Product overview
The RadioLink LD-B20 is a 200mm brushless aircraft for drone soccer training and competition, including F9A-B and U.S. 20cm gameplay. Its fully enclosed protective frame combines modified polypropylene with a hollowed, rib-reinforced structure and a 2.5mm herringbone carbon plate. Five front-facing stress points carry eight layers of ABS reinforcement. For venue planning, the recommended competition cage for 200mm aircraft measures 6 × 3 × 3 meters. The enclosed architecture places protection around the propulsion system for the repeated contact associated with drone soccer.
The installed equipment includes a RadioLink APM flight controller, integrated 40A four-in-one ESC, SZ-SPEED 1507-4000KV brushless motors and Gemfan 2.8-inch (2828) propellers. Power comes from a Gensace 4S 850mAh 40C LiPo battery. Takeoff weight is 286g; flight time is 5–6 minutes and control distance is 3000 meters under good flight conditions. Flight control parameters are adjustable, and the default Stabilize and Turtle modes provide stabilization and self-righting after a flip. A detachable RGB strip contains 16 LEDs, with seven colors, programmable effects and an accompanying tail light.
The supplied flight platform includes a blue/red LD-B20, T12D transmitter, flight battery and Gensace B6 60W 5A charger for 2–4S batteries. The package also contains a Type-C upgrade cable, 1.5mm hex wrench, spare hook and spring, ELRS receiver connection cable, 18650 lithium battery case adapter cable and carrying bag. Battery voltage is displayed on the transmitter, which sounds a warning below 14.7V; the aircraft automatically lands at 14V to prevent over-discharge. The CM210 dedicated 2S transmitter battery charger and CB86-PLUS 1–6S balance charger are optional accessories.
Specifications
| Specification | Value & conditions |
|---|---|
| Product type and size | RadioLink LD-B20, 200mm brushless drone soccer aircraft. |
| Protective enclosure | Fully enclosed protective frame with 360° shielding. |
| Structural architecture | Hollowed, rib-reinforced structure with a 2.5 millimeters herringbone carbon plate. |
| Impact reinforcement | Five front-facing stress points reinforced with 8 layers of ABS armor. |
| Frame material | Modified polypropylene. |
| Flight controller | RadioLink APM flight controller. |
| Electronic speed controller | RadioLink integrated 40A 4-in-1 ESC, all-in-one stack. |
| Motors | SZ-SPEED 1507-4000KV brushless motors. |
| Propellers | Gemfan 2.8-inch (2828) propellers. |
| Flight battery | Gensace 4S 850mAh 40C LiPo battery. |
| Takeoff weight | 286g.Flight data tested in a good flight environment. |
| Flight time | 5–6 minutes.Flight data tested in a good flight environment. |
| Control distance | 3000 meters.Flight data tested in a good flight environment. |
| Working modes | Default Stabilize Mode and Turtle Mode; Turtle Mode helps the aircraft self-right after flipping over. |
| Flight control adjustment | Tunable flight control parameters with a high-dynamic attitude algorithm. |
| Radio communication | Proprietary pseudo-random frequency hopping combined with RadioLink's wireless communication algorithm. |
| Battery monitoring and warning | Real-time battery voltage monitoring on the transmitter; audible warning below 14.7V.Drone battery voltage below 14.7V. |
| Automatic low-voltage landing | Automatic landing at 14V to prevent over-discharge.Drone battery voltage reaches 14V. |
| Lighting | Integrated, detachable 16-LED RGB strip plus tail light; programmable effects and seven colors: red, green, blue, yellow, purple, cyan and white. |
| Included charger | Gensace B6 charger, 60W, 5A, 2–4S.Standard configuration. |
| Transmitter battery charger option | RadioLink CM210 dedicated 2S transmitter battery charger.Optional, expandable accessory. |
| Balance charger option | RadioLink CB86-PLUS supporting 1–6S multi-type battery balance charging.Optional, expandable accessory. |
| International arena dimensions | 14 × 7 × 5 meters. |
| Recommended cage dimensions | 6 × 3 × 3 meters.Recommended competition cage for 200mm drone soccer aircraft. |
| Applicable competition formats | FAI World Drone Soccer Championships (F9A-B), Volume F9 Drone Sports (F9A-B Provisional class), and U.S. Drone Soccer (20cm Drone Soccer Gameplay). |
| Aircraft, transmitter and power equipment | One blue/red LD-B20 aircraft, one T12D transmitter, one Gensace 4S 850mAh battery and one Gensace B6 2–4S charger; equipped flight platform.Supplied package. |
| Maintenance and upgrade accessories | One Type-C upgrade cable, one 1.5mm hex wrench, and one spare hook-and-spring item.Supplied package. |
| Connection accessories | One ELRS receiver connection cable and one battery case adapter cable for 18650 lithium batteries.Supplied package. |
| Carrying bag | One package bag.Supplied package. |
| Equipment storage features | Case interior lined with thick, high-density foam padding. |
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