SW220B EFI‑Equipped Four‑Cylinder Air‑Cooled UAV Gasoline Engine for Large‑Scale Commercial VTOL & Fixed‑Wing Drones

  1. Intelligent EFI Fuel Control System: This UAV gasoline engine integrates an electronic fuel injection module with altitude compensation algorithm. The drone gasoline engine automatically adjusts air‑fuel ratio with height variation, removing frequent manual carburetor calibration work for operators.
  2. Multi‑Cylinder Balanced Vibration Suppression: Optimized horizontally‑opposed four‑cylinder layout greatly lowers mechanical oscillation. The UAV engine maintains smooth running status even under maximum power output, protecting high‑precision LiDAR, mapping cameras and airborne sensing payloads.
  3. High‑Level Continuous Power Output: Sustained high horsepower output supports large take‑off weight platforms. This drone gasoline engine suits heavy‑payload lift‑off, rapid climbing and long‑duration cruising cycles for commercial UAV fleets.
  4. Built‑In High‑Power Generating Module: Integrated permanent‑magnet generator supplies stable DC power for onboard flight controllers, sensors and auxiliary equipment. No extra independent generator hardware is required for this UAV gasoline engine.
  5. Broad Environmental Adaptability: The EFI system enables reliable cold start under low‑temperature conditions. This UAV engine runs steadily in high‑altitude mountain zones, hot arid regions and humid coastal working sites.
  6. Streamlined Integration & Expandable Interface: Reserved standardized signal and mechanical mounting ports simplify airframe matching. System integrators can connect autopilot throttle signals directly without large‑scale mechanical modification for the drone gasoline engine.
  7. Strict Factory Validation Workflow: Every finished UAV gasoline engine passes long‑duration bench aging test, variable‑altitude simulation test and full‑load runtime inspection to secure consistent field‑use reliability.

Detailed Product Description
Our four‑cylinder air‑cooled EFI UAV gasoline engine addresses major pain points of traditional carburetor‑type drone power units: frequent manual tuning, unstable startup in low‑temperature and high‑altitude conditions, and inconsistent fuel efficiency during variable‑altitude flight. This drone gasoline engine brings intelligent fuel management for professional commercial UAV operators who pursue stable, low‑maintenance propulsion performance.

Core structural components of this UAV engine adopt high‑strength aviation‑grade aluminum alloy and forged crankshaft. Key friction surfaces receive special wear‑resistant treatment to extend total service life under cyclic heavy‑load commercial missions. Each unit is fully inspected before shipment to avoid idling jitter and power drop risks in real‑world drone flights.

The supporting ECU unit of this UAV gasoline engine executes real‑time calculation based on ambient temperature, air pressure and throttle position. It automatically optimizes fuel supply volume, achieving obvious fuel‑saving effect compared with carbureted drone gasoline engine solutions. The integrated air‑cooled heat dissipation structure keeps proper working temperature even during continuous high‑power cruising for large UAV platforms.

This drone gasoline engine fits multiple civilian commercial application scenarios: ultra‑large area aerial topographic mapping, long‑distance power transmission corridor inspection, large‑volume aerial crop treatment, reservoir and coastal zone environmental monitoring, and long‑range civilian cargo transportation. It works well for both heavy‑lift VTOL drones and large fixed‑wing UAV after proper structural matching.

Different from hobby‑grade multi‑cylinder power products, this UAV gasoline engine is oriented toward fleet‑level commercial operations. It reserves data feedback interfaces, allowing ground stations to obtain engine runtime data such as rotating speed, working temperature and fuel consumption. Operators can implement condition monitoring and predictive maintenance for every UAV engine within their fleet.UAV gasoline engine

Full Technical Specification Sheet

Parameter ItemSpecification Value
Product ClassificationFour‑Cylinder Air‑Cooled EFI UAV Gasoline Engine
Nominal Displacement360 cc
Max Continuous Output Power24.5 HP
Functional RPM Operating Window1400‑7200 RPM
Recommended Fuel GradePremium unleaded gasoline matched with dedicated synthetic two‑stroke lubricant
Dry Main‑Engine Weight8.7 kg
Ignition & Fuel SupplyCDI Synchronized Ignition + Electronic Fuel Injection with altitude compensation
Suggested Propeller Size34‑38 inch
Usable Operating Altitude0‑5500 m
Built‑In Generator Output28 V / 850 W

Commercial Application Fields
Large‑scale fixed‑wing UAV long‑range topographic survey and 3D mapping

Heavy‑duty VTOL drone heavy payload lifting and material delivery

Long‑distance power grid, pipeline and coastal engineering visual inspection

Large‑area farmland, wetland and forest zone aerial monitoring & plant protection

Complex plateau and mountain area commercial UAV tasks lacking ground‑based charging infrastructure

Frequently Asked Questions (FAQ Section)
Q1: Is professional ECU calibration required before operating this EFI drone gasoline engine?

A1: This UAV gasoline engine leaves the factory with pre‑optimized baseline parameters covering most common altitude and temperature ranges. Direct installation and flight are available for general missions. Fine‑tuning on ECU parameters is only suggested for special extreme‑environment projects, and you can refer to our official debugging guide for your UAV engine.

Q2: What status data can be exported from this drone gasoline engine for ground‑station monitoring?

A2: This UAV gasoline engine supports output of real‑time data including engine RPM, cylinder working temperature, fuel consumption rate and generator output voltage. You can link these signals to your UAV flight control and ground‑station system. Real‑time data helps operators spot abnormal conditions early and prevent unexpected shutdown of the drone gasoline engine during missions.

Online Consultation

Please fill out the form below and we will contact you as soon as possible