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A: UAV(Unmanned aerial vehicle) also called drone, can be controlled by ground control station using optical images transmitted from the air. Most UAVs are launched by catapults, booster rockets,or taxi on a runway like traditional aircraft, or even take off vertically like a helicopter. As for landing, UAVs use parachutes, interception nets, or landing gear to land on the runway.
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2. Q: What are use of drones?
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A: Drones, also called UAV(Unmanned Aerial Vehicles), can be used in many various industries except for recreational use. They are used for surveillance, delivery, aerial photography, videography, infrastructure inspection(for bridge, subway, tunnel, mine, oilfield), crop protection and monitoring,search and rescue in the disasters, surveying and mapping, environmental monitoring, traffic monitoring, weather monitoring and anti-terrorism tasks.
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3. Q: What are the main type of UAV Drones?
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A: Multi-rotors UAVs: it includes quadcopters, hexacopters and octocopters. This is the most common type of drones for aerial photography, surveillance and inspection, it is ideal for hovering, maneuverability and stability.
Fixed-wing UAVs: Similar to airplanes with a fixed set of wings,capable of long-distance flights and endurance missions, it is commonly used in agriculture, surveying and mapping.
Single-rotor UAVs: Often used for heavy-lift application.
Hybrid UAVs: Combine features of fixed-wing and multi-rotor drones, cpable of vertical takeoff and efficient forward flight. It is used in delivery systems and advanced applications.
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4. Q: What is called Multi-rotor UAV(drone)?
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A: A multi-rotor drone also known as a multicopter or multirotor UAV, is an unmanned aerial vehicle that uses multiple rotors(typically three or more) for lift and propulsion. Unlike fixed-wing drones,they dont rely on wings for lift,and unlike single-rotor helicopters,they utilize multiple, often fixed-pitch, rotors for control. Common configurations include tricopters( 3 rotors), quadcopters( 4 rotors), hexacopters( 6 rotors), and octorcopters( 8 rotors).
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5. Q: What are features of Multi-rotor drone?
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A: Key features:
① Vertical takeoff and landing( VTOL)--- Multi-rotor drones can take off and land vertically, eliminating the need for a runway.
② Maneuverability: They excel at hovering, precise positioning, and navigating in confined spaces.
③ Simple mechanics: Fixed-pitch rotors simplify the mechanics compared to single or dual-rotor helicopters, making them easier to control by adjusting rotor speeds.
④ Versatility: Multi-rotor drones are widely used for aerial photography, surveillance, mapping, and inspections due to their maneuverability and stability.
⑤ Payload capability: While some configurations are better suited for heavier payloads, the number of rotors can influence lift capacity.
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6. Q: What is called Fixed-wing UAV?
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A: A fixed-wing drone is an unmanned aerial vehicle (UAV) that utilizes rigid, airplane-like wings to generate lift and maintain flight, similar to a traditional aircraft. Unlike multirotor drones, which use rotating propellers for lift, fixed-wing drones rely on forward motion and aerodynamic principles to stay airborne. This design allows them to cover large areas efficiently and stay aloft for extended periods, making them suitable for tasks like long-range mapping, surveillance, and infrastructure inspection.
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7. Q: What are features of Fixed-wing drone?
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A: Here are the key features of fixed-wing drone:
① Fixed wings:The defining feature is the presence of fixed wings that generate lift through the airflow as the drone moves forward.
② Forward flight: Fixed-wing drones require a runway or a similar launch method for takeoff and landing, as they cannot hover in place.
③ Aerodynamic efficiency: Their design allows for efficient flight, enabling them to cover large distances and stay airborne for extended durations.
④ Payload capacity: fixed-wing drones can typically carry heavier payloads compared to multirotor drones, making them suitable for carrying sensors and other equipment.
⑤ Longer flight times: they can fly for extended period, making them ideal for missions requiring long endurance.
⑥ Greater area coverage: their ability to cover large areas efficiently makes them suitable for mapping, surveillance, and other tasks requiring wide-scale data collection.
⑦ Higher payload capacity: they can carry heavier payloads, allowing for the use of more advanced sensors and equipment.
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8. Q : What are the applications for Fixed-wing drone?
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A: Fixed-wing UAV can applied to mapping and surveying, infrastructure inspection, environment monitoring, agriculture, disaster response, military and defense and scientific research.
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9. Q: What is called Single rotor UAV?
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A: A single rotor drone, also known as a single-rotor helicopter drone, is an unmanned aerial vehicle(UAV) htat uses a single large rotor for lift and thrust, similar to a traditional helicopter. It also features a smaller tail rotor to counteract torque and provide diectional control. This design allows for greater efficiency, heavier payload capacity, and longer flight times compared to multi-rotor drones.
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10. Q: What are features for Single rotor UAV?
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A: Here are the key features of single rotor UAV----
① Single main rotor: provides lift and forward thrust.
② Tail rotor: counteracts the torque generated by the main rotor and allows for directional control.
③ Helicopter-like design: resembles a traditional helicopter in apperance.
④ Potential for larger payloads: can carry heavier equipment and sensors.
⑤ Increased endurance: generally offers longer flight times than multi-rotor drones.
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11. Q: What are advantages and disadvantages of Single-rotor UAV
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A: Advantages---- Can carry more equipment and sensors; offers logner flight times than multi-rotor drones; can maintain stability in various conditions.
Disadvantages----can be more complex to design and operate; may be more expensive to purchase and maintain; larger blades can be more dangerous.
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12. Q: What are applications of Single rotor UAV?
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A: It applied to surveying and mapping, infrastructure inspections, search and rescue, agriculture and used in various industries for taskes requiring long flight times and heavy payloads.
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13. Q: What is called VTOL drone?
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A: A VTOL drone, which is stands for Vertical Take-off and Landing drone, is an unmanned aerial vehicle(UAV) that can take off and land vertically, similar to a helicopter, without needing a runway. Once airborne, it can transition into forward flight, similar to a fixed-wing aircraft. This dual capability makes VTOL drones highly versatile for various applications, especially in environments where traditional fixed-wing drones or helicopters might struggle.
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14. Q: What are features of VTOL drones?
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A: Here are the features as below:
① Vertical take-off and landing: This eliminates the need for runways or launch/recovery systems, allowing operation in confined or uneven spaces.
② Hybrid design: VTOL drones combine the vertical mobility of multirotor drones with the speed and efficiency of fixed-wing aircraft.
③ Versatility: They can perform a wide range of tasks, including mapping, surveying, surveillance, and delivery, in diverse environments.
④ Efficiency: VTOL drones can cover large areas efficiently, especially when transitioning to fixed-wing flight for longer distances.
⑤ Payload capacity: they can carry heavier payloads compared to traditional multirotor drones, making them suitable for more complex missions.
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15. Q: What are the applications for VTOL drones?
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A: VTOL drones are used in various industries, including urban logistics, agriculture, construction, military assaults, search and rescue missions.
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16. Q: Do you know any types of VTOL drones?
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A: Yes, here are 3 types of VTOL drones as below:
① Fixed-wing hybrid VTOL---These combine the characteristics of fixed-wing aircraft for efficient long-distrance flight and multirotor capabilities for vertical takeoff and landing.
② Tiltrotor VTOL---These utilize rotors that can tilt, allowing for both vertical and horizontal flight.
③ Helicopter-style VTOL----These drones use rotors for vertical lift and can hover, but also transition to forward flight.
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17. Q: What is called Micro Air Vehicle( MAV)?
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A: A micro air vehicle（MAV drone) is a class of man-portable miniature unmanned aerial vehicles whose size enables them to used in low-altitude, close-in support operations, often used for reconnaissance, surveillance, and other tasks in conifned spaces or dangerous environments.They are typically defined by size(e.g. no length dimension greater than 6 inches) and weight( less than 250g). Examples include small, remotely controlled aircraft used in research, military operations, or by hobbyists.
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18. Q: What are called Industrial Drones?
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A: Industrial drones are unmanned aerial vehicles(UAVs) designed and built for industrial purposes such as agriculture, construction, mining, oil and gas,mapping, firefighting, rescue, cleaning and logistics.Industrial drones are different from consumer drones in terms of size, payload capacity,durability, and autonomy. Industrial drones are larger and can carry heavier payloads, while also being built to withstand harsh environment to replace human beings to perform complex tasks. In contrast, consumer drones are smaller, less durable, and typically used for recreational purposes or simple tasks such as aerial photography.
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19. Q: How long is the lead time of your drones?
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A: Usually it will take 25-40 days to complete the production of the drone, which may vary depending on the customer’s order quantity, system configuration and workload. We will assess the exact delivery time after receiving your order.
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20. Q: What kinds of payment methods you can accept?
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A: Our payment methods are very flexible---- credit card, wire transfer, digital wallet( bitcoins) etc.
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21. Q: What are advantages of SPACE compare with other China drone suppliers?
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A: Here are our advantages compare with other drone suppliers:
① SPACE have a wide range of drone products can meet different customers’ requirements.
② Our drones are more competitive in the aspects of price, functions and after-sales service.
③ Our powerful R&D team will improve the performance of our drones and provide the best configurations under customer’s budget.
④ Small and flexible MOQ for all our UAV systems.
⑤ As long as we receive the complaint from the customer, we will be get in touch with the customer in 48 hours and solve the problem.
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22. Q: Do you have the smallest drone?
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A: The weight of our smallest drone as equal as an egg’s weight and only has 75g.
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23. Q: Do you have the drone which can be waterproof and wind resistant level reach class 7?
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A: Yes, we have a series of drones which can be fully waterproof and meet your demands.
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24. Q: What is your after-sales service for the drones?
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A: Our sales-service staff will give response in 48hours once the customer sent a complaint email or need our technical support. If any accessories of our UAV system was broken or damaged during transportation, we will make up new part to the customer and cover the delivery cost. If the customer need technical support of the drone, we will provide online support or send.
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25. Q: What are called consumer drones?
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A: Consumer drones, also known as personal or hobby drones, are unmanned aerial vehicles (UAVs) designed for recreational use and general consumers. They are typically used for photography, videography, and recreational flying. These drones are generally smaller, less expensive, and easier to operate than commercial drones, making them accessible to a wider audience.
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26. Q: What is an Agricultural spray drone?
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A: An agricultural spray drone, also known as an unmanned aerial vehicle(UAV), is used by agriculturalists to precisely apply pesticides, herbicides, and fertilizers to crops. Unlike traditional methods that rely on manual labor or large-scale machinery, these drones can be controlled by users at a considerable distance to keep people away from dangers of the pesticides, meanwhile, using drones can save water and pesticides.
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27. Q: What is firefighting drone?
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A: Firefighting drone is an unmanned aerial vehicle (UAV) equipped with technology to assist in fire-related emergencies. These drones can perform various functions like providing aerial surveillance, detecting fire hotspots, delivering fire retardants, and even aiding in search and rescue operations. They are particularly useful in situations where traditional methods are risky or ineffective, such as high-rise fires or wildfires.
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28. Q: What is FPV drone?
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A: FPV drone is also known as First-Person View drone, this type of drone allows the pilot to see what the drone sees in real-time through a camera on the drone that transmits a live video feed to the pilot’s headset or a screen. This allows the pilot to navigate and maneuver the drone based on the real-time video they are seeing.
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29. Q: How many types of FPV drones are there?
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A: FPV drones have several types which designed for specific purposes, including racing, freestyle, long-range flying, and cinematic applications. Here are the main categories as below:
① Racing FPV drones: it was made for speed and agility, racing FPV drones are designed to compete on high-speed courses with sharp turns and obstacles for adrehaline enthusiasts.
② Freestyle FPV drones: this was built for acrobatic flying and creative maneuvers, these drones are focus on durability and agility. This Freestyle FPV drone often used for creating dramatic and aerial footage and fly in open spaces or urban environments.
③ Long-range FPV drones: it was built for long-range videography, aerial surveys and exploration in remote areas.
④ Tiny Whoop drones: this drone is very small and light which suitable for indoor racing, training, and flying in obstacle-rich environments.
⑤ Toothpick FPV drones： it was built for acrobatic flight which is a popular type of small and lightweight drone, but the size is bigger than Tiny whoops drone.
⑥ Cinewhoop FPV drones: it belongs to a cinematic FPV drones which is suitable for smooth, precise indoor fliming, close-proximity shots in tight spaces.
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30. Q: What are called rescue drones?
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A: Rescue drones are the unmanned aerial vehicles (UAVs) equipped with state-of-the-art technology to assist in locating, assessing, and aiding individuals during emergencies. These drones are designed to operate in hazardous environments—such as disaster zones, rugged terrains, or floodwaters—where human access is impossible or very risky. Key features include high-resolution cameras, thermal imaging sensors, GPS tracking, and payload delivery systems. Rescue drones provide real-time data to first responders, enabling faster, safer, and more efficient operations.
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31. Q: What are the main parts of FPV drone system?
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A: Here are the main parts of FPV drone systems as below:
① The chassis: the chassis is the structure of the drone. Its purpose is to hold together the different parts that make it up. Its main function is to show durability and resistance to possible knocks and damage that the UAV may suffer.
② FPV system: FPV system is the main distinguishing feature of this type of drone. Consisting of a camera and a transistor, it is responsible for sending the signal and the resulting image to the person who is driving the drone on the ground.
③ FPV goggles: these are another main elements of this kind of drone. Thanks to the signal emitted by both the transmitter and the drone’s camera, the goggles show the operator the corresponding image. Depending on its quality, the image will be better or worse.
④ Remote control: remote control refers to the controls by which the operator on the ground operates the FPV drone. Generally, it consists of two levers from which the height and speed at which the UAV files is calculated. Its sensitively will depend on the FPV drone in question, but normally it has to be handled with care in order to ensure that the movement of the device is dynamic and fluid.
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32. Q: What are difference between consumer drones and commercial drones?
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A: Consumer drones are designed for recreational purposes, meaning without the intention to use the drone to make money. Commercial drones were made for specific jobs. These drones are applied to various industries ie. The agriculture, oil, energy, and filmmaking industry etc. These drones are usually more expensive as they are of a higher quality build, be it the material and design of the frame, purpose-built software or high-tech equipment which together contribute to a more efficient execution of tasks for the commercial operation.
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33. Q: What is called electro-optical(EO) pod?
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A: An electro-optical pod on a drone is a specialized part that houses cameras and sensors, just like the drone’s “eyes” for various missions like surveillance, targeting, and scout. These pods includes high-resolution visible light cameras, infrared cameras, and laser rangefinders, all working together to provide high-definition images,videos and data. The function of the electro-optical pod is to keep a stable line of sight of the target, especially when the drone is moving or experiencing disturbances.
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34. Q: What are called fiber optic drones?
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A: Fiber-optic drones are first-person-view(FPV) drones or loitering munitions connected to their operator by an ultra-thin fiber-optic cable rather than a radio link. These tethers, often stretching up to 20km or more, carry high-speed data that controls the drone and transmits video back to the pilot.
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35. Q: What is Electronic Speed Controller(ESC) in drone?
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A: An Electronic Speed Controller (ESC) is a vital component in a drone that acts as an intermediary between the battery and the motors, controlling the motor's speed and direction. It translates signals from the drone's flight controller into precise power adjustments, allowing the ESC to regulate the speed of each motor to enable stable flight, altitude control, and maneuverability.
Key Functions of an ESC:
① Signal Translation: The flight controller sends signals to the ESC, and the ESC converts these into precise electrical signals for the motor.
Motor Speed and Direction: By adjusting the power supplied, the ESC dictates the speed and direction of the drone's motors.
② Stability and Movement: The ability to independently control each motor's speed allows the ESC to manage the drone's altitude, pitch, roll, and yaw for stable flight and precise maneuvers.
③ Communication Bridge: The ESC establishes the necessary connection between the flight controller and the motors, especially for brushless motors.
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36. Q: What is flight controller in drone?
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A: A drone's flight controller is its central processing unit, or "brain," responsible for interpreting sensor data and pilot commands to control motor speeds and maintain stable flight. It acts as a hub, connecting onboard sensors like gyroscopes and accelerometers, GPS, and the remote control. By processing this information, the flight controller executes commands to ensure the drone moves and stabilizes as intended, enabling crucial functions like autonomous navigation and return-to-home.
Key components and functions:
① Microcontroller: The core computer on the board that performs stabilization and navigation calculations.
② Sensors: Essential for gathering data, including gyroscopes and accelerometers for orientation, and magnetometers and barometers for direction and altitude.
③ Firmware: The digital code that runs on the flight controller, containing the algorithms (like PID control) that dictate how the drone responds to commands and sensor input.
④ Connectivity: A central point where components such as the RC receiver, GPS, motors (via Electronic Speed Controllers), and other peripherals are connected.
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37. Q: What is a long endurance drone?
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A: A long-endurance drone is an unmanned aerial vehicle specifically engineered to maximize its flight time, allowing it to remain operational in the air for hours, without needing to land for refueling or recharging. While standard consumer or commercial drones might fly for 20-45minutes, long-endurance platform push these boundaries significantly, prioritizing time aloft over other metrics like speed or extreme maneuverability. These drones are engineered for missions requiring persistent surveillance, data collection, or communication relay,such as border security, environmental monitoring, or disaster rescue.
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38. Q：What are some common flight control systems for drones?
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A: Common flight control systems include autopilot software stacks like ArduPilot and PX4, firmware-based systems such as Betaflight and iNav, and hardware-based systems that use components like microprocessors, IMUs(gyroscopes and accelerometers), barometers, and GPS sensors. These systems provide stability, navigation, and automated functions for both manual and autonomous flight.
● ArduPilot: An open-source autopilot software stack used for autonomous flight, supporting multiple vehicle types like multirotors and fixed-wing aircraft.
● PX4 Flight Stack: A popular open-source flight control system for custom UAVs and autonomous applications.
● Betaflight: Open-source firmware primarily used for FPV racing and freestyle, offering high performance with limited autonomy features.
● iNav: Open-source firmware designed for FPV flying, with moderate autonomy features like GPS-based navigation and return-to-home.
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39. Q: What is called VTOL fixed wing drone?
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A: A VTOL fixed wing drone is a hybrid aircraft that integrated the vertical lift of a multirotor with the forward flight efficiency of a fixed-wing platform. These drone can take off and land vertically, then transition into fixed-wing flight for longer-range missions. Since they dont need a runway, they are ideal for operations in remote or rugged environments. The most striking features of a VTOL fixed wing drone are range and energy efficiency. By utilizing aerodynamic lift during cruising flight, these drones are capable of covering significantly greater distances and remaining airborne for extended periods compared to conventional multirotors—frequently carrying heavier payloads.
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40. Q: What are called multirotor VTOL drones?
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A: Multirotor VTOLs are unmanned aerial vehicles that resemble and function like conventional quadcopters, yet they are optimized for forward flight and extended missions. Unlike fixed-wing VTOLs, these drones lack wings—they depend solely on rotors for lift and propulsion, but are frequently designed to facilitate smoother and more efficient horizontal flight. These drones are particularly proficient in hovering and precise maneuverability, rendering them ideal for tasks that necessitate stable positioning or operation in restricted spaces. Typical applications encompass last-mile delivery, utility inspections, construction oversight, and tactical responses in urban settings.
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41. Q: What are called hybrid VTOL drones?
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A: Hybrid VTOL drones integrate the advantages of both fixed-wing and multirotor configurations, providing unparalleled versatility and performance.
They feature vertically aligned rotors for vertical takeoff, hovering, and landing, while effortlessly transitioning into fixed-wing mode with aerodynamic wings for efficient long-distance travel and increased endurance.
This dual-flight functionality enables hybrid VTOLs to function in restricted or challenging takeoff and landing areas without compromising range or flight duration.
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42. Q: Are VTOL drones better than quadcopters?
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A: VTOL drones and quadcopters fulfill distinct roles. VTOL drones provide the advantages of vertical takeoff along with extended fixed-wing flight capabilities, rendering them suitable for tasks such as mapping, delivery, and extensive area surveillance. In contrast, quadcopters are more straightforward, easier to operate, and are particularly effective for low-altitude hovering tasks, including aerial photography and detailed inspections. The optimal choice is contingent upon the specific requirements of your mission.
