Product overview
The Anhui Lianghong Technology Co., Ltd LH90 is a tethered flight system for sustained work above a ground power connection. Its applications include wall cleaning, communication relay, electro-optical reconnaissance and environmental detection. A 2300mm wheelbase and 20-30KG payload capacity define its principal physical and payload parameters. Tethered hovering height is 100-300 meters, hanging time is ≥ 12 hours, and wind resistance is Wind force 7. The system incorporates an aerial vehicle, tether and ground station electronics, with AC380V municipal or generator power and 16-24KW onboard power supply power.
The airframe combines carbon fiber composite with aerospace-grade aluminum alloy, using carbon fiber for the arms and central plate and aluminum at load-bearing points such as motor mounts and landing gear hinges. Continuous-operation brushless motors drive glass-fiber reinforced nylon propellers. The tether combines copper power conductors, a single-mode optical fiber data core and an aramid strength member beneath a polyurethane or other advanced polymer blend jacket. A reinforced polymer reel and sealed slip-ring assembly support cable handling and power/data transfer, while the ground station uses a die-cast aluminum enclosure.
Operational upkeep includes inspection before every flight, motor-bearing and fastener checks every 50 flight hours, and major service every 300 flight hours or 12 months. Tether handling requires the automated reel because manual winding can weaken the cable through twists and kinks; more frequent tether inspections are recommended in abrasive environments. The aerial vehicle and ground station electronics carry a 12-month limited warranty from delivery against material and workmanship defects. Non-genuine parts void that warranty, while lifelong paid repair and maintenance are offered beyond the standard warranty period.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer | Anhui Lianghong Technology Co., Ltd |
| Model | LH90 |
| Wheelbase | 2300mm |
| Payload capacity | 20-30KG |
| Hovering height | 100-300 metersTethered hovering. |
| Wind resistance | Wind force 7 |
| Hanging time | ≥ 12 hours |
| Onboard power supply power | 16-24KW |
| AC input | AC380VMunicipal power or generator supply. |
| Standard warranty coverage | 12-month limited warranty from the date of delivery.Core system, including aerial vehicle and ground station electronics; defects in materials and workmanship. |
| Out-of-warranty services | Lifelong paid repair and maintenance services.Beyond the standard warranty period. |
| Application roles | Wall cleaning, communication relay, electro-optical reconnaissance and environmental detection. |
| System architecture | Aerial vehicle connected by cable to a ground power source for sustained hovering and mission execution. |
| Airframe materials | Carbon fiber composite and aerospace-grade aluminum alloy. |
| Structural material allocation | Carbon fiber arms and central plate; aerospace aluminum at high-stress points including motor mounts and landing gear hinges. |
| Motors | Custom-wound, high-torque brushless motors designed for continuous operation, sealed against dust and moisture. |
| Propeller material | Glass-fiber reinforced nylon. |
| Tether conductors and data core | Ultra-fine, high-purity copper power conductors and a single-mode optical fiber data core. |
| Tether strength member and jacket | Woven aramid fiber strength core, with Kevlar given as an example; polyurethane or other advanced polymer blend outer jacket. |
| Reel and slip-ring construction | Reinforced polymer reel and sealed slip-ring assembly with precious metal contacts. |
| Ground station enclosure | Die-cast aluminum. |
| Preflight maintenance | Preflight inspection required before every operation.Before each operation. |
| Periodic maintenance | Inspect motor bearings and critical airframe/ground station fasteners; clean electrical contacts; apply thread-locker where specified by the manual.Every 50 flight hours. |
| Major service interval | Major service, with the entire system recommended for an authorized service center.Every 300 flight hours or 12 months. |
| Tether handling requirement | Use the automated reel; manual winding can introduce cable-weakening twists and kinks. |
| Additional tether inspection | More frequent tether inspection recommended.Use in abrasive environments, such as sandy or dusty conditions. |
| Warranty limitation | Non-genuine parts void the product warranty.Use of non-genuine parts. |
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