LN140 Agricultural Plant Protection Drone
Linnuo Technology's LN140 agricultural unmanned aerial vehicle has seen a significant improvement in performance, with iterative updates based on the LN140Pro. Optimization has been made in areas such as spraying, sowing, image transmission, avionics control, and power to meet multi scenario operations, making crop protection more precise, safe, and efficient, reducing costs and increasing efficiency, and providing strong support for agricultural operations.
Overview of core parameters
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（1）Flight parameters |
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1.Structural layout |
Six axis layout, safe and stable |
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2.Overall dimensions |
2152x2085x877mm (arm deployed, blade deployed) |
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3. Maximum wheelbase |
2160mm |
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4. Maximum takeoff weight |
Spraying 88kg/sowing 97kg |
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5. Empty weight (including battery) |
48KG |
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6. Medicine chest capacity |
40.5L |
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7. Container capacity |
60L |
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8. RTK positioning |
Horizontal ± 10 cm, vertical ± 10 cm |
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9. No-load hover time |
18.9min |
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10. Full-load hover time |
7.9min |
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（2）Power system |
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1. Motor KV value |
65(r/min)・V |
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2. Motor size |
109*50mm |
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3. Rated power of motor |
2000w*6 |
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4. Rated speed |
2700r/min |
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5. Main rotor diameter |
1028mm |
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6. Number of main rotors |
6 |
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7. Main rotor material |
Mixed carbon nylon material |
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（3）Energy System - Smart Battery |
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1. Battery type |
ZAB1830 Secondary Lithium ion Battery Pack
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2. Charging voltage |
78.3V |
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3. Charging current |
90A |
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4. Battery energy |
2100Wh |
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5. Single cell voltage |
3.8V |
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6. Number of battery cells |
18 |
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7. Battery voltage |
68.4V |
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8. Charging temperature |
5-65 ° C/Discharge temperature: -20~60 ° C |
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9. Battery weight |
13.3KG |
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10. Battery installation method |
Quick-release battery |
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11. Fast charging time |
30% -95% for approximately 11 minutes |
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12.Single cell spraying efficiency |
80L/battery (2.8L/acre usage) or 46 acres/battery (1.5 liters/acre usage) |
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13.Single cell seeding efficiency |
Maximum 350KG/battery (25KG/acre usage) |
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（4）Energy System - Smart Charger |
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1. Charger model |
HE202 Universal Charger
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2. Charger input voltage |
100V-130V、200V-240V、380V |
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3. Input frequency range |
47Hz~63Hz |
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4. Conversion efficiency |
92% |
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5. Output power |
8500W (generator direct connection)/2000W (mains direct connection) |
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6.Output channel |
2 |
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6. Protection functions |
Over temperature, over voltage, under voltage, and short circuit protection functions |
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7. Operating ambient temperature |
-5℃~40℃ |
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8. Weight |
15.1KG |
| （5）Energy System - Fuel Charging | |
| 1.AC input interface |
50A, 10A interface |
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2.USB port |
1 |
| 3.Output power | 1. AC output 220V/8000W 2. AC output 220V/2200W |
| 4.Fuel tank capacity |
38L |
| 5.Reference fuel consumption |
500ml/kWh |
| 6.Net weight |
95KG |
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（6）Operating System - Spraying System |
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1. Medicine chest capacity |
40.5L |
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2. Nozzle type |
Centrifugal nozzle |
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3. Total number of nozzles |
Centrifugal nozzle 2(Base configuration) / 4(Optional configuration)
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4. Maximum spray amplitude |
10 meters (working height 3.5 meters ± 0.5 meters, flying speed 3m/s) |
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5. Atomized particle size |
Centrifugal nozzle 50 μ m-500 μ m |
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6. Pump type |
Magnetic impeller pump |
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7.Single pump flow rate |
14L/Min |
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8. Number of water pumps |
2 |
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9. Maximum flow rate |
24L/Min two centrifugation 32L/Min four centrifugation |
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（7）Operating System - Spreading System |
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1. Spreading tank volume |
60L |
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2. Maximum load |
50KG |
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3. Supported particle diameter |
0.5-6mm dry solid particles |
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4. Maximum speed of the turntable |
1100r/min |
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5. Maximum rotational speed |
1100r/Min |
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6. Spread the banner |
4~9m |
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7. Broadcasting method |
Dial type |
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（8）Remote control system |
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1. Data transmission and positioning |
LTE-FDD: B1/B3/B5/B8 LTE-TDD: B34/B38/B39/B40/B41 WCDMA: B1/B8 EVDO/CDMA: BC0 GSM: 900/1800 MHz WLAN: 2.4/5 GHz 802.11a/b/g/n Bluetooth: BT 2.1+EDR/3.0/4.1 LE/4.2 BLE GNSS: GPS/BeiDou/GLONASS/Galileo LORA：6-10km |
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2. Image transmission |
2.4/5.8G dual-band |
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3. Dotting tool |
GNSS: GPS/BeiDou/GLONASS |
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4. Monitor |
6-inch touch screen LCD display with a resolution of 1280 * 720 |
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5. Operating temperature |
-20~50℃ |
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6. Charging ambient temperature |
0~45℃ |
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7. Internal battery life |
5 hours |
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8. External battery life |
2 hours |
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9. Number of external batteries |
2 |
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10. Total endurance time |
>9 hours |
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11. Charging power |
External: 42W/12V/3.5A Internal: 15W/5V/3A |
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12. Charging method |
External: Charging dock Internal: TYPE-C |
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（9）Sensing system - camera |
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1. Front |
FPV camera |
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2.Maximum resolution |
1920*1080 |
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（10）Sensing System-Radar |
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1. Height range |
Height measurement range: 1-60m Fixed height range: 0.5-30mNumber of targets: Single target |
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2.Avoidance range |
Obstacle avoidance distance (horizontal): 0.5-60m Perspective range (3db): Horizontal 50 °, Vertical 10 °Usage conditions: The relative altitude of the aircraft during flight is higher than 2m and the speed is less than 7m/s Safe distance: 2.5m (the distance between the propeller tip and the obstacle after the aircraft brakes and stabilizes hovering) Target quantity: 32 |
