Product overview
The GEPRC Tern-LR40 HD O3 Long Range FPV is a four-inch flight platform intended for long-range FPV flying and straight-line aerial photography. Its DC layout keeps the propellers outside the camera view, while the structure combines a 180mm wheelbase with aviation-grade 7075 aluminum parts. Plate thicknesses are 1.5mm at the top and bottom, 2.0mm in the middle, and 3.5mm at the arms. The O3 camera uses a silicone isolation pad to suppress high-frequency image distortion, and the fixed GPS sits above the frame to reduce onboard interference.
The installed electronics combine a Taker G4 45A AIO controller, 45A 8Bit ESC, O3 Air Unit and GEP-M10nano GPS. GEP-SPEEDX2 1404 3000KV motors drive HQProp T4X2.5Grey propellers. Receiver choices cover PNP, ELRS 2.4G, ELRS 915 and TBS Nano RX. A supplied GoPro mount provides an additional camera mounting option. The O3 PNP configuration weighs 180g±5g; recommended batteries are LiPo 4S 660mah-850mah or 18650 3000mah, using an XT30 connector. Flight time is specified as 10-25min without an associated battery or payload condition. The supplied equipment list contains no battery.
Specifications
| Specification | Value & conditions |
|---|---|
| Receiver options | PNP, ELRS 2.4G, ELRS 915, TBS Nano RX |
| Product architecture | 4-inch long-range FPV aircraft with a DC-type structure and aviation-grade 7075 aluminum parts. |
| Model | Tern-LR40 |
| Frame | Tern-LR40 Frame |
| Wheelbase | 180mm |
| Top plate | 1.5mm |
| Mid plate | 2.0mm |
| Bottom plate | 1.5mm |
| Arm thickness | 3.5mm |
| Flight controller | Taker G4 45A AIO |
| MCU | STM32G473CEU6 |
| Gyroscope | ICM 42688-P |
| OSD | Betaflight OSD w/AT7456E |
| ESC | 45A 8Bit ESC |
| Video transmitter | O3 Air Unit |
| Camera | O3 camera |
| Antenna | 5.8G&2.4G |
| Motors | GEP-SPEEDX2 1404 3000KV |
| Connector | XT30 |
| Propellers | HQProp T4X2.5Grey (2CW+2CCW) |
| Weight | 180g±5gO3 PNP version. |
| Receiver configurations | PNP/GEPRC ELRS24/GEPRC ELRS915/TBS Nano RX |
| Recommended battery | LiPo 4S 660mah-850mah/18650 3000mah |
| Flight time | 10-25min |
| Camera view and intended photography | DC structure keeps propellers out of the flight camera view and suits straight-line aerial photography. |
| GPS installation | Fixed, top-mounted GPS placement is intended to reduce onboard electromagnetic interference affecting flight and rescue operation. |
| GPS module | GEP-M10nano GPS with rescue mode. |
| Camera vibration isolation | Silicone camera shock-absorbing pad intended to suppress high-frequency image distortion.O3 camera. |
| Battery alarm provision | BB ring installation provides for a battery low-voltage alarm. |
| Supplied configuration and accessories | Flight platform with 1 x Tern-LR40; 2 x HQProp T4X2.5Grey (2CW+2CCW); 2 x battery anti-slip mat; 1 x screw pack; 4 x battery strap M15*170mm; 1 x L-shaped screwdriver 1.5mm; 1 x GoPro camera mount holder; 1 x T-type antenna mount; 1 x RC Printed. |
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