Through strategic cooperation with VastArrive Aero Engine, VastArrive delivers UAV engine solutions based on proven aviation-grade piston engine platforms. These engines are lightweight, reliable, and widely used in recreational aviation, competitive sport flying, and agricultural crop protection.
Key Parameters Comparison
Key performance parameters are derived from VastArrive Aero Engine baseline specifications.
| Item No. | VA-EN300 | VA-EN500 | VA-EN500I | VA-EN520T | VA-EN520TI | VA-EN550TI |
| Displacement (ml) | 1211 | 1352 | 1352 | 1211 | 1211 | 1417 |
| Dimension (mm) | 670×580×420 | 670×580×420 | 630×580×425 | 670×580×540 | 620×580×580 | 670×580×580 |
| Dry Weight (kg) | 62.3 | 60.8/134.0 | 62.6 | 74.5 | 76.2 | 81.5±1/179+2 |
| Maximum Power (kW/(r/min) | 59.6/5800 | 73.5/5800 | 73.5/5800 | 84.5/5800 | 82.5/5800 | 104/5800 |
| Maximum Continuous Power (kW/(r/min) | 58/5500 | 68/5500 | 69/5500 | 73.5/5500 | 71.5/5500 | 99/5500 |
| Power Weight Ratio (kW/kg) | 0.96 | 1.16 | 1.2 | 0.25 | 1.08 | 1.28 |
| Power Supply | 0.25 | – | 1.17 | 1.13 | 1.2 | – |
| Compression Ratio | 9:1 | 11:1 | 11:1 | 9:1 | 9:1 | 9.8:1 |
| Electrical Starter | ● | ● | ● | ● | ● | ● |
| Ignition | Dual Capacitor Ignition | Dual capacitor ignition | Digital Dual Ignition | Dual capacitor ignition | Digital Dual Ignition | Digital dual ignition |
| Fuel Supply Mode | Carburetor | Carburetor | EFI | Carburetor | EFI | EFI |
| 95#Gasoline | ● | ● | ● | ● | ● | ● |
| Water-cooled (cylinder head) Air-cooled (cylinder) | ● | ● | ● | ● | ● | ● |
| TBO(h)-2000 | ● | ● | ● | ● | ● | ● |
Key Advantages of VastArrive Engines?

Reliability
VastArrive Engines are engineered for durability, ensuring consistent performance even in the most demanding conditions.
Performance
With cutting-edge technology, VastArrive Engines deliver high efficiency, power, and responsiveness for superior flight dynamics.
Flexibility
Designed for versatility, VastArrive Engines adapt seamlessly to different UAV platforms, including
Why Work with VastArrive?
R&D Capability
Backed by VastArrive Aero Engine, VastArrive leverages proven aviation R&D platforms covering engine design, system integration, and performance optimization. These capabilities enable reliable UAV engine solutions adapted from certified aviation technology.


Manufacturing Capability
Our UAV engines are supported by VastArrive’s Industry 4.0-based manufacturing system, ensuring consistent quality and stable batch production.
Quality Assurance
VastArrive operates a comprehensive quality system aligned with airworthiness-oriented standards. This ensures reliability, durability, and traceability across the entire engine lifecycle.


Global Distribution
VastArrive Aero Engine products are deployed across multiple international markets. Through VastArrive, this global experience supports export-ready UAV engine solutions and overseas project delivery.
Let’s Look Our Customers’s Cases
Across different regions and mission scenarios, VastArrive UAV engines are actively deployed by customers worldwide. These real-world photos, shared directly by our clients, demonstrate successful delivery, integration, and deployment in diverse international UAV projects.
Global Cooperation Partners
VastArrive Aero Engine solutions are deployed globally, supporting partners across multiple regions in aviation and unmanned systems sectors.
FAQs About the Engine
Professional Technical Support
We are committed to ensuring every customer receives timely and professional technical support. Our engineers can provide remote product installation guidance, software updates, and drone flight technical support. Customers can also arrange for in-person training at our factory.
Customizable for diverse application scenarios
Complete drone flight training
Online support from a team of professional after-sales engineers
Comprehensive IT documentation support
Regional distributor and partner support
Explore Relevant Drone Series
Cooperation Process
Inquiry & Quotation
Check Buyer Information
Sign Contract
Arrange Deposit
Apply for Export License
Produce & Testing
Balance Payment
Safe Shipping
Receiving & Training
After-sales
Technical Support
Contact for More Information
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