SW300B Compact Single‑Cylinder Air‑Cooled Two‑Stroke UAV Gasoline Engine For Light‑Payload Small‑Scale Commercial Drones

  1. Ultra‑Light Compact Form Factor: This UAV gasoline engine adopts high‑strength lightweight alloy construction. Small overall footprint and low dry weight reduce dead load for light‑weight drone airframes, leaving more available payload capacity for sensors and cameras.
  2. High Power‑to‑Weight Performance: Optimized two‑stroke combustion chamber design enables strong power output at low overall mass. The drone gasoline engine provides sufficient thrust for take‑off, climbing and steady cruising of small commercial UAV systems.
  3. Quick Cold‑Start Capability: Tuned carburetor assembly and stable CDI ignition system support reliable startup under low‑temperature outdoor conditions. The UAV engine minimizes pre‑flight preparation time for field operation teams.
  4. Simple Mechanical Structure & Low Failure Risk: Fewer moving parts compared with multi‑cylinder units. This drone gasoline engine lowers component failure probability and reduces technical barriers for daily operation and troubleshooting.
  5. Broad Compatibility For Small UAV Frames: Multiple standard mounting hole layouts are reserved. Integrators can install this UAV gasoline engine on various custom‑built small fixed‑wing and light hybrid VTOL drone platforms without large‑scale structural redesign.
  6. Strong Environmental Adaptability: The drone gasoline engine works steadily under high‑humidity coastal zones, dry hot zones and mid‑altitude mountain areas. Minor carburetor adjustments adapt the UAV engine for changing ambient air pressure.
  7. Low‑Cost Global Sourcing Of Spare Parts: Common‑specification wearable components including spark plugs, gaskets and filter elements are widely available worldwide, cutting long‑term fleet operating expenditure.

Detailed Product Description
Our compact single‑cylinder two‑stroke UAV gasoline engine is specially developed for light‑duty commercial drone projects. Many small‑scale civilian UAV applications such as local environmental monitoring and small‑area aerial photography cannot afford bulky multi‑cylinder power systems; this drone gasoline engine balances lightweight dimension, stable power and competitive procurement cost for system integrators.

Core moving assemblies of this UAV engine use precision‑machined crankshaft and wear‑resistant cylinder liner. Every finished drone gasoline engine passes strict bench testing including idling stability inspection, partial‑throttle cycle test and continuous runtime aging before delivery, screening unstable units before leaving factory.

The matched precision carburetor realizes responsive throttle control. The air‑cooled fin structure completes heat dissipation relying on incoming flight airflow. Standard PWM throttle signal interface supports direct connection with mainstream autopilot hardware, shortening debugging cycles for teams building custom small UAV solutions.

This UAV gasoline engine fits multiple civilian light‑payload scenarios: small‑area topographic mapping, urban perimeter environmental monitoring, reservoir shoreline inspection, farm plot crop condition observation, and short‑range lightweight sample transport. It is widely adapted for small fixed‑wing UAV and light‑weight hybrid VTOL drone platforms.

Different from hobby‑grade model gasoline engines, this drone gasoline engine is optimized for repeated cyclic commercial field work instead of short demonstration flights. Key friction components receive special surface hardening treatment to extend service life under continuous outdoor mission cycles of this UAV engine.UAV engine

Full Technical Specification Sheet

Parameter ItemSpecification Value
Product ClassificationSingle‑Cylinder Air‑Cooled Two‑Stroke UAV Gasoline Engine
Nominal Displacement110 cc
Max Continuous Output Power7.8 HP
Functional RPM Operating Window1800‑7100 RPM
Recommended Fuel MixtureUnleaded gasoline mixed with high‑quality synthetic two‑stroke lubricant oil
Dry Main‑Engine Weight2.1 kg
Ignition SolutionCapacitor Discharge Ignition (CDI)
Suggested Propeller Specification22‑26 inch
Usable Operating Altitude0‑4000 m
Optional Generator Output12 V / 220 W

Commercial Application Fields
Small fixed‑wing UAV local‑range aerial mapping and image acquisition

Light‑weight hybrid VTOL drone environmental monitoring and site survey

Urban, river and reservoir perimeter routine visual inspection

Small‑plot farmland and orchard aerial observation

Short‑range lightweight material delivery for remote civilian sites

Frequently Asked Questions (FAQ Section)
Q1: What fuel‑oil mixing ratio should I follow for this drone gasoline engine?

A1: For the initial break‑in period of this UAV gasoline engine, maintain a gasoline‑to‑two‑stroke‑oil mixing ratio of 30:1. After finishing break‑in cycles, adjust the ratio to 45:1. Always choose high‑grade fully synthetic two‑stroke lubricant for your UAV engine; poor‑quality lubricant will accelerate internal component abrasion and shorten the service life of the drone gasoline engine.

Q2: Can this UAV gasoline engine run continuously for multiple missions back‑to‑back?

A2: This drone gasoline engine supports continuous runtime within its rated power range. After completing 2‑3 consecutive long‑time flights, allow 8‑12 minutes of cool‑down time on ground for the UAV gasoline engine. Inspect the air filter and cylinder temperature before restarting to avoid overheating‑related wear for the UAV engine. Do not keep running the engine if obvious overheating symptoms appear.

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