APEX 3inch 150mm Carbon Fiber Frame Kit

The APEX 3inch 150mm Carbon Fiber Frame Kit is a professional-grade FPV racing drone frame designed for high-performance aerial applications and competitive drone racing. This frame kit is extensively used by FPV pilots, drone racing enthusiasts, and professional aerial photographers who demand lightweight construction combined with structural rigidity. The carbon fiber composite construction solves the critical challenge of achieving maximum strength-to-weight ratio while maintaining durability during high-speed maneuvers and crash impacts.

Product Overview

The APEX 3inch 150mm frame utilizes premium 3K carbon fiber layup technology to create a chassis that weighs under 50 grams while maintaining exceptional torsional stiffness. The frame geometry is optimized for 3-inch propeller configurations, delivering superior agility and responsiveness in FPV racing scenarios. The 150mm wheelbase provides the ideal balance between maneuverability and stability, allowing pilots to execute rapid directional changes without sacrificing control authority. The frame arms feature reinforced motor mounting points with precision-drilled holes compatible with standard 16mm and 17mm motor stacks.

This frame kit incorporates advanced carbon fiber weaving patterns that distribute stress evenly across structural elements, significantly reducing vibration transmission to flight controllers and cameras. The design includes integrated cable management channels that route wiring through the frame arms, minimizing exposed wires and reducing aerodynamic drag. The bottom and top plates feature strategically positioned mounting holes for flight controllers, ESCs, and FPV camera systems, accommodating multiple build configurations. The frame's modular arm design allows for quick replacement of damaged components without requiring complete frame replacement, making it cost-effective for competitive pilots who frequently experience crashes during training and racing.

Key Specifications

Specification	Details
Product Type	FPV Racing Drone Frame Kit
Brand	APEX
Frame Size	3 inch 150mm Wheelbase
Material	3K Carbon Fiber Composite
Frame Weight	Approximately 48-52 grams
Propeller Compatibility	3 inch propellers
Motor Mount	16mm and 17mm compatible
Arm Thickness	4mm carbon fiber arms
Battery Mounting	XT60 connector compatible with integrated battery tray
Camera Mount	Universal FPV camera mounting bracket included
Origin	Original and Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp

Key Features

• Premium 3K Carbon Fiber Construction: Delivers exceptional strength-to-weight ratio with torsional stiffness that minimizes frame flex during aggressive racing maneuvers and high-G turns
• Optimized 150mm Wheelbase Design: Provides perfect balance between agility and stability, enabling precise control in tight racing gates and rapid directional changes
• Modular Arm System: Damaged arms can be individually replaced without replacing the entire frame, reducing repair costs and downtime for competitive pilots
• Integrated Cable Management: Built-in wire routing channels reduce vibration transmission to flight controllers and FPV cameras, improving video feed stability and sensor accuracy
• Universal Motor Compatibility: Supports both 16mm and 17mm motor stacks with precision-drilled mounting holes for secure and vibration-free installation
• Reinforced Motor Mounting Points: Heavy-duty motor mounts withstand repeated crashes and high-torque motor loads without deformation or loosening

Applications and Use Cases

• FPV Drone Racing: Competitive racing pilots use this frame in gate-based racing competitions where lightweight design and responsive handling are critical for achieving winning lap times
• Professional Freestyle Flying: Aerial content creators perform complex 3D maneuvers and cinematic movements with confidence due to the frame's structural integrity and vibration dampening properties
• High-Speed Acrobatic Flying: Experienced pilots execute barrel rolls, flips, and inverted flight patterns with maximum control authority provided by the optimized frame geometry
• Training and Practice: Flight schools and training facilities use APEX frames for student pilot development due to their durability and cost-effectiveness when repairs are needed
• Aerial Photography and Videography: Lightweight construction allows longer flight times while maintaining stable video capture with minimal frame vibration

How to Use

Begin assembly by carefully inspecting all carbon fiber components for manufacturing defects or shipping damage before proceeding. Mount your selected 16mm or 17mm brushless motors onto the four arm motor plates using the provided screws, ensuring motors are oriented correctly with bell rotation direction matching your ESC programming. Install your flight controller on the top plate using vibration-dampening standoffs, positioning it centrally to maintain balanced weight distribution. Connect your ESCs to the flight controller using the appropriate signal wires, and mount your FPV camera on the camera bracket with the lens pointing forward at your desired tilt angle.

Route all power and signal cables through the integrated cable management channels to minimize exposed wiring and reduce aerodynamic drag. Install your battery on the integrated battery tray using velcro straps, ensuring the XT60 connector is easily accessible for quick battery swaps. Before your first flight, verify that all motor screws are tight, arm connections are secure, and the frame is symmetrical by checking wheelbase measurements at multiple points. Calibrate your ESCs and flight controller according to your specific firmware requirements, then perform a thorough ground test with propellers installed to confirm all motors spin in the correct direction at appropriate speeds.

Frequently Asked Questions

What is the maximum takeoff weight for the APEX 3inch 150mm frame?

The APEX frame supports a maximum takeoff weight of approximately 250-280 grams depending on your specific motor and battery configuration. With 3-inch propellers and lightweight brushless motors, typical builds achieve 180-220 grams total weight, allowing for extended flight times and improved responsiveness. Heavier battery configurations may approach the weight limit, so calculate your total build weight before purchasing additional components.

Are the arms replaceable if they break during crashes?

Yes, the APEX frame features a modular arm design where individual arms can be unbolted and replaced without replacing the entire frame structure. Replacement arms are available separately at significantly lower cost than purchasing a complete new frame kit. This modular approach makes the frame extremely cost-effective for competitive pilots who frequently experience crashes during training sessions and racing events.

What motors and ESCs are compatible with this frame?

The APEX 3inch frame accommodates 16mm and 17mm motor stacks with standard 1104, 1106, 1107, and 1108 brushless motors. ESCs rated for 20A to 40A continuous current work well with this frame size. Verify that your selected motor and ESC combination supports 3-inch propellers and matches your desired flight characteristics before purchasing components.

Can I use 2-inch or 4-inch propellers on this frame?

The APEX 3inch 150mm frame is specifically optimized for 3-inch propellers. Using smaller 2-inch propellers will result in reduced thrust and flight time, while 4-inch propellers will not fit within the frame geometry and may strike the arms during rotation. Always use 3-inch propellers to achieve the frame's designed performance characteristics and safety margins.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India. Express delivery options may be available for select cities. You will receive tracking information via email and SMS once your order ships.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. This warranty covers factory defects in carbon fiber layup, misaligned mounting holes, and structural flaws. The warranty does not apply to user damage from crashes, modifications, or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote. We offer special pricing for flight schools, racing clubs, and professional drone racing teams.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication certificates
• Expert Team: Our technical team validates every product before listing and provides expert guidance
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat
• Payment Options: COD, UPI, credit/debit cards, net banking, and EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp for build assistance
• Returns: 7-day return policy on manufacturing defects with hassle-free replacement

Buy APEX 3inch 150mm Carbon Fiber Frame Kit Online in India

Purchase the APEX 3inch 150mm Carbon Fiber Frame Kit online at The Engineer Store, India's trusted source for genuine FPV drone components and electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on APEX 3inch 150mm Carbon Fiber Frame Kit with fast shipping and expert technical support from experienced FPV pilots.

Our team in Bengaluru is available 24/7 to support your drone building journey from component selection through final assembly and calibration. Whether you are a competitive racing pilot, freestyle flyer, or training facility, we provide authentic products backed by professional technical expertise and reliable customer service.