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{"title":"Forest Firefighting UAV System with 10 UAV Swarm Capacity 500kg Fire Extinguishi","imgUrl":"https:\/\/img.chinax.com\/nimg\/8d\/cf\/e0a918699fa90af4dbf79b9851bc-200x200-1\/forest_firefighting_uav_system_with_10_uav_swarm_capacity_500kg_fire_extinguishing_payload_and_45_min_flight_duration.jpg","attrs":{"Quantity of Fire Extinguishing Bombs Thrown by the Swarm at a Time":"500kg","Fire Extinguishing Bomb Capacity":"500kg","maximum total mass":"18 ton","Maximum Duration of Flight at No-load":"45 min"}}
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30L/s High Flow Fire Suppression, 6h Non-Stop Operation, Low Lifecycle O&M Cost
Core Technical Specifications
Platform Parameters
Configuration: 8 ducted fan VTOL layout (light 4-duct version optional)
Max Takeoff Weight: 800 kg
Payload Capacity: 250–400 kg
Max Operating Height: 100–150 m (main model) / 50 m (light version)
Climb Rate: ≥2 m/s, reach 100 m altitude within 1 minute
Wind Resistance: Stable hovering under Level 6 gust wind
Thrust Performance: 5–10 times thrust of open rotors with same dimension
Fire Suppression Performance
Available Agents: Clean water, Class A foam, Class B alcohol-resistant foam
Discharge Flow Rate: 20–30 L/s
Effective Jet Range: 45 m, working pressure 0.3–0.6 MPa
Operation Mode: Long-distance visual remote control with real-time video transmission
Power & Liquid Supply (No Charging / Battery Swap)
Adopt tethered integrated supply solution instead of onboard lithium battery:
Power supply: Continuous power from vehicle-mounted generator via composite tether cable, non-stop operation over 6 hours
Foam/water supply: High-pressure hose connected with truck fire pump for long-duration firefighting
Zero battery aging, replacement and thermal runaway risks
Supporting Chassis Truck
Overall dimension: ≤10m length, ≤2.5m width
Deployment Time: Full launch ready within 3 minutes after arrival; automatic hydraulic lifting platform
Key Competitive Advantages
Inherently High Safety of Ducted Fan Design
All rotating blades fully enclosed inside ducted housing, eliminate rotor breaking splash risk in fire ground; strong anti-turbulence hovering stability for high-rise building wind field; low operation noise around 90dB. Huge thrust offsets strong recoil of high-flow water jet.
Main-Class Firefighting Capability
Equivalent fire suppression efficiency of heavy-duty fire engines, capable of direct suppression of fierce open flame, not only for reconnaissance. Operators stay in safe zone remotely to avoid collapse, high temperature and explosion hazards. Cluster operation available for rapid large-area fire extinguishing.
Excellent Urban Accessibility & Rapid Response
Compact truck chassis passes narrow old residential lanes inaccessible to traditional aerial ladder vehicles; no dedicated vertiport required, rooftop platform for direct takeoff; 90% shorter deployment time than conventional ladder trucks.
High Reliability & Official Certification
Redundant multi-duct power system for fault-tolerant forced landing; officially certified by national fire equipment testing institute, eligible for government procurement.
Application Scenarios
High-rise residential & commercial building fire fighting (core application)
Chemical park, container yard, energy storage power station thermal runaway fire suppression
Cliff wildfire, dock ship fire, post-disaster residual hot spot cooling
Light 4-duct version: mid-rise building, factory initial fire disposal for local fire brigades
Operation & Maintenance Feasibility
Strengths for Easy O&M
No lithium battery depreciation and replacement cost, biggest long-term saving
Modular ducted fan power unit, faulty module plug-and-play replacement on site within 20 minutes
Self-diagnosis flight control system for quick fault location
Standard fire water pipe fittings and mature truck chassis for universal maintenance
Regular Maintenance Items
Flush pipeline thoroughly after foam operation for anti-corrosion
Periodic inspection and replacement of wear-prone tether cables and duct housings
Professional operator training for tether retraction and agent proportioning
O&M Cost Evaluation
Annual maintenance cost far lower than helicopters and large aerial ladder fire trucks; no periodic battery expenditure makes it cost-effective in 3–5 years full lifecycle.
Limitations
Operating radius limited by tether cable, cannot fly independently far away from the truck
Ducted body non-foldable, larger transportation volume than small foldable rotor UAVs
Focus on fixed-point sustained fire attack, not for wide-area long-distance patrol
