Product Brief Introduction
The SW190B micro turbojet UAV gasoline engine is an independently developed miniature gas turbine power unit specially developed for high-performance civilian unmanned aerial vehicles and large recreational RC jet models. As a mature industrial-grade UAV gasoline engine, it integrates proprietary brushless starting motor, anti-bubble four-eye fuel pump and single-bus intelligent ECU control system, solving common pain points of traditional micro jet engines such as unstable fuel supply, messy wiring and single control functions.
The whole machine adopts ultra-compact lightweight design, with an overall diameter of 109.5mm, length of 260mm and net weight of only 1500g, which effectively reduces the dead weight of civilian aircraft and reserves abundant cabin space for aerial survey cameras, data transmission modules and other civilian payload equipment. It uses standard aviation kerosene as fuel with a 3%–5% lubricating oil mixing ratio, and the maximum fuel consumption is controlled within 550g/min under full power state.
All R&D, production and testing standards of this drone gasoline engine are limited to non-military civilian commercial fields, widely applicable to aerial mapping, agricultural patrol, university aerospace laboratory research and high-end aviation exhibition aircraft. The factory delivers complete matching accessories together with the main engine to shorten assembly and debugging cycles for global customers.
Complete Technical Parameter Table
Main Engine Overall Parameters
| Parameter Item | Specific Value |
|---|---|
| Model | SW190B |
| Maximum Static Thrust | 19kg / 190N |
| Outer Diameter | 109.5mm |
| Overall Length | 260mm |
| Net Dry Weight | 1500g |
| Usable Rotational Speed | 38000 ~ 120000 rpm |
| Stable Idle Speed | 38000 rpm |
| Rated Maximum Exhaust Temperature | 750℃ |
| Maximum Fuel Consumption | ≤550g/min |
| Applicable Fuel | Aviation Kerosene |
| Standard Lubricating Oil Mix Ratio | 3% ~ 5% |
| Standard Maintenance Cycle | 25 Flight Hours |
| Engine Category | Micro Turbojet UAV Gasoline Engine |
ECU & Operation Control Parameters
| Module Item | Parameter Value |
|---|---|
| ECU Main Chip | 32-bit High-Speed Processor |
| Data Transmission Mode | Single Bus Telemetry Signal |
| Fuel Pump Startup Voltage | 0.5–1V |
| RPM Acceleration Slope Coefficient | 100 |
| Fuel Pump Output Slope Coefficient | 3 |
| Ignition Fuel Valve Opening Value | 20 |
| Ignition Trigger Rotational Speed | 3000 rpm |
| Preheating Rotational Speed | 5000 rpm |
| Clutch Separation Rotational Speed | 22000 rpm |
| Acceleration Curve Parameter | 25 |
| Deceleration Curve Parameter | 25 |
| Real-Time Operating Temperature Limit | ≤1000℃ |
| Minimum Working Voltage | ≥10V |
| Fuel Pump Voltage Protection Limit | 13V |
| In-Flight Auto Restart Function | Switchable On / Off |
| Restart Ignition Voltage | Consistent with main ignition voltage |
Brushless Starter Motor Parameters
| Motor Item | Parameter Value |
|---|---|
| Rated Operating Speed | 97000 rpm |
| Motor Pop-Up Time | 0.5S |
| Pop-Up Working Voltage | 3.5V |
| Stable Running Voltage | 4V |
| Motor Cooling Rotational Speed | 5000 rpm |
Standard Full Kit Accessory List
SW190B main turbojet engine body
SWP50D four-eye anti-bubble fuel pump
V3 intelligent ECU controller
GSU data display terminal
Aviation fuel filter
Fuel control ball valve
Main power connecting line
Throttle signal line
Telemetry signal transmission line
Core Independent Technology Details
Self-Developed Brushless Integrated Starter Motor
This UAV gasoline engine is equipped with a proprietary brushless starter motor with a rated speed of 97000 rpm. The integrated structure does not occupy extra installation space of the airframe, and can output stable startup torque under low temperature and high altitude environments to reduce cold start failure rate. The motor shell adopts heat dissipation coating treatment, which can maintain stable operation under frequent repeated startup and extend the overall service life of the drone gasoline engine.
Four-Eye Double-Inlet Anti-Bubble Fuel Pump System
The supporting SWP50D fuel pump adopts a unique double-inlet and double-outlet pipeline structure with a 6mm oil inlet and 4mm oil outlet. The internal multi-layer shunt structure can fully crush air bubbles mixed in aviation kerosene, fundamentally solving the hidden danger of engine flameout caused by air blockage during climbing and high-speed flight. The pump body is made of anti-corrosion aluminum alloy material, which can resist long-term corrosion of fuel and reduce the frequency of pump body replacement.
Simplified Single-Bus Communication Control
Different from the multi-wire scattered signal mode of traditional micro jet engines, this drone gasoline engine uses only one bus to complete all data transmission including rotating speed, exhaust temperature and throttle signal between ECU, display terminal and flight control. The wiring layout inside the aircraft is greatly simplified, the number of wiring failure points is reduced, and the anti-interference ability of the whole electrical system is improved.
V3 32-Bit Intelligent ECU Control Unit
The matched V3 ECU is built with a high-speed 32-bit computing chip, with two core practical functions: fixed rotational speed locking and automatic restart after accidental shutdown. When the aircraft encounters instantaneous fuel supply fluctuation or power loss during flight, the ECU will automatically trigger the ignition program without ground manual operation, greatly improving the safety of long-distance civilian flight missions. The expansion interface reserves telemetry data backhaul channel for ground station real-time monitoring.
High-Temperature Resistant Integrated Turbine Body
The turbine rotor, combustion chamber and nozzle of this UAV gasoline engine are all cast from aviation superalloy, which can continuously bear 750℃ exhaust temperature under full-load state without deformation and power attenuation. The streamlined outer casing reduces flight wind resistance, and the symmetrical standard mounting lugs are reserved, which can be directly installed on most mainstream large civilian fixed-wing UAVs and RC jet models without customized mechanical processing.
Civilian Commercial Application Scenarios
This SW190B micro turbojet drone gasoline engine is only applicable to non-military civilian industrial, educational and recreational aviation fields:
- High-speed aerial survey & mapping: long-distance mountain terrain scanning, highway infrastructure inspection, large-area land resource general survey
- Civilian environmental monitoring: full-basin river water quality patrol, wide-range forest vegetation growth observation, wild ecological resource survey
- Agricultural industrial UAV equipment: large orchard rapid patrol, farm crop high-speed growth inspection
- University aerospace laboratory research platforms: aerodynamic test aircraft, miniature turbine power R&D prototypes
- High-end large-scale RC jet aircraft, commercial aviation exhibition demonstration models
Packaging, Delivery & Downloadable Documents
Standard Export Packaging: Custom shock-absorbing aluminum alloy inner box + fumigated thick wooden outer case, with temperature insulation foam lining inside. All precision turbine parts and electronic accessories are wrapped separately with anti-rust grease paper and anti-static film to avoid collision damage during cross-border sea and air transportation.
Supported International Trade Terms: EXW, FOB, CIF, DDP door-to-door global delivery, cooperating with professional aerospace special logistics suppliers.
Bulk Customized Packaging: Reinforced anti-collision wooden boxes can be customized for large wholesale orders, with independent partitions for each accessory to prevent shaking.
Delivery Lead Time: Single sample full set shipped within 12 working days; mass batch production orders delivered within 22–28 working days after deposit confirmation.
Free Downloadable Files After Order: SW190B technical specification PDF, SW190B dimension drawing PDF, official installation and operation manual PDF.
Factory R&D & Strict Quality Inspection Process
The manufacturer has a complete independent micro-turbine R&D laboratory, CNC intelligent production workshop and full-function bench test equipment. Each finished SW190B UAV gasoline engine will pass 6 major inspection links before leaving the factory:
- Raw material incoming inspection: material composition and dimensional calibration of high-temperature alloy rotor, ECU chip, fuel pump and all sealing parts.
- Ultra-high-speed rotor dynamic balancing calibration and real-time vibration value detection.
- Continuous 3-hour full-load bench test, synchronously recording thrust, rotating speed, exhaust temperature and fuel consumption data.
- Low-temperature and high-altitude simulation cold start test to verify startup stability under extreme environments.
- Complete full-set accessory matching inspection, functional test of all wiring harnesses, fuel components and data display terminals.
- Finished product anti-rust protection, anti-static treatment and final packaging inspection.
Each drone gasoline engine is assigned an exclusive independent serial number, all bench test data and production records are permanently archived to provide traceable quality guarantee for global civilian UAV integrators and dealers.
Frequently Asked Questions
FAQ 1 What fuel and lubrication ratio should be used for SW190B UAV gasoline engine? Is ethanol fuel allowed?
Answer: This UAV gasoline engine must use pure aviation kerosene mixed with special turbine lubricating oil at a mixing ratio of 3% to 5%. Any fuel containing ethanol is strictly prohibited; ethanol will produce a large amount of carbon deposits inside the combustion chamber, block the four-eye fuel pump pipeline and cause permanent damage to the high-temperature turbine rotor. Clean the fuel filter before each refueling to avoid particle blockage of the oil circuit. Complete full disassembly maintenance strictly according to the 25-hour service cycle.
FAQ 2 Can the single-bus V3 ECU match third-party autopilots? How to deal with accidental engine flameout during flight?
Answer: The single-bus communication interface of V3 ECU supports mainstream civilian industrial autopilots on the market, and we provide matching communication protocol documents free of charge. This drone gasoline engine is equipped with a built-in automatic restart function. If accidental flameout occurs during flight, the ECU will automatically activate the ignition program within a few seconds to restart the engine. If multiple restart attempts fail, cut off the throttle power supply and perform ground inspection after safe gliding landing. Our technical team provides remote ECU parameter tuning support at any time.
Inquiry & Global Cooperation Guide
If you need sample bench testing, bulk wholesale quotation, airframe matching technical consultation, ECU parameter tuning, or to download SW190B technical specification and dimension PDF documents, please submit your inquiry through the website contact form or official business email. Our professional aerospace power technical sales team will reply to all consultation requests within 24 working hours, and provide free global after-sales service policy documents and detailed installation operation guidance.
