The KST X10 V8.0 Digital Metal Gear Servo is an HV wing servo for sailplanes and glider control surfaces. Its verified specification lists up to 10.8Kgf.cm torque at 8.4V and 0.10sec/60° speed at 8.4V. The X10 V8.0 combines a coreless DC motor, hardened steel gears, aluminum alloy case, 2BB bearing support, and 1520μs / 333Hz working frequency for compact high-load RC installations. With a 30 x 10 x 35.5mm case and approximately 28g weight, it is suited for F3J, F3B, and F3F wing or flap installations where torque, speed, and slim servo fit are all important. Product Images Features 10.8Kgf.cm high torque - Delivers up to 10.8Kgf.cm at 8.4V. 0.10sec fast response - Reaches 0.10sec/60° at 8.4V. HV voltage range - Supports DC 4.8V-8.4V operation. Coreless DC motor - Provides smooth control response for glider surfaces. Hardened steel gears - Helps handle repeated load in wing and flap control. Aluminum alloy case - Adds rigidity and heat dissipation in compact builds. Dual ball bearings - Uses 2BB construction for stable output-shaft support. Programmable support - Technical data lists soft start and programmability. Slim wing-servo format - Designed around a 30 x 10 x 35.5mm case. F3J/F3B/F3F use - Suitable for demanding sailplane control-surface setups. Specifications Parameter Value Model KST X10 V8.0 Rated Voltage DC 7.4V Voltage Range DC 4.8V-8.4V Torque 6.2Kgf.cm @ 4.8V; 7.5Kgf.cm @ 6.0V; 9.5Kgf.cm @ 7.4V; 10.8Kgf.cm @ 8.4V Speed 0.16sec/60° @ 4.8V; 0.14sec/60° @ 6.0V; 0.12sec/60° @ 7.4V; 0.10sec/60° @ 8.4V Working Frequency 1520μs / 333Hz Travel Angle ±50° / 100° total Temperature Range -10°C to +65°C Soft Start Programmable Programmable Yes Case Material Aluminum alloy Lead Length 15cm Ball Bearings 2BB Gear Set Material Hardened steel Motor Type Coreless DC motor Position Sensor Potentiometer Case Dimensions 30 x 10 x 35.5mm ±0.2mm Weight 28g ±10% Shopify SKU KST-X10-V80 Reference Documents KST X10 V8.0 Technical Specification Application F3J sailplanes - Suitable for wing and flap control where torque is important. F3B gliders - Useful for high-load glider control-surface setups. F3F gliders - Fits applications requiring fast, repeatable servo response. Wing servo installations - Designed for slim servo bays in performance models. HV RC systems - Works with compatible receiver/BEC setups in the verified voltage range. Servo replacement projects - Check dimensions, spline, horn, travel, and signal settings before replacing an existing servo. Packing List Description Quantity KST X10 V8.0 servo 1 Plastic servo horn 5 Servo horn screw 1 Mounting screw 3 FAQ .faq-accordion details { border-bottom: 1px solid #e6eef8; padding: 14px 0; } .faq-accordion summary { list-style: none; cursor: pointer; font-size: 16px; font-weight: 700; color: #1f2933; position: relative; padding-right: 32px; } .faq-accordion summary::-webkit-details-marker { display: none; } .faq-accordion summary::after { content: "\203A"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%) rotate(90deg); color: #007fff; font-size: 28px; line-height: 1; transition: transform 0.2s ease; } .faq-accordion details[open] summary::after { transform: translateY(-50%) rotate(270deg); } .faq-accordion p { margin: 12px 0 0; color: #4b5563; line-height: 1.65; } Does this product have multiple Shopify variants?No. Shopify currently lists one variant, SKU KST-X10-V80. How is X10 V8.0 different from X10 Mini V8.0?X10 V8.0 is the larger and stronger model, listed at 10.8Kgf.cm at 8.4V. X10 Mini V8.0 is smaller and lighter with lower listed torque. What is the maximum listed torque?The technical specification lists up to 10.8Kgf.cm at 8.4V. What is the fastest listed speed?The fastest listed speed is 0.10sec/60° at 8.4V. Is it programmable?Yes. The technical data lists soft start as programmable and programmable support as yes. What comes in the package?The package includes 1 x X10 V8.0 servo, 5 x plastic servo horn, 1 x servo horn screw, and 3 x mounting screw.
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