This is a 93-tooth spur gear designed for 64-pitch RC gear systems, provided as an RC-scale replacement part. It serves as the main driven gear in common gearbox and drivetrain arrangements and is intended for general maintenance and tuning tasks.
Compatibility is based on the 64-pitch designation, so fitting requires a matching 64-pitch pinion gear and compatible gearbox spacing. The piece should be treated as a direct replacement in gear trains that accept 64-pitch spur gears and 93-tooth counts.
Installation guidance: ensure correct gear mesh by checking radial and axial alignment, verify the spur sits squarely on the hub, and rotate the drivetrain slowly to confirm smooth engagement and absence of binding. After initial runs inspect the tooth profiles for uneven wear and verify that set screws or retaining features are secure.
Tuning role: a 93-tooth spur influences overall gear ratio and can be used to fine-tune acceleration versus top speed within the constraints of a 64-pitch system; choose pinion sizes accordingly to achieve the intended drivetrain behavior.
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