13.97 kWmax power (18.7 hp)†
170 cctwin boxer†
3.97 kgdry, ignition 562 g†
1300–8500rpm range†
One step up the XW ladder: 13.97 kW from a 170 cc twin-boxer two-stroke, carried on a three-bearing crankshaft for smooth running across a 1300–8500 rpm working span.
Highlights
Three-bearing crank
Smoother, longer-running crank support than plain twin designs.
Compact footprint
300×230×230 mm fits narrow fuselage bays.
Push or pull mounting
Suited to tractor and pusher installations alike.
Applications
Small fixed-wing ISR · Training targets · Light VTOL testbeds
Product Images
Engine photography is being prepared — request the current image set and integration package with your RFQ.
Full Specifications
| Item | Value | Evidence |
|---|---|---|
| Layout | Twin boxer, two-stroke, air-cooled | Manufacturer spec |
| Max power | 13.97 kW (18.73 hp) | Manufacturer spec |
| Displacement | 170 cc (bore × stroke 51 × 41 mm) | Manufacturer spec |
| Speed range | 1300–8500 rpm | Manufacturer spec |
| Weight | 3.97 kg; ignition unit 562 g | Manufacturer spec |
| Dimensions | 300×230×230 mm | Manufacturer spec |
| Crankshaft | Three-bearing | Manufacturer spec |
| Fuel mix / ignition | 50:1; CDI 6–14.4 V DC | Manufacturer spec |
FAQ
How much does the complete ignition add?
The CDI ignition unit weighs 562 g on top of the 3.97 kg engine.
What is the working rpm span?
1300–8500 rpm — wide enough for fixed-pitch props across mission phases.
Crank support?
Three-bearing crankshaft (manufacturer specification).