Product Overview
GTT324 is a 324cc two‑cylinder 2‑stroke drone gasoline engine built for medium‑endurance civil UAV applications. It adopts mature carburetor fuel supply as standard configuration, with mechanical interfaces reserved for later EFI system retrofit. Featuring capacitor discharge ignition, integrated generator and lightweight body, this UAV engine balances compact size, strong thrust and reliable daily field performance. The included thrust‑torque curve provides clear reference for propeller matching work. Our engineering team can offer tailored modification services to satisfy various installation and environmental requirements for different UAV platforms.
Main Technical Specifications
| Item | Specifications |
|---|---|
| Displacement | 324cc (162cc*2) |
| RPM Operating Range | 1000‑6500 rpm |
| Recommended Propeller | 36×14, 36×16, 39×12 (Two‑blades) |
| Max Power | 28.5HP (21kW) @7100rpm |
| Generator Output | DC14V, 350W @5500rpm |
| Ignition System | Capacitor discharge ignition |
| Fuel Consumption | 530g/kW.h |
| Starting Mode & Voltage | Electric start, 22.2V (6S) |
| Cylinder Block | Aluminum alloy casting, inner wall electroplated Ni‑SiC |
| Dry Engine Weight | 11.5 kg |
| Max Tensile Force | 48.4 kg |
| Required Fuel | 95# gasoline + Fully synthetic 2‑stroke lubricating oil |
| Fuel‑Oil Mix Ratio | Gasoline : Lubricating oil = 35 : 1 |
Performance Characteristic
This drone gasoline engine exhibits progressive thrust‑torque output within 1000‑6500 rpm working zone. Maximum tensile force reaches 48.4 kg, meeting thrust requirements for many medium‑size civil UAV platforms. The capacitor discharge ignition maintains stable combustion under variable working conditions. At 5500 rpm, the built‑in generator provides steady 350W DC14V power for onboard equipment. Stock carburetor version works reliably for general‑altitude missions; retrofitting EFI will optimize fuel delivery for high‑altitude locations. Wear‑resistant cylinder hardware guarantees consistent performance over long flight hours.
Application Scenarios
This compact 2‑stroke gasoline engine is well‑suited for multiple civil‑focused UAV projects:
Medium‑endurance commercial UAV platforms
Industrial mapping, inspection and monitoring drones
Light‑duty agricultural UAV power systems
Medium‑size civil drone system integration
Custom light aviation power projects
Customized development service is available. We can adjust parameters, mounting interfaces and auxiliary structures according to customer‑specific integration requirements.
FAQ
What propeller suggestions do you have for the GTT324 UAV engine?
A: We recommend two‑blade propellers of 36×14, 36×16 and 39×12. Actual propeller selection should take your UAV’s total take‑off weight, expected cruise speed and typical working RPM into account for best efficiency.
What is the main benefit of capacitor discharge ignition on this drone gasoline engine?
A: Capacitor discharge ignition delivers powerful, consistent spark. It improves cold‑start performance, stabilizes engine idle, and helps maintain complete combustion across varying RPM, reducing misfire risks for long‑duration UAV flights.
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