3W Modellmotoren
3W10.002.225
3W-170Xi B2 CS – Premium Aerobatic & Towing Engine
All other 3W motors are also available at Aerobertics, your official 3W dealer for the Benelux!
The 3W-170Xi B2 CS is the ideal choice for serious aerobatic pilots and demanding towplane applications. Designed for 3-meter class models, this high-performance twin-cylinder engine delivers exceptional power, smooth operation, and trusted reliability — making it a top contender for competition use.
Key Features:
✅ Competition Series (CS) version: modified transfer ports in the cylinder and crankcase for enhanced power, torque, and throttle response
✅ 3-bearing crankshaft for smoother and quieter operation
✅ Optimized for towing large gliders and for high-performance 3D aerobatics
✅ Excellent power-to-weight ratio suitable for a wide range of models
✅ Durable & reliable — built for long-term performance
✅ Matched with 3W exhaust system for optimal engine smoothness
✅ Microprocessor-controlled ignition, pre-programmed for perfect engine behavior at all RPM ranges
✅ Runs on 6V to 8.4V (2S LiPo) ignition voltage
At Aerobertics, we are proud to support 3W engines and offer expert advice, parts, and after-sales service to help you get the most out of your setup.
📩 Contact us for more info or to order your 3W-170Xi B2 CS!
| Cylinder capacity | 170.00 ccm |
| Power | 18.8 HP / 13.82 KW |
| Bore diameter | 51.00 mm |
| Stroke | 41.00 mm |
| Rpm range | 1.100 – 8.500 U/min-1 |
| Weight incl. ignition | 3.930 kg incl. ignition |
| Crankshaft | 3 ball bearing |
| Oil/gasoline ratio | 1:50 / 2% Mix |
| Ignition | 6.0 – 8.4 V DC |