Holybro X650 Almost-Ready-To-Fly (ARF) Kit
by Holybro

Holybro X650 Almost-Ready-To-Fly (ARF) Kit – Premium 650mm Carbon Fiber Quadcopter Platform with Pre-Installed T-Motor Propulsion and Integrated Power Distribution (No-Soldering Build)

The Holybro X650 Almost-Ready-To-Fly (ARF) Kit represents a massive leap forward for commercial sUAS engineers, industrial inspection teams, and enterprise drone developers who want a heavy-lift, professional-grade 650mm autonomous development platform without the tedious hours spent soldering core power loops. Unlike a bare-bones frame, the X650 ARF package arrives with the critical heavy-lifting propulsion machinery pre-configured and pre-routed right inside the airframe arms. It provides a rock-solid, highly reliable mechanical and electronic foundation while leaving the selection of the primary flight controller, navigation sensors, and radio networks entirely open for custom tailoring.

At the structural core is a high-rigidity chassis consisting of 2mm thick full carbon fiber twill plates and ultra-rugged 20mm diameter carbon fiber tube arms. These oversized arms are locked into place using newly redesigned heavy-duty aluminum folding joints, ensuring maximum frame stiffness in the air and compact field portability on the ground. Mounted directly at the extremities are premium T-Motor MN4014 KV330 brushless motors and ultra-efficient Tekko32 F4 45A ESCs, both featuring native, heavy-duty XT30 connectors that plug directly into the included central Power Distribution Board (PDB). This brilliant modular engineering completely eliminates the need for field soldering. Underneath each motor mount, integrated NeoPixel WS2812 status LEDs provide immediate, programmable orientation visibility.

The central compartment features a spacious multi-deck layout designed specifically for modern autonomous systems architecture. It incorporates native mounting patterns ready for Pixhawk-class flight controllers alongside a dedicated companion computer platform board pre-drilled to cleanly secure high-power edge-AI hardware like the Raspberry Pi 4 or NVIDIA Jetson Nano. For landing and utility carriage, a robust 16mm/10mm carbon fiber landing gear structure supports a massive dual 10mm underslung longitudinal rod rail system. Spaced 320mm apart, these rails are perfectly optimized for carrying enterprise camera gimbals, LiDAR scanning configurations, cargo drop boxes, or multi-sensor depth arrays such as the Intel RealSense family. Capable of a 30-minute hover time when carrying a standard 6S 10000mAh LiPo and built to manage a gross takeoff weight up to 6,300 grams, this ARF kit delivers the commercial durability and open-ended utility demanded by pro drone operators, academic aerospace researchers, and custom industrial sUAS builders.

Avionics Configuration Warning: This package is an Almost-Ready-to-Fly (ARF) Kit. While it supplies the complete frame, motors, ESCs, propellers, LEDs, and power distribution board, it does not include a flight controller (such as a Pixhawk module), GPS, telemetry radio system, RC remote transmitter, receiver, or main flight battery. These vital navigation and control components must be purchased separately.

Technical Specifications

• Frame Class Configuration: 650mm Class Folding Quadcopter Open Development Platform

• Motor-to-Motor Wheelbase: 650 mm

• Chassis Construction Material: Full Carbon Fiber Twill Top & Bottom Decks (160 mm x 160 mm, 2.0 mm thick)

• Arm Structural Tubing: Ultra-lightweight, high-tensile 20 mm diameter carbon fiber tubes

• Arm Folding Lock Mechanism: CNC-machined quick-release heavy-duty aluminum alloy joint clamps

• Integrated Brushless Motors: 4 x T-Motor MN4014 KV330 Motors (Pre-wired with heavy-gauge leads and XT30 plugs)

• Integrated Speed Controllers: 4 x Tekko32 F4 45A Electronic Speed Controllers (ESCs) with XT30 interface

• Orientation Lighting Arrays: 4 x On-Arm Programmable NeoPixel WS2812 Status LEDs

• Power Distribution Infrastructure: Modular PDB featuring an XT60 main battery plug, 4x dedicated XT30 ESC inputs, and auxiliary power rails

• Propeller Specification: Gemfan 1555 High-Efficiency Carbon Fiber Propellers (15-inch diameter, 5.5-inch pitch)

• Landing Gear System: Reinforced 16 mm vertical & 10 mm skid carbon fiber tubes with impact-resistant plastic tee joints

• Payload & Accessory Mounting: Upper 120 mm x 128 mm deck plate & Multi-hole Companion Computer Deck (Optimized for Raspberry Pi 4, Jetson Nano, and Pixhawk baseboards)

• Underslung Rail Carriage Matrix: Dual 10 mm diameter carbon fiber rods with a 320 mm long layout

• Gross Structural Weight (Dry): Approximately 2000 grams (Includes complete frame, motors, ESCs, PDB, and props; without battery)

• Maximum Takeoff Weight Threshold: Up to 6,300g (Calculated at 70% throttle, dependent on final configuration)

• Maximum Practical Structural Payload: Up to 4.3 kg capacity (Minus battery weight allocation)

• Recommended Battery Parameters: 6S LiPo / LiHV Battery ranging from 5,000 mAh to 12,000 mAh utilizing an XT60 connector

• Performance Metric (Hover Endurance): ~30 minutes (Measured hovering with an unladen 6S 10000mAh 1200g battery pack)

What's Included

• 1 x Holybro X650 V2 Carbon Fiber Center Chassis Assembly (Top & Bottom Decks)

• 4 x 20mm Carbon Fiber Tube Arms (Pre-assembled with T-Motor MN4014 KV330 Motors, Tekko32 F4 45A ESCs, and WS2812 LEDs)

• 4 x CNC-Machined Aluminum Foldable Joint Connector Brackets

• 1 x Holybro X650 Central Power Distribution Board (PDB) with pre-soldered XT60 & XT30 ports

• 4 x Gemfan 1555 Carbon Fiber Propellers (2x CW, 2x CCW)

• 1 x Heavy-Duty Carbon Fiber Landing Gear Assembly (16mm & 10mm structural tubes)

• 1 x Multi-Purpose Companion Computer Deck / GPS Mounting Platform Board

• 1 x Upper Accessory & Battery Top Plate (120mm x 128mm)

• 2 x 10mm Diameter x 320mm Long Carbon Fiber Under-Chassis Payload Rails

• 2 x High-Friction Non-Slip Silicone Battery Cushions

• 2 x Heavy-Duty Hook-and-Loop Battery Tie-Down Straps

• 1 x Complete Pack of Assembly Fasteners, Hex Screws, Standoffs, and Manual Hand Tools