{"product_id":"kst-sv915-12-hv-brushless-metal-gear-30kgf-cm-0-07sec-cyclic-servo","title":"KST SV915-12 High Voltage (12V) Standard Cyclic Servo","description":"\u003cstyle\u003e\n  \/* Target the Shopify RTE wrapper + your block so theme CSS can't override it *\/\n  .rte .rqx-wrap, .rqx-wrap { font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; color:#222; }\n\n  \/* Headings and body *\/\n  .rte .rqx-wrap h2 { margin:0 0 8px; font-size:1.375rem; line-height:1.25; }\n  .rte .rqx-wrap h3 { margin:12px 0 10px; font-size:1.15rem; }\n  .rte .rqx-wrap p,\n  .rte .rqx-wrap li { font-size:1.05rem !important; line-height:1.7 !important; text-align:justify !important; }\n\n  \/* Badges *\/\n  .rte .rqx-badges { display:flex; flex-wrap:wrap; gap:8px; margin:8px 0 14px; }\n  .rte .rqx-badge { background:#f5f5f7; border:1px solid #e6e6ea; border-radius:999px; padding:6px 10px; font-size:.95rem; }\n\n  \/* Grid layout *\/\n  .rte .rqx-grid { display:grid; grid-template-columns:1fr 1fr; gap:18px; }\n  .rte .rqx-card { background:#fff; border:1px solid #e6e6ea; border-radius:12px; padding:14px; }\n\n  \/* Spec table *\/\n  .rte .rqx-specs { width:100%; border-collapse:collapse; }\n  .rte .rqx-specs th,\n  .rte .rqx-specs td {\n    border-bottom:1px solid #eee; padding:10px 8px; text-align:left; vertical-align:top;\n    font-size: clamp(1.05rem, 1.6vw + 0.25rem, 1.35rem) !important;\n    line-height:1.65 !important; text-align:justify !important;\n  }\n  .rte .rqx-specs th { width:42%; color:#555; font-weight:700; }\n\n  \/* Mobile responsiveness *\/\n  @media (max-width: 820px){\n    .rte .rqx-grid { grid-template-columns:1fr; }\n    .rte .rqx-wrap h2 { font-size:1.45rem; }\n    .rte .rqx-wrap h3 { font-size:1.2rem; }\n    .rte .rqx-specs th,\n    .rte .rqx-specs td { font-size: clamp(1rem, 2.8vw + 0.5rem, 1.25rem) !important; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"rqx-wrap\"\u003e\n\u003ch2\u003eKST SV915-12 High Voltage Brushless Cyclic Servo\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eKST SV915-12 HV\u003c\/strong\u003e is a premium high-voltage brushless cyclic servo engineered for precision, speed, and reliability. Built for 550–700 class RC helicopters, it delivers the brute torque and smooth response required for advanced 3D maneuvers. Featuring hardened steel gears, dual ball bearings, and a CNC-machined aluminum case, the SV915-12 ensures consistent performance under the toughest flight loads—while its wide \u003cstrong\u003e8–13 V\u003c\/strong\u003e range supports direct HV LiPo operation without regulators.\u003c\/p\u003e\n\u003cdiv class=\"rqx-badges\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"rqx-grid\"\u003e\n\u003cdiv class=\"rqx-card\"\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; height: 285px;\" class=\"rqx-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"text-align: left; width: 28.815731%; height: 19px;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"width: 68.335004%; height: 19px;\"\u003eCyclic servo for 550–700 class RC helicopters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"text-align: left; width: 28.815731%; height: 19px;\"\u003eOperating Voltage\u003c\/th\u003e\n\u003ctd style=\"width: 68.335004%; height: 19px;\"\u003e8.0 V – 13.0 V (rated 12 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 57px;\"\u003e\n\u003cth style=\"text-align: left; width: 28.815731%; height: 57px;\"\u003eTorque\u003c\/th\u003e\n\u003ctd style=\"width: 68.335004%; height: 57px;\"\u003e24 kgf·cm @ 8.4 V\u003cbr\u003e28 kgf·cm @ 12 V\u003cbr\u003e30 kgf·cm @ 13 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 57px;\"\u003e\n\u003cth style=\"text-align: left; width: 28.815731%; height: 57px;\"\u003eSpeed (60°)\u003c\/th\u003e\n\u003ctd style=\"width: 68.335004%; height: 57px;\"\u003e0.10 s @ 8.4 V\u003cbr\u003e0.08 s @ 12 V\u003cbr\u003e0.07 s @ 13 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"text-align: left; width: 28.815731%; height: 19px;\"\u003eControl Signal\u003c\/th\u003e\n\u003ctd style=\"width: 68.335004%; height: 19px;\"\u003e760 µs pulse \/ 560 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"text-align: left; width: 28.815731%; height: 19px;\"\u003eMotor \/ Gears\u003c\/th\u003e\n\u003ctd style=\"width: 68.335004%; height: 19px;\"\u003eBrushless motor \/ Hardened steel gears\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"text-align: left; width: 28.815731%; height: 19px;\"\u003eBearings\u003c\/th\u003e\n\u003ctd style=\"width: 68.335004%; height: 19px;\"\u003eDual ball bearings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"text-align: left; width: 28.815731%; height: 19px;\"\u003eCase\u003c\/th\u003e\n\u003ctd style=\"width: 68.335004%; height: 19px;\"\u003eCNC aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"text-align: left; width: 28.815731%; height: 19px;\"\u003eDimensions\u003c\/th\u003e\n\u003ctd style=\"width: 68.335004%; height: 19px;\"\u003e40.5 × 20 × 38 mm (±0.2 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"text-align: left; width: 28.815731%; height: 19px;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 68.335004%; height: 19px;\"\u003e≈ 70 g (±10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003cth style=\"width: 28.815731%; height: 19px; text-align: left;\"\u003eOperating Temp.\u003c\/th\u003e\n\u003ctd style=\"width: 68.335004%; height: 19px;\"\u003e−10 °C to +65 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rqx-card\"\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-voltage compatible:\u003c\/strong\u003e Runs directly on 2S or 3S LiPo setups (8–13 V) without the need for a regulator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerful torque output:\u003c\/strong\u003e Delivers up to \u003cem\u003e30 kgf·cm\u003c\/em\u003e at 13 V for precise cyclic control under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick and accurate:\u003c\/strong\u003e \u003cem\u003e0.07 s\/60°\u003c\/em\u003e response provides fast pitch and roll reactions for extreme 3D maneuvers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrushless motor system:\u003c\/strong\u003e High efficiency and reduced wear for long-lasting reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal gear durability:\u003c\/strong\u003e Precision hardened steel gears ensure smooth, slop-free movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC aluminum case:\u003c\/strong\u003e A rigid, high-strength enclosure that aids in cooling and vibration resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual ball bearings:\u003c\/strong\u003e Improve centering accuracy and smoothness for consistent control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable design:\u003c\/strong\u003e Supports parameter customization such as endpoints and direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range:\u003c\/strong\u003e Operates reliably from −10 °C to +65 °C in any environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"rqx-media\" style=\"margin-top: 20px;\"\u003e\u003cbr\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"rqx-wrap\"\u003e\n  \u003cfigure class=\"rqx-media\"\u003e\n    \u003cimg src=\"https:\/\/ueeshop.ly200-cdn.com\/u_file\/UPAX\/UPAX406\/2312\/04\/photo\/SV905-12EN1024X575PX01-c7e0.jpg?x-oss-process=image\/format,webp\" alt=\"KST SV905-12 HV Brushless Metal Gear Tail Servo\" loading=\"lazy\" decoding=\"async\" style=\"max-width:100%;height:auto;display:block;margin:0 auto;\"\u003e\n  \u003c\/figure\u003e\n\u003c\/div\u003e\n\n\n\n","brand":"KST","offers":[{"title":"Default Title","offer_id":50434577858857,"sku":"SV915-12","price":126.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/0324\/5609\/files\/SV915-1.webp?v=1748664325","url":"https:\/\/rotorquest.com\/zh\/products\/kst-sv915-12-hv-brushless-metal-gear-30kgf-cm-0-07sec-cyclic-servo","provider":"Rotorquest Inc.","version":"1.0","type":"link"}