The Futaba FUBS0169 clamp servo horn is a metal replacement weighing 10 grams, intended to take the place of stock plastic horns where increased rigidity and durability are desired.
The clamp mechanism secures around the servo output to minimise backlash compared with some push-fit horns. This makes the part suitable for configurations that demand precise steering feedback and consistent linkage geometry, including track-focused on-road cars and detailed scale builds with metal linkages.
Fitting advice: position the servo at neutral, align the horn spline and ease the clamp over the output. Tighten the screws a little at a time and check the horn angle to prevent inadvertent misalignment. Verify there is no binding through the full travel before locking in link adjustments.
Handling impact: a heavy-duty aluminium horn maintains more stable link geometry under load, which tends to sharpen steering inputs and reduce slop caused by aging plastic horns. For best tuning results, use matched turnbuckles or ball links and confirm the servo is centred during setup.
Choose this clamp-style aluminium horn when a durable metal replacement is needed to keep steering geometry tight in performance-focused RC models.
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