Description
GEPRC CT30-O3-COB Frame – Premium FPV Frame by Lofty Agrotech
Introduction
The GEPRC CT30-O3-COB Frame from Lofty Agrotech is a purpose-built, high-performance FPV drone frame designed around the DJI O3 Air Unit. Combining PC+PET injection-molded components with 7075 aluminum alloy reinforcement, this frame offers exceptional durability, lightweight construction, and modular design flexibility. Whether you are a cinematic drone pilot, freestyle enthusiast, or advanced FPV builder, the GEPRC CT30-O3-COB Frame provides the foundation for a versatile, reliable, and visually stunning drone build.
Engineered with precision, the frame integrates a gimbal damping module, which eliminates the notorious jello effect during dynamic aerial maneuvers. Its modular architecture allows pilots to upgrade or replace components quickly, keeping their drones flight-ready with minimal downtime. The optional COB light strip adds a professional aesthetic and practical illumination for low-light conditions, enhancing both creativity and safety.
Lofty Agrotech designed the GEPRC CT30-O3-COB Frame for compatibility with multiple 15–20 series motors, action cameras, and all-in-one flight controllers, making it one of the most versatile 3-inch FPV frames available today.
Key Features of GEPRC CT30-O3-COB Frame
Gimbal Damping System
One of the most important features of the GEPRC CT30-O3-COB Frame is its advanced gimbal damping structure. Designed to eliminate the jello effect, this system ensures that your onboard cameras produce smooth, professional-quality footage even during aggressive freestyle maneuvers. The damping module absorbs vibrations from the motors and frame structure, allowing for crystal-clear video recording with DJI O3 or GoPro systems.
Modular Design & Quick-Release System
The frame’s modular construction allows pilots to quickly access individual components for upgrades, repairs, or replacements. From top and bottom plates to isolation modules, every part can be removed or swapped without disturbing the overall structure. Lofty Agrotech’s quick-release system makes this process seamless, saving valuable time during build and maintenance cycles.
Material & Build Quality
Constructed from injection-molded PC+PET with reinforced 7075 aluminum alloy plates, the GEPRC CT30-O3-COB Frame balances lightweight agility with structural durability. This combination provides the stiffness needed for accurate flight control while maintaining a frame light enough for acrobatic maneuvers. All edges are chamfered and rounded to minimize stress points, ensuring extended longevity of the frame under repeated crashes.
COB Light Integration
A standout feature of this frame is the integrated COB light strip, offering both functional illumination and visual flair. The light enhances visibility in low-light conditions, helps frame orientation during freestyle maneuvers, and adds a cinematic glow for night flights. The optional installation makes it easy for pilots to choose between a pure performance build or a visually striking setup.
Motor & Electronics Compatibility
The GEPRC CT30-O3-COB Frame supports 15–20 series motors, offering plenty of thrust for both freestyle and cinematic flight. The frame also accommodates a wide range of flight controllers, including all-in-one (AIO) boards, providing flexibility for digital and analog video transmission systems. The motor mounting holes are standardized at 12×12 mm, ensuring compatibility with most 3-inch FPV components.
Camera Mount Options
Equipped with TPU camera mounts, the frame supports multiple action cameras, including GoPro Hero, DJI O3, and Naked GP series. EVA padding in the mounts reduces vibrations, allowing smooth cinematic footage even during high-speed maneuvers. Pilots can quickly swap camera types without modifying the frame, making it ideal for multi-purpose builds.
Lightweight & Durable Performance
Despite its robust structure, the GEPRC CT30-O3-COB Frame remains lightweight at approximately 0.25 kg, providing high agility for freestyle flying while maintaining stability for long-range exploration. The combination of lightweight materials and reinforced design ensures both crash resistance and responsive control in flight.
Package Contents
Each GEPRC CT30-O3-COB Frame kit from Lofty Agrotech includes everything necessary to start building immediately:
Frame Components:
- 1 × Main Plate (3.0mm)
- 1 × Bottom Plate (1.5mm)
- 1 × Isolation Plate (2.0mm)
- 1 × Set of Screws
- 1 × BEC Module (optional)
- 1 × COB Light Strip (optional)
3D Printed Parts & Accessories:
- 1 × 3-inch One-piece Injection-molded Propeller Guard
- 1 × Naked GP Camera Base Mount
- 2 × Battery Non-slip Mats
- 2 × Receiver Antenna Tubes (100mm)
- 1 × Battery Strap M15×200
- 1 × Battery Strap M15×220
- 1 × Naked GP Camera Power Cable (4S Balance Head)
- 1 × Naked GP Camera Power Cable (6S Balance Head)
- 1 × L-shaped Screwdriver 1.5mm
- 1 × L-shaped Screwdriver 2.0mm
- 1 × Carbon Fiber Keychain
- 2 × GEPRC Stickers
- 1 × Service Card
- 1 × Packaging Box
Lofty Agrotech ensures all components are high-quality, precision-fit, and ready for immediate assembly.
Technical Specifications
| Parameter | Specification |
|---|---|
| Item Type | Drone Frame |
| Model | GEPRC CT30-O3-COB |
| Material | PC+PET & 7075 Aluminum Alloy |
| Color | Black |
| Compatibility | Action Cameras, DJI O3, Analog & Digital VTX |
| Motor Hole Diameter | 12 × 12 mm |
| Top Plate Thickness | 2 mm |
| Bottom Plate Thickness | 1.5 mm |
| Arm Thickness | 3 mm |
| Compatible Prop | 3-inch |
| Shipping Weight | 0.25 kg |
| Shipping Dimensions | 18 × 23 × 5 cm |
Item Type and Model
The GEPRC CT30-O3-COB Frame is a high-performance drone frame designed specifically for FPV enthusiasts and professional pilots. Crafted by Lofty Agrotech, this frame is engineered to meet the demands of freestyle, cinematic, and long-range FPV applications. Its modular structure allows easy assembly, maintenance, and upgrades, making the GEPRC CT30-O3-COB Frame a reliable choice for both beginners and advanced pilots who seek versatility, durability, and long-term performance.
Material and Build Quality
Constructed from PC+PET injection-molded material combined with 7075 aluminum alloy, the GEPRC CT30-O3-COB Frame delivers unmatched durability without compromising weight. The hybrid construction ensures that the frame can withstand repeated crashes and rough handling while remaining light enough for agile flight. The sleek black finish not only looks professional but also conceals minor scratches or scuffs, keeping the frame looking pristine during long-term use.
Compatibility
The GEPRC CT30-O3-COB Frame is fully compatible with a wide range of action cameras, including DJI O3, GoPro, and Naked GP series, allowing pilots to capture smooth and cinematic footage from every angle. Additionally, it supports both analog and digital VTX systems, giving FPV builders the flexibility to select their preferred video transmission setup. This versatility makes the GEPRC CT30-O3-COB Frame ideal for multi-purpose FPV builds, whether for professional filming, freestyle racing, or hobbyist exploration.
Motor Mounting and Propeller Compatibility
The GEPRC CT30-O3-COB Frame features motor mounting holes with a diameter of 12 × 12 mm, which are compatible with most 15–20 series motors. The 3 mm carbon fiber arms provide excellent impact resistance while maintaining lightweight construction for responsive flight. Supporting 3-inch propellers, this frame achieves the perfect balance between speed, maneuverability, and stability, enabling pilots to perform freestyle tricks and cinematic sweeps with confidence.
Plate Thickness and Structural Stability
The top plate of the GEPRC CT30-O3-COB Frame measures 2 mm, providing solid support for mounted electronics, flight controllers, and action cameras. The bottom plate, at 1.5 mm thick, enhances overall durability and protects the frame from impacts during hard landings or crashes. Together with the 3 mm carbon fiber arms, this combination ensures a strong, rigid structure capable of withstanding the demands of aggressive FPV flying while maintaining consistent performance over time.
Weight and Dimensions
Despite its robust construction, the GEPRC CT30-O3-COB Frame weighs only 0.25 kg, making it highly maneuverable and responsive in flight. Its compact shipping dimensions of 18 × 23 × 5 cm make transportation easy, allowing pilots to carry their FPV setup conveniently to different flying locations, competitions, or filming sites without added bulk or inconvenience.
Optimized for Performance
Every component of the GEPRC CT30-O3-COB Frame is carefully engineered to provide maximum flight efficiency, stability, and durability. The lightweight yet sturdy plates, combined with the resilient 3 mm carbon fiber arms and versatile motor mounting system, ensure smooth, precise, and reliable performance during freestyle tricks, cinematic sweeps, or long-range exploration. This frame is a perfect choice for pilots who demand both professional-quality flight and long-lasting reliability from their FPV drone builds.
Assembly and Setup Guide for GEPRC CT30-O3-COB Frame
Frame Assembly
Assembling the GEPRC CT30-O3-COB Frame is straightforward thanks to its modular design by Lofty Agrotech. Begin by securing the main plate to the bottom plate using the screws included in the package. Next, install the isolation plate, which is critical for reducing vibrations and ensuring smooth flight performance. The modular design allows pilots to attach or remove individual components easily, making maintenance and upgrades hassle-free. Every component, from the carbon fiber arms to the PC+PET plates, is precision-engineered to fit securely, allowing for a stable and balanced frame setup.
Electronics Installation
Installing electronics on the GEPRC CT30-O3-COB Frame is made easy with standard all-in-one flight controller (AIO FC) mounting holes. Mount the flight controller carefully, ensuring it is centered for optimal weight distribution. Connect the ESCs and VTX systems, routing cables through the designated channels to prevent tangling or interference with the motors and propellers. The hybrid aluminum and PC+PET construction provides ample support and grounding for the electronics, ensuring long-term reliability.
Camera Installation
The GEPRC CT30-O3-COB Frame supports a wide range of action cameras including DJI O3, GoPro, and Naked GP series. Install your preferred camera onto the TPU mounts and ensure EVA vibration pads are correctly positioned. This setup minimizes shake and jello effect, allowing for smooth and professional-quality footage even during aggressive freestyle flying. The modular camera mounts also allow quick swaps between different camera types for versatile filming setups.
Battery Setup
Proper battery installation is crucial for flight balance and stability. Use the included M15×200 and M15×220 battery straps in combination with the non-slip mats to secure LiPo batteries firmly. Proper positioning ensures that the center of gravity remains balanced, reducing the likelihood of unstable flight or tilt during maneuvers. The modular design also allows quick battery removal for transport or maintenance.
COB Light Installation
For pilots seeking aesthetic flair or night-flight visibility, the GEPRC CT30-O3-COB Frame includes optional COB light strips. These can be easily mounted onto the frame and connected to the BEC module to ensure consistent and safe power distribution. The lights enhance the frame’s visual appeal while providing functional illumination for low-light conditions.
Maintenance and Longevity of GEPRC CT30-O3-COB Frame
Pre-Flight Inspection
Before every flight, check all screws, motor mounts, and TPU components for proper tightness. Inspect the carbon fiber and aluminum alloy parts for any signs of cracks or wear. A routine inspection helps ensure optimal performance, prevents in-flight failures, and extends the life of the GEPRC CT30-O3-COB Frame.
Post-Flight Care
After landing, wipe down the frame with a soft cloth to remove dust, dirt, or residue. Avoid harsh chemicals or solvents, as these can damage the TPU or PC+PET parts. Regular cleaning keeps the frame looking professional and maintains the integrity of all mechanical and electronic components.
Component Replacement & Upgrades
Thanks to the modular design, replacing worn or damaged parts is quick and simple. Arms, plates, or camera mounts can be swapped without requiring full disassembly. Lofty Agrotech provides compatible replacement parts to ensure long-term support for your GEPRC CT30-O3-COB Frame build, allowing pilots to upgrade or maintain their frame without compromising performance.
Performance and Applications of GEPRC CT30-O3-COB Frame
Cinematic FPV Filming
The gimbal damping system integrated into the GEPRC CT30-O3-COB Frame eliminates jello, producing smooth and professional footage. Its vibration-dampening design allows for cinematic sweeps and high-quality aerial filming, perfect for content creators and professional drone operators.
Freestyle FPV Flying
With lightweight 3 mm carbon fiber arms and a compact 3-inch propeller design, the frame excels in freestyle maneuvering. Pilots can execute rapid flips, rolls, and sharp turns while maintaining stability and structural integrity. The hybrid aluminum and PC+PET construction absorbs impacts during crashes, preserving the frame for long-term use.
Night or Low-Light Flying
The integrated COB light strips enhance visibility and add aesthetic appeal during night flights. This feature allows pilots to safely navigate low-light environments while producing visually striking light trails in footage, making the GEPRC CT30-O3-COB Frame perfect for creative night-time filming or visually dynamic FPV sessions.
Long-Range FPV
The frame supports larger 15–20 series motors and all-in-one flight controllers, providing reliable power and control for extended flights. The balanced structure and modular design ensure that even long-range missions are stable and precise, making this frame suitable for professional exploration, mapping, or cinematic purposes.
Comparative Advantages of GEPRC CT30-O3-COB Frame
Compared to standard 3-inch FPV frames, the GEPRC CT30-O3-COB Frame stands out due to:
- Advanced gimbal damping for smooth footage
- Integrated COB lighting for aesthetic and functional benefits
- Modular quick-release system for easy upgrades and repairs
- Durable aluminum + PC+PET hybrid construction
- Multi-camera support for DJI O3, GoPro, and Naked GP
These advantages make it an ideal choice for pilots looking for professional-grade performance and versatility.
Recommended Build Configurations
- Motors: 1507–2007 series
- ESC: 20–35A 4-in-1
- Flight Controller: F4 or F7 AIO
- Propellers: 3-inch tri-blades
- Battery: 4S–6S LiPo
This configuration ensures optimal power, stability, and performance for cinematic, freestyle, and long-range flights.
Community Feedback
FPV pilots and enthusiasts frequently highlight the frame’s modular design, smooth flight, and COB light integration as major benefits. Examples include:
- “The GEPRC CT30-O3-COB Frame is perfect for smooth cinematic shots and freestyle fun. Modular design is a game-changer.” – FPV Pilot
- “I love the COB light and damping system. Makes night flying safe and visually stunning.” – FPV Enthusiast
Safety and Best Practices
To ensure safe operation of the GEPRC CT30-O3-COB Frame, pilots should:
- Check weight distribution before each flight
- Verify propeller clearance and rotation
- Inspect all mounts, screws, and TPU parts for wear
- Replace any damaged components using the modular system for continued reliability
Following these guidelines preserves the frame’s structural integrity and ensures maximum performance during freestyle, cinematic, or long-range FPV sessions.
Conclusion
The GEPRC CT30-O3-COB Frame from Lofty Agrotech is a premium FPV drone frame engineered for pilots who demand both performance and versatility. Designed around the DJI O3 Air Unit, this frame combines PC+PET and 7075 aluminum alloy construction to deliver an optimal balance of lightweight agility and structural durability. Its modular design, advanced gimbal damping system, and TPU camera mounts ensure smooth, professional-quality footage for cinematic projects, freestyle flying, and long-range exploration.
Every aspect of the GEPRC CT30-O3-COB Frame has been meticulously crafted for usability and reliability. The quick-release modular system allows easy assembly, maintenance, and upgrades, while the integrated COB light strips provide aesthetic appeal and improved visibility during night or low-light flights. With compatibility for DJI O3, GoPro, Naked GP cameras, analog and digital VTX systems, and support for 15–20 series motors, this frame is versatile enough to handle multiple FPV build configurations, from aggressive freestyle setups to cinematic aerial rigs.
Durable yet lightweight, the GEPRC CT30-O3-COB Frame ensures optimal weight distribution, minimal vibration, and precise control, providing pilots with unmatched stability and responsiveness. Its robust carbon fiber arms, reinforced plates, and EVA-padded TPU mounts protect sensitive electronics while enhancing overall flight performance. Additionally, the included accessory and tool kit from Lofty Agrotech makes assembly and customization effortless, saving time and ensuring a seamless building experience.
For FPV enthusiasts, professional drone filmmakers, and hobbyists, the GEPRC CT30-O3-COB Frame represents the perfect synergy of design, durability, and functionality. It is an investment in high-quality flight performance, cinematic capabilities, and long-term reliability. Whether performing freestyle tricks, capturing breathtaking cinematic footage, or exploring long-range missions, this frame empowers pilots to push the limits of creativity and control.
With Lofty Agrotech’s commitment to precision engineering and customer support, the GEPRC CT30-O3-COB Frame is not only a frame but a complete FPV solution. For those seeking a durable, versatile, and performance-driven FPV platform, this frame sets a new standard in the 3-inch FPV frame category. It delivers everything a modern pilot requires: strength, modularity, camera flexibility, and unmatched flight performance.
Experience precision, agility, and cinematic excellence with the GEPRC CT30-O3-COB Frame by Lofty Agrotech – your ultimate FPV companion.
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