VT400 Quadcopter Frame – PCB Version Frame Kit with Integrated PCB

The VT400 Quadcopter Frame is a professional-grade PCB-integrated frame kit designed for autonomous flight systems, aerial robotics, and advanced UAV applications requiring compact form factors with embedded power distribution. This frame is extensively used by drone enthusiasts, roboticists, and commercial UAV operators who need reliable structural integrity combined with integrated electronic connectivity. The integrated PCB design eliminates external wiring complexity, reduces electromagnetic interference, and provides a unified platform for ESC integration and sensor mounting, solving the critical challenge of weight optimization without compromising structural rigidity.

Product Overview

The VT400 Quadcopter Frame features a precision-engineered carbon fiber composite structure with an integrated PCB backbone that serves as both the mechanical chassis and electrical distribution hub. The frame operates on the principle of distributed mass architecture, where the integrated PCB handles power distribution, signal routing, and component interconnection simultaneously. This dual-functionality design reduces total system weight by 15-20 percent compared to traditional external wiring configurations while maintaining superior vibration dampening characteristics. The PCB version specifically incorporates pre-routed power planes, signal traces, and mounting pads optimized for 4-in-1 ESC modules, flight controllers, and auxiliary sensor integration.

What distinguishes the VT400 is its modular arm design with quick-disconnect mechanisms that facilitate rapid assembly, disassembly, and component replacement in field conditions. The integrated PCB uses multi-layer FR4 substrate with copper weight optimization to handle continuous current draw from high-performance brushless motors while maintaining thermal stability. The frame geometry follows aerodynamic principles that minimize drag coefficients during forward flight while providing stable hover characteristics across varying payload configurations. Professional users appreciate the standardized mounting patterns that accommodate DJI-compatible motors, Hobbywing ESCs, and Pixhawk flight controllers without requiring custom adapters.

Key Specifications

Specification	Details
Product Type	Quadcopter Frame Kit with Integrated PCB
Model	VT400 PCB Version
Material	Carbon Fiber Composite with FR4 PCB Backbone
Wheelbase	400mm (motor to motor diagonal)
Maximum Takeoff Weight	2.5kg with integrated payload
Arm Configuration	4 Quick-Disconnect Carbon Fiber Arms
PCB Layers	4-Layer FR4 with Copper Weight Optimization
Power Distribution	Integrated 6S LiPo compatible with 60A continuous rating
Motor Mounting	M3 Standard Compatible with 2212-2216 Brushless Motors
Flight Controller Mounting	Vibration-Isolated Standoff Pattern for Pixhawk and Betaflight
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

• Integrated PCB Power Distribution eliminates external wiring harnesses, reducing total system weight by 18 percent and minimizing electromagnetic interference that degrades sensor accuracy in flight control systems
• Quick-Disconnect Arm Mechanism enables field-level repairs and component swaps within 3 minutes, critical for commercial operations requiring rapid turnaround between flights
• 4-Layer FR4 PCB with Optimized Copper Planes provides 60A continuous current capacity with thermal management features that prevent voltage sag during high-acceleration maneuvers
• Vibration-Isolated Flight Controller Mounting uses elastomeric standoffs tuned to 20Hz resonance frequency, reducing gyroscope noise by 35 percent for superior stabilization in windy conditions
• Modular Sensor Integration Points include pre-routed headers for GPS, optical flow, and rangefinder modules without requiring soldering modifications
• Aerodynamic Arm Design with swept-back geometry reduces parasitic drag coefficient by 12 percent, extending flight time by 8-12 minutes compared to conventional rectangular frames

Applications and Use Cases

• Precision Agriculture and Crop Monitoring where the integrated PCB design supports simultaneous operation of multispectral cameras, thermal sensors, and GPS modules for real-time field analysis without power distribution bottlenecks
• Autonomous Inspection Systems for infrastructure assessment including bridge inspections, power line surveys, and cellular tower maintenance where modular arm design enables rapid reconfiguration for different sensor payloads
• Aerial Photography and Cinematography requiring stable hover characteristics and extended flight time, where the optimized weight distribution and vibration isolation deliver cinematic-quality footage with minimal gimbal correction
• Research and Development in robotics and autonomous systems where the standardized mounting patterns and open PCB architecture facilitate rapid prototyping of custom flight control algorithms and sensor fusion experiments
• FPV Racing and Competitive Drone Sports where the lightweight construction and quick-disconnect mechanism allow pilots to swap damaged arms between heats without complete frame replacement

How to Use

Begin assembly by connecting the four quick-disconnect arm modules to the central PCB chassis, ensuring the polarity indicators align correctly to prevent electrical reversal. Mount your brushless motors to the arm motor plates using M3 fasteners, then connect the motor leads to the pre-routed pads on the integrated PCB, observing the color-coded wire sequence for proper phase rotation. Install your flight controller on the vibration-isolated standoffs using M2.5 screws, ensuring the arrow marking on the controller aligns with the forward direction marked on the frame. Connect the 6S LiPo battery connector to the main power input on the PCB, verify polarity with a multimeter before initial power-up, and test all motor directions using your flight control software before attempting flight.

For optimal performance, calibrate your ESCs using the integrated programming pads accessible from the top PCB surface without requiring disassembly. Mount your GPS module on the designated header at the rear of the frame, maintaining minimum 10cm separation from the flight controller to reduce magnetic interference. If adding payload sensors, utilize the pre-routed I2C and serial headers on the PCB to minimize custom wiring. Perform a pre-flight weight and balance check by placing the assembled quadcopter on a precision scale, ensuring the center of gravity falls within 2cm of the geometric center marked on the frame. After each flight session, inspect the PCB for visible damage, verify all connector contacts for corrosion, and apply conformal coating if operating in high-humidity environments.

Frequently Asked Questions

What is the maximum motor size compatible with the VT400 frame?

The VT400 supports brushless motors in the 2212 to 2216 size range with standard M3 mounting patterns. The integrated PCB power distribution is rated for motors drawing up to 15A per channel continuously, allowing use of high-KV racing motors or larger low-KV camera platforms. For motors exceeding 2216 specifications, custom motor plates are available separately. The frame geometry maintains structural integrity up to 2.5kg total takeoff weight, which typically accommodates dual 2216 motors with 4S or 5S battery configurations.

Can I use the VT400 frame with different flight control systems?

Yes, the VT400 is compatible with any flight controller using standard servo connector pinouts or PWM input signals. The pre-routed mounting holes accommodate Pixhawk, Betaflight F4, and ArduPilot-compatible controllers without modification. The integrated PCB provides direct power and ground connections, but flight controller signal lines can be routed through the PCB headers or externally depending on your specific control system. We recommend using controllers with built-in IMU vibration isolation for optimal performance with this frame.

What is the weight of the VT400 frame kit without motors and electronics?

The bare VT400 frame with integrated PCB weighs approximately 285 grams, including all four arms, central chassis, and the 4-layer PCB backbone. This lightweight construction is achieved through precision carbon fiber layup and selective material removal in non-critical stress areas. When equipped with four 2212 motors, ESCs, flight controller, and a 3S 2200mAh battery, the total system weight reaches approximately 1.2kg, leaving 1.3kg capacity for camera payloads or additional sensors.

How do I repair a damaged arm on the VT400 frame?

The quick-disconnect mechanism allows you to remove a damaged arm in under one minute by disengaging the connector clip and unbolting the arm base from the central PCB. Replacement arms are available individually and pre-configured with motor mounting plates. Simply connect the new arm to the PCB connector, ensuring polarity alignment, and bolt it to the chassis using the original M3 fasteners. No soldering or rewiring is required, making field repairs feasible during commercial operations.

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 shipping options are available for orders placed before 2 PM on weekdays, with delivery within 4-5 days to major metropolitan areas.

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. Not applicable for user damage or misuse. Manufacturing defects include PCB solder joint failures, cracked carbon fiber due to material flaws, and non-functional integrated power distribution circuits.

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. Educational institutions and research organizations qualify for academic pricing with proof of institutional affiliation.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication certificates for every VT400 frame kit
• Expert Team: Our technical team validates every product before listing and provides pre-delivery quality assurance testing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse using tracked courier services
• 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 for orders above 5000 rupees
• Technical Support: 24/7 expert guidance via email and WhatsApp from engineers with hands-on drone assembly experience
• Returns: 7-day return policy on manufacturing defects only with hassle-free replacement process
• Documentation: Every VT400 frame kit includes assembly manual, PCB sch

Buy VT400 Quadcopter Frame – PCB Version Frame Kit with Integrated PCB Online in India

Purchase the VT400 Quadcopter Frame – PCB Version Frame Kit with Integrated PCB online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.

Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.