PT Model Composite Control Horn, Type 3

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PT Model Type 3 Composite Control Horn – 1.5" (38mm) Fiberglass (5 Pack) The PT Model Type 3 Composite Control Horn is a lightweight fiberglass control horn designed for precise li nkage geometry and clean installations. Unlike standard flat horns, the Type 3 stepped design allows for improved pushrod alignment and better mechanical advantage on select control surface setups. Best For: Ailerons, elevators, and rudders where linkage alignment, offset geometry, or tight installs require a stepped horn design. Key Features Stepped Type 3 design for improved linkage alignment Fiberglass composite construction – lightweight and rigid Low-profile installation for clean builds Ideal for sport, pattern, and mid-size RC aircraft 5 control horns per pack Dimensions Height: 1.5" (38mm) | Base Width: 7/8" (22.2mm) Specifications Brand PT Model Type Type 3 (Stepped Composite Horn) Height 1.5" (38mm) Base Width 7/8" (22.2mm) Material Fiberglass Composite (FRP) Quantity 5 Control Horns Why Choose Type 3? Offsets linkage connection point for better geometry in tight spaces Helps reduce binding in non-linear linkage setups Improves pushrod alignment when servo and surface are not perfectly in line Great for scale builds and internal linkage configurations Installation Diagram Linkage Flow Servo Arm → Pushrod → Type 3 Horn → Control Surface The stepped horn design allows better alignment between pushrod and control surface, reducing side-load and improving precision. Installation Guide Mark location: Align horn pivot point with hinge line Cut slot: Create a clean slot for the composite base Test fit: Ensure horn is square and aligned Glue: Use epoxy for a secure bond Attach linkage: Connect pushrod or ball link Check movement: Ensure smooth, bind-free operation Setup Tips Use Type 3 horns when straight-line linkage is not possible Align linkage to avoid side pressure on the horn Reinforce high-load surfaces if needed Ideal for 20cc–60cc aircraft and similar setups Modeler’s Tip: If your pushrod is not perfectly in line with the control surface, a stepped horn like this can dramatically improve linkage geometry and reduce slop compared to flat horns. Package Includes 5 × PT Model Type 3 Composite Control Horns Required to Complete Epoxy adhesive Pushrods / clevis / ball links Basic hobby tools Control Horn Type Guide (Type 1 vs Type 2 vs Type 3) Choosing the correct control horn style helps improve linkage geometry, reduce binding, and ensure smooth, precise control surface movement. Type Shape Best Use When to Choose Type 1 Flat / Straight Basic linkage setups Use when your servo and control surface are already well aligned. Best for simple, straight pushrod installations. Type 2 Curved / Swept Smooth linkage geometry Use when your pushrod is slightly off-angle. The curved shape helps reduce binding and allows smoother control movement. Type 3 Stepped / Offset Offset linkage setups Use when you need to shift the linkage position. Ideal for tight installs, scale builds, or when the servo and surface are not in line. Quick Selection Tip: • Straight setup → Type 1 • Slight angle → Type 2 • Offset / tight geometry → Type 3 Show more