Product overview
The RadioLink LD-B20 is a 200mm brushless aircraft for drone soccer training and competition. Its enclosed protective frame surrounds the propellers, combining modified polypropylene with a hollowed, rib-reinforced structure and a 2.5mm herringbone carbon plate. Five front-facing stress points receive eight layers of ABS reinforcement. The integrated propulsion and control equipment includes an APM flight controller, a 40A four-in-one ESC, SZ-SPEED 1507-4000KV motors and Gemfan 2.8-inch propellers. A detachable RGB strip and tail light provide programmable visual identification. For venue planning, the recommended cage for this aircraft size measures 6 × 3 × 3 meters.
The supplied configuration includes one LD-B20, a T12D transmitter, a Gensace 4S 850mAh battery, a B6 charger, connection cables, tools, spare hardware and a carrying bag. It is an equipped flight platform rather than an airframe-only kit. Takeoff weight is 286g, with 5–6 minutes of flight time and a 3000-meter control distance under good flight conditions. Stabilize and Turtle modes support normal flight and self-righting. Battery monitoring triggers a transmitter warning below 14.7V and automatic landing at 14V. The standard charger supports 2–4S batteries; CM210 and CB86-PLUS chargers are optional accessories.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | RadioLink LD-B20 brushless drone soccer aircraft. |
| Aircraft size class | 200mm. |
| Protective architecture | Fully enclosed protective frame with 360° shielding. |
| Structural design | 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 with reinforced thickness. |
| 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. |
| Flight measurement environment | Flight data measured in a good flight environment. |
| Flight modes | Switchable Stabilize Mode and Turtle Mode; Turtle Mode supports self-righting after overturning.Default working modes. |
| Control tuning | Adjustable flight-control parameters with a high-dynamic attitude algorithm. |
| Radio communication | Proprietary pseudo-random frequency hopping and RadioLink wireless communication algorithm. |
| Low-voltage warning | Transmitter displays battery voltage in real time and emits a beeping alarm below 14.7V.Drone battery voltage below 14.7V. |
| Automatic low-voltage landing | Automatic landing at 14V to prevent battery over-discharge.Drone battery voltage reaches 14V. |
| Lighting | Detachable 16-LED RGB strip with red, green, blue, yellow, purple, cyan and white, plus a tail light and programmable effects. |
| Flight battery charger | Gensace B6 charger, 60W, 5A, 2–4S.Standard configuration. |
| Optional transmitter charger | RadioLink CM210 dedicated 2S transmitter battery charger.Optional, expandable accessory; for a 2S transmitter battery. |
| Optional balance charger | RadioLink CB86-PLUS supports 1–6S multi-type battery balance charging.Optional, expandable accessory. |
| Aircraft and transmitter quantities | One blue/red LD-B20 soccer drone and one T12D transmitter; supplied as a flight platform with electronics rather than an airframe-only kit.Supplied package. |
| Battery and charger quantities | One Gensace 4S 850mAh battery and one Gensace B6 2–4S charger.Supplied package. |
| Tools and spare hardware | One Type-C upgrade cable, one 1.5mm hex wrench and one spare hook-and-spring item.Supplied package. |
| Connection accessories and bag | One ELRS receiver connection cable, one battery-case adapter cable for 18650 lithium batteries and one package bag.Supplied package. |
| Carrying case features | Dustproof and waterproof carrying backpack with thick high-density foam padding, a name-tag slot, and hand-carry or cross-body carrying options. |
| Venue space | International drone soccer arena dimensions: 14 × 7 × 5 meters; recommended competition cage for 200mm aircraft: 6 × 3 × 3 meters.Recommended competition cage size applies to 200mm drone soccer aircraft. |
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