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!