This is an RC-scale counter gear case intended as a direct replacement for belt-driven GPH 346 GT assemblies, designed to house the counter gear and support belt routing within the drivetrain. The component focuses on restoring correct alignment and offering a stable mounting point for the counter gear to minimise lateral play that can affect belt tracking and efficiency.
The part's role in tuning and maintenance is straightforward: when wear appears in the drivetrain or after impact, replacing the gear case helps re-establish proper belt tension and mesh without altering other drivetrain geometry. During service, inspect associated bearings and the belt for wear, re-seat the case, and verify smooth rotation through the transmission before flight tests.
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