SW240B Horizontally‑Opposed Twin‑Cylinder Carbureted UAV Gasoline Engine For Mid‑Size Commercial VTOL & Fixed‑Wing Drones

  1. Boxer Opposed‑Twin Low‑Vibration Architecture: This UAV gasoline engine adopts horizontally‑opposed twin‑cylinder mechanical layout. Counter‑moving pistons cancel most primary vibration, letting the drone gasoline engine run smoothly to protect survey cameras and airborne sensor payloads.
  2. Cost‑Optimized Carburetor Fuel System: Mature carburetor configuration reduces overall unit cost and lowers repair threshold. Operators can complete field tuning without specialized ECU programming tools for this UAV engine.
  3. Excellent Throttle Linearity: Carefully calibrated intake manifold delivers predictable power response across full RPM band. The drone gasoline engine performs reliably during climb, cruise and hover transition phases for VTOL UAV platforms.
  4. Compact Outer Dimensions: The flat opposed‑twin profile occupies limited internal airframe space, simplifying cowling and fuselage layout work when integrating this UAV gasoline engine into existing drone designs.
  5. Optional Integrated Onboard Generator: The drone gasoline engine supports add‑on alternator assembly to supply power for flight controllers, lighting modules and auxiliary onboard devices, removing extra standalone power hardware.
  6. Wide Climate Adaptability: This UAV engine tolerates high‑humidity coastal conditions and hot summer field environments. Routine carburetor adjustment adapts the UAV gasoline engine for different altitude zones.
  7. Easy Field Maintainability: Standard commercial‑off‑the‑shelf wearing parts are adopted. Operators can source spark plugs, gaskets and filter components globally to keep fleet operating costs under control.

Detailed Product Description
Our horizontally‑opposed twin‑cylinder carbureted UAV gasoline engine targets mid‑size commercial drone integrators seeking dependable propulsion without high EFI system premiums. Many mid‑range commercial UAV missions such as regional mapping and routine facility inspection do not require full electronic fuel injection; this drone gasoline engine delivers stable performance with simpler mechanical structure and lower entry‑level investment.

Key moving assemblies of this UAV engine use precision forged crankshaft and surface‑reinforced cylinder liners. Every finished drone gasoline engine undergoes multi‑hour bench aging test covering idle, partial‑throttle and peak‑power cycles before shipment, screening out units with unstable idling or power fluctuation.

The dual‑cylinder synchronous ignition system ensures consistent combustion inside both chambers of this UAV gasoline engine. The air‑cooled fin structure provides effective heat dissipation during extended cruise flight. Multiple mounting hole patterns are reserved, so integrators can fit the drone gasoline engine to diverse VTOL and fixed‑wing airframes without heavy structural redesign.

This UAV gasoline engine fits various civilian commercial assignments: medium‑scale land resource mapping, transmission line segment inspection, orchard crop monitoring, reservoir perimeter patrol and short‑range light‑weight material transport. It is compatible with both fixed‑wing UAV and hybrid VTOL drone platforms after minor mechanical matching work.

Unlike hobby‑grade opposed twin power units, this drone gasoline engine is tuned for continuous commercial cyclic usage rather than short‑time demonstration flights. Vibration‑isolated mounting points reduce stress transfer to the drone fuselage, slowing down airframe fatigue for long‑term fleet deployment of this UAV engine.UAV engine

Full Technical Specification Sheet

Parameter ItemSpecification Value
Product ClassificationHorizontally‑Opposed Twin‑Cylinder Air‑Cooled Carbureted UAV Gasoline Engine
Nominal Displacement275 cc
Max Continuous Output Power18 HP
Functional RPM Operating Window1600‑6900 RPM
Recommended Fuel MixtureUnleaded gasoline blended with high‑grade synthetic two‑stroke lubricant
Dry Main‑Engine Weight5.4 kg
Ignition SolutionDual‑cylinder synchronized CDI ignition
Suggested Propeller Specification29‑33 inch
Usable Operating Altitude0‑4300 m
Optional Generator Output14 V / 400 W

Commercial Application Fields
Mid‑range fixed‑wing UAV regional topographic mapping and image acquisition

Hybrid VTOL drone medium‑payload lifting and field survey missions

Power‑line segment, water‑conservancy facility routine visual inspection

Orchard, farmland and river basin large‑area aerial monitoring

Remote‑site commercial drone projects with limited on‑site technical support

Frequently Asked Questions (FAQ Section)
Q1: How should I tune the carburetor of this drone gasoline engine for high‑altitude locations?

A1: When operating this UAV gasoline engine above 2500 m altitude, slightly lean the main fuel needle of the carburetor to adapt thinner air. Complete ground run‑up test before actual flight. If rough idling or power drop occurs, make small incremental adjustments. Please refer to our official operation manual for your UAV engine.

Q2: Can this UAV gasoline engine work together with aftermarket electric‑start kits?

A2: Yes. This drone gasoline engine reserves mechanical interfaces for optional electric‑starter installation. Adding an electric starter simplifies cold‑weather startup operations for the UAV gasoline engine. Confirm the starter‑kit torque rating matches the engine specification to avoid gear damage for your UAV engine.

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