TT02 Delrin Spur 42 Pitch 69T Upgrade DTT2069T by GPM  [DTT2069T]

Tamiya TT02 Delrin Spur Gear 42 Pitch 69T - 1pc - GPM DTT2069T
Price:
USD$11.90
Brand:
GPM
Model:
DTT2069T
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Precision Delrin spur for TT02 applications

The DTT2069T Delrin 42 pitch 69T spur is manufactured for use with TAMIYA TT02 radio-controlled chassis and is supplied as 1 pcs for drivetrain updates or replacements. This part is intended as an aftermarket upgrade to improve meshing characteristics in scale drivetrains.

Compatibility: specified for TT02 layouts that require a 42 pitch 69T spur; verify tooth count and pitch against your existing components before installation to ensure precise engagement.

Installation procedure: install the spur onto the gearbox output shaft or mounting plate following the TT02 assembly pattern, set axial alignment and backlash with the motor pinion installed, and rotate the system by hand to verify smooth engagement. Maintain correct bearing support and torque fasteners to chassis specifications to avoid misalignment.

Performance notes: as a Delrin component, the DTT2069T provides reduced friction and quieter operation compared with stiffer plastics, contributing to consistent power transfer and easier tuning when adjusting pinion size or motor timing on TT02 drivetrains.

How do I confirm correct mesh for a 42 pitch spur?

Match the spur tooth count and 42 pitch to your pinion, set initial backlash by adjusting pinion location or gearbox spacing, then rotate by hand to observe even tooth contact across the mesh.

Are there installation tolerances to watch for?

Ensure axial runout is minimised by supporting bearings correctly and avoiding excessive preload on the spur. Incorrect shaft seating or loose fasteners are common sources of premature wear.

What inspection schedule do you recommend?

Inspect the spur after initial break-in runs and then periodically after heavy or dirty use. Look for tooth deformation, uneven wear, and debris accumulation that could affect mesh quality.