The KST DS215MG V8.0 Digital Metal Gear Micro Servo is a fast HV micro servo for RC gliders, helicopter cyclic/tail use, and compact aircraft control installations. KST positions it as a metal-cased high-voltage servo designed for direct 2S LiPo or 2S LiFe-style use within the listed voltage range. Verified KST data lists a DC 6.0V-8.4V voltage range, up to 4.0Kgf.cm torque at 8.4V, and 0.050sec/60deg speed at 8.4V. The servo uses a coreless DC motor, hardened steel gears, aluminum alloy case, 2BB support, and potentiometer feedback. At 23 x 12 x 27.5mm and about 20g, the DS215MG V8.0 is a compact choice when speed matters and the system voltage is properly matched to HV operation. Product Images Features 0.050sec high-speed response - Listed speed reaches 0.050sec/60deg at 8.4V. 4.0Kgf.cm peak torque - Torque reaches 4.0Kgf.cm at 8.4V. HV operating range - Supports DC 6.0V-8.4V; do not design for a lower supply than the listed range. Coreless DC motor - Provides fast and smooth movement for aircraft controls. Hardened steel gears - Adds durability for glider and helicopter use. Aluminum alloy case - Helps with heat dissipation and structural stiffness. 2BB support - Dual ball bearings improve output stability under load. Programmable support - KST lists programmable soft start. 140deg listed default travel - Default travel angle is listed as +/-70deg. 25T 5mm spline - Uses the listed output shaft spline. Specifications Parameter Value Model KST DS215MG V8.0 Shopify SKU KST-DS215MG-V80 Rated Voltage DC 7.4V Voltage Range DC 6.0V-8.4V Torque 3.1Kgf.cm @ 6.0V; 3.7Kgf.cm @ 7.4V; 4.0Kgf.cm @ 8.4V Speed 0.060sec/60deg @ 6.0V; 0.055sec/60deg @ 7.4V; 0.050sec/60deg @ 8.4V Working Frequency 1520us / 333Hz Default Travel Angle +/-70deg = 140deg total Command Interface PWM command; pulse length 800us-2200us Output Shaft Spline 25T, 5mm Case Material Aluminum alloy Motor Type Coreless DC motor Gear Set Material Hardened steel Position Sensor Potentiometer Ball Bearing 2BB Case Dimensions 23 x 12 x 27.5mm +/-0.2mm Weight 20g +/-10% Temperature Range -10C to +65C Soft Start Programmable Programmable Yes Reference Documents KST DS215MG V8.0 Technical Specification Application RC glider elevator and rudder - Suits fast control positions in compact glider builds. Helicopter cyclic and tail control - Commonly used where a fast HV micro servo is required. RC EDF jets - Fits compact aircraft control systems after checking load and installation dimensions. HV 2S aircraft systems - Works within DC 6.0V-8.4V when the receiver/BEC setup supports it. Fast linkage mechanisms - Useful where response speed is a key design requirement. Metal-case servo upgrades - Can replace compatible servos after confirming size, spline, and voltage. Packing List Description Quantity KST DS215MG V8.0 servo 1 Servo horn screw 1 Mounting screw 4 Plastic servo horn 5 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; } How is DS215MG V8.0 different from DS113MG V6.0? DS215MG V8.0 is faster and uses a higher voltage range starting at DC 6.0V, with up to 4.0Kgf.cm at 8.4V. DS113MG V6.0 is a smaller lower-output micro servo. Does OpenELAB list multiple Shopify variants for this product? No. The current Shopify product is a single variant with SKU KST-DS215MG-V80. Can it be used on a 5V supply? The listed voltage range is DC 6.0V-8.4V, so do not design the system around a 5V supply unless KST or your integrator confirms a safe configuration. What is the maximum listed torque? The technical data lists up to 4.0Kgf.cm at 8.4V. What is the fastest listed speed? The fastest listed speed is 0.050sec/60deg at 8.4V. What is included in the package? The package includes one DS215MG V8.0 servo, one servo horn screw, four mounting screws, and five plastic servo horns. What spline does it use? The technical specification lists a 25T, 5mm output shaft spline. What should I check before installation? Confirm the 23 x 12 x 27.5mm body, 25T 5mm spline, DC 6.0V-8.4V range, travel, and servo arm clearance.
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