooth count, Mod1 pitch, and Safe-D design for secure mounting.
All features
| Model Part Number | ARA310969 |
|---|---|
| Brand | Arrma |
Extended Product Information
FAQs
What does '22T' mean?
'22T' refers to the number of teeth on the pinion gear, which is 22 teeth in this case. This number affects the gear ratio and thus the balance between acceleration and top speed.
What is Mod1 pitch?
Mod1 pitch is a standard for gear teeth spacing used in RC vehicles, typically found on larger and more powerful models. It ensures proper meshing between the pinion and spur gears.
Is this pinion gear compatible with my non-Arrma RC car?
This pinion gear is specifically designed for Arrma 6S and 8S vehicles using Mod1 gearing. Compatibility with other brands or models depends on whether they also use Mod1 pitch and have a compatible motor shaft size.
How do I know if my spur gear is compatible?
Your spur gear must also have a Mod1 pitch. Check your RC car's specifications or the spur gear itself for markings indicating the pitch.
What is the benefit of the Safe-D design?
The Safe-D design ensures that the pinion gear is positively locked to the motor shaft, preventing it from spinning freely or coming loose, which can happen with standard round shafts and set screws under high stress.
Can I use this pinion gear for speed runs?
Yes, its durable steel construction and secure mounting make it suitable for high-speed applications, provided it is correctly installed and meshed with a compatible spur gear.
Do I need to replace my spur gear as well?
It is recommended to replace worn pinion gears along with any worn spur gears to ensure optimal mesh and performance. If your spur gear is in good condition and uses the Mod1 pitch, it may be compatible.
Troubleshooting
Pinion gear slips on motor shaft
Ensure the set screw is tightened securely against the flat spot on the motor shaft. Verify the pinion gear is fully seated on the shaft.
Grinding noise from drivetrain
Check the gear mesh between the pinion and spur gear. Ensure they are meshed correctly with no excessive play or binding. Clean any debris trapped between the gears.
Stripped pinion gear teeth
The gear may have been subjected to excessive load or impact. Inspect the spur gear for damage as well. Replace the pinion gear and consider if the current gearing or driving conditions are too extreme for the drivetrain.
Pinion gear does not mesh properly with spur gear
Confirm that both the pinion and spur gear share the same Mod1 pitch. Verify that the motor position is correctly set to allow for proper gear meshing.
Pros and Cons
Pros
- Exceptional durability due to steel construction.
- Designed for high-power 6S and 8S RC cars.
- Secure Safe-D mounting system prevents slippage.
- Improves reliability and lifespan of the drivetrain.
Cons
- Specific Mod1 pitch may not be compatible with all RC cars.
- Steel construction can be heavier than alternative materials.
- Requires appropriate Mod1 spur gears for proper meshing.
Setup, Compatibility & Care
Compatibility:
This 22T Mod1 Safe-D Pinion Gear is specifically designed for Arrma 6S and 8S vehicles utilizing the Mod1 gear pitch. Always verify that your vehicle's spur gear also uses the Mod1 pitch to ensure proper meshing. Refer to your vehicle's manual or Arrma's official documentation for specific compatibility details.
Setup:
- Ensure your RC car's motor is securely mounted.
- Remove the old pinion gear from the motor shaft (if applicable).
- Slide the new Arrma 22T Mod1 Safe-D Pinion Gear onto the motor shaft, ensuring it aligns with the Safe-D flat spot on the shaft for proper engagement.
- Secure the pinion gear using the appropriate set screw (typically included with the motor or pinion set). Tighten firmly but avoid overtightening.
- Adjust the mesh between the pinion gear and the spur gear. The gears should mesh snugly with minimal play. A common method is to slide a piece of paper between the teeth; when the paper can be pulled out with slight resistance, the mesh is usually correct.
Care:
- Cleaning: After running in dusty or wet conditions, clean the pinion gear and surrounding drivetrain components with a soft brush or compressed air. Avoid using harsh solvents that could damage other parts.
- Inspection: Regularly inspect the pinion gear teeth for wear or damage. If any teeth are bent, chipped, or excessively worn, replace the pinion gear to prevent damage to the spur gear and transmission.
- Lubrication: While pinion gears themselves do not require lubrication, ensure the motor shaft and any associated bearings are clean and functioning smoothly.