{"product_id":"mark4-6-inch-260mm-carbon-fiber-racing-frame-kit","title":"Mark4 6 Inch 260mm Carbon Fiber Racing Frame Kit","description":"\u003cmeta name=\"description\" content=\"Buy Mark4 6 Inch 260mm Carbon Fiber Racing Frame Kit online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eMark4 6 Inch 260mm Carbon Fiber Racing Frame Kit\u003c\/h1\u003e\n\n\u003cp\u003eThe Mark4 6 Inch 260mm Carbon Fiber Racing Frame Kit is a professional-grade FPV drone frame designed for high-performance racing and acrobatic flight applications. This frame is engineered for competitive FPV pilots and drone racing enthusiasts who demand lightweight construction, superior rigidity, and crash resilience in extreme flight conditions. The 260mm wheelbase configuration delivers optimal balance between agility and stability, solving the critical challenge of achieving minimal weight without compromising structural integrity during high-G maneuvers.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Mark4 frame utilizes premium 3K carbon fiber layup technology with precisely engineered arm geometry to minimize vibration transmission and maximize power efficiency. The 6-inch motor-to-motor distance (260mm wheelbase) is optimized for racing drones requiring rapid acceleration, tight cornering, and sustained high-speed flight. Carbon fiber composite construction provides exceptional strength-to-weight ratio, typically achieving frame weights under 120 grams while maintaining structural stiffness necessary for 6S and 8S LiPo battery configurations. The frame geometry incorporates low-profile design principles that reduce aerodynamic drag and improve center-of-gravity positioning for predictable flight characteristics.\u003c\/p\u003e\n\n\u003cp\u003eThis racing frame features integrated mounting points for 22mm and 25mm motor stacks, accommodating both standard and compact brushless motor configurations. The Mark4 design includes reinforced arm roots with carbon fiber bracing, strategically placed to absorb crash impact energy and prevent catastrophic arm failure. The frame supports modern 20A to 50A ESC mounting with dedicated vibration isolation pads, reducing electrical noise and improving sensor accuracy. Flight controller mounting utilizes soft-mount isolation systems that decouple gyroscope noise from frame vibrations, critical for maintaining clean flight data in racing applications where microsecond-level response times determine competitive advantage.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFPV Racing Drone Frame Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eMark4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheelbase\u003c\/td\u003e\n\u003ctd\u003e260mm (6 Inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e3K Carbon Fiber Composite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Weight\u003c\/td\u003e\n\u003ctd\u003eApproximately 110-120 grams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Size Compatibility\u003c\/td\u003e\n\u003ctd\u003e2205 to 2306 brushless motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Support\u003c\/td\u003e\n\u003ctd\u003e6S and 8S LiPo configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESC Mounting\u003c\/td\u003e\n\u003ctd\u003e20A to 50A electronic speed controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArm Diameter\u003c\/td\u003e\n\u003ctd\u003e8mm carbon fiber tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3K Carbon Fiber Construction: Premium weave pattern delivers 40 percent higher stiffness-to-weight ratio compared to standard 2K carbon, reducing frame flex during aggressive racing maneuvers and improving control responsiveness\u003c\/li\u003e\n\u003cli\u003eIntegrated Arm Bracing: Reinforced carbon fiber struts between arm roots absorb crash impact energy and prevent arm separation, extending frame lifespan through multiple crash cycles\u003c\/li\u003e\n\u003cli\u003eVibration Isolation System: Soft-mount gyroscope and ESC isolation pads decouple frame vibrations from flight controller sensors, reducing gyro noise by up to 35 percent for cleaner PID tuning\u003c\/li\u003e\n\u003cli\u003eQuick-Release Design: Modular arm attachment system enables tool-free motor and arm replacement, reducing maintenance time between races from 20 minutes to under 5 minutes\u003c\/li\u003e\n\u003cli\u003eOptimized Aerodynamics: Low-profile frame geometry with recessed battery tray reduces drag coefficient by 12 percent compared to traditional designs, improving top speed and efficiency\u003c\/li\u003e\n\u003cli\u003eDual Motor Mount Options: Supports both 22mm and 25mm motor stack configurations, providing flexibility for different power-to-weight ratio requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompetitive FPV Racing: Professional and amateur racing pilots use the Mark4 frame in sanctioned drone racing leagues where frame weight reduction directly impacts lap times and acceleration performance\u003c\/li\u003e\n\u003cli\u003eFreestyle and Acrobatic Flight: Content creators performing high-speed proximity flying and complex aerial maneuvers rely on the frame's crash resilience and predictable handling characteristics\u003c\/li\u003e\n\u003cli\u003eTraining and Development: Flight schools and drone academies utilize this frame for teaching advanced piloting techniques due to its responsive control and forgiving crash durability\u003c\/li\u003e\n\u003cli\u003eDrone Racing Prototyping: Engineers and drone manufacturers use the Mark4 as a baseline platform for testing new motor configurations, battery systems, and flight controller firmware updates\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eBegin assembly by carefully inspecting all carbon fiber components for manufacturing defects or micro-cracks. Install the flight controller onto the isolated mounting plate using the provided soft-mount rubber grommets, ensuring the gyroscope sensor is perfectly level for accurate orientation detection. Mount the four brushless motors onto the arm motor mounts using M3 socket head cap screws, verifying motor rotation direction matches your ESC programming configuration. Install electronic speed controllers on each arm using the vibration isolation pads, then solder motor and battery connectors following proper polarity to prevent catastrophic electrical failure.\u003c\/p\u003e\n\n\u003cp\u003eSecure the battery tray to the frame using the quick-release mechanism, ensuring the LiPo battery center of gravity aligns with the calculated frame balance point for optimal flight characteristics. Calibrate your flight controller accelerometer and compass sensors after assembly, then perform a bench test of all motor directions and throttle response before first flight. Verify all arm bolts are torqued to specification (approximately 1.5 Newton-meters for M3 fasteners) to prevent arm separation during high-G flight maneuvers. Install your FPV camera and video transmitter on the front mounting bracket, ensuring antenna placement provides optimal signal radiation pattern during racing.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum takeoff weight for the Mark4 260mm frame?\u003c\/summary\u003e\n\u003cp\u003eThe Mark4 frame supports total system weight of 650 to 850 grams depending on motor selection and battery configuration. With 2206 motors and a 4S 1300mAh battery, typical all-up weight reaches 720 grams, providing optimal power-to-weight ratio of approximately 4:1 for racing applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use 8S LiPo batteries with this frame?\u003c\/summary\u003e\n\u003cp\u003eYes, the Mark4 frame is rated for both 6S and 8S LiPo battery configurations. However, 8S operation requires ESCs rated for 8S voltage (29.6V nominal), and you must verify your motor KV rating is appropriate for 8S voltage to prevent overheating. Most racing pilots use 6S for better control authority and reduced arm stress.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow durable is the carbon fiber construction in crash scenarios?\u003c\/summary\u003e\n\u003cp\u003eThe 3K carbon fiber arms typically survive 15 to 25 crash cycles at moderate impact speeds before requiring replacement. The reinforced arm roots with integrated bracing distribute crash energy effectively, but catastrophic impacts at full speed may cause permanent deformation. The modular design allows you to replace individual damaged arms without replacing the entire frame.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat flight controller size does this frame support?\u003c\/summary\u003e\n\u003cp\u003eThe Mark4 accommodates standard 30x30mm and 20x20mm flight controller form factors. The isolated mounting plate accepts both sizes with appropriate adapter brackets included in the kit. Ensure your selected flight controller has sufficient I2C and UART ports for your sensor configuration.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Engineer Store\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy Mark4 6 Inch 260mm Carbon Fiber Racing Frame Kit Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eMark4 6 Inch 260mm Carbon Fiber Racing Frame Kit\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eMark4 6 Inch 260mm Carbon Fiber Racing Frame Kit\u003c\/strong\u003e with fast shipping and expert support.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":44005465981091,"sku":"TES-EVN1745","price":2212.22,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/MARK-4-6-INCH12-314x252_1680d606-b4fc-4520-9870-4ac39a7bf0bf.jpg?v=1707827455","url":"https:\/\/www.theengineerstore.in\/or\/products\/mark4-6-inch-260mm-carbon-fiber-racing-frame-kit","provider":"The Engineer Store","version":"1.0","type":"link"}