3W-170Xi B2 Twin-Cylinder Gasoline Engine

3W-170Xi B2 Twin-Cylinder Gasoline Engine

The 3W-170Xi B2 is a premium 170cc twin-cylinder gasoline engine designed for 3-meter aerobatic aircraft, large RC airplanes, towing models, scale aircraft, sport aircraft and professional aeromodelling projects. Built for high-performance flight applications, the 3W-170Xi B2 delivers 18.1HP / 13.30kW output, smooth running behavior and dependable power for demanding large-airframe builds.

KEY FEATURES & BENEFITS:

• High-Performance 170cc Twin-Cylinder Platform:
• • 170.00cc gasoline engine displacement
• • Twin-cylinder engine architecture for large model aircraft
• • 18.1HP / 13.30kW output reference
• • 1,100–8,500 RPM operating range
• • Designed for 3-meter aerobatics class aircraft
• • Suitable for towing larger models when properly installed and matched

• Professional 3W Engine Construction:
• • 51mm bore and 41mm stroke specification
• • 3.930kg weight including ignition
• • 3-ball-bearing crankshaft for quiet running behavior
• • 1:50 / 2% gasoline-oil mixture reference
• • 6.0–8.4V DC ignition support
• • Tractor and pusher configurations available for different aircraft layouts

• Aeromodelling Integration:
• • Microprocessor-controlled ignition for simplified engine control
• • Programmed ignition curve matched to the engine
• • Smooth running behavior when used with matched 3W muffler systems
• • Broad model-aircraft compatibility due to strong weight-to-performance ratio
• • Designed for reliability, durability and high power in advanced RC aircraft

APPLICATIONS: 3-meter aerobatic aircraft, giant-scale RC airplane builds, RC towing aircraft, large sport aircraft, scale model aircraft, aerobatic aircraft, petrol-powered model aviation, tractor-engine RC aircraft setups, pusher-engine RC aircraft setups, RC aircraft engine replacement, professional aeromodelling workshops, engineering college aircraft labs, fixed-wing UAV prototype power-system testing, RC flying club maintenance, high-performance model-aircraft power-system integration.

FREQUENTLY ASKED QUESTIONS:

Q: What is the 3W-170Xi B2? A: The 3W-170Xi B2 is a 170cc twin-cylinder gasoline RC aircraft engine designed for 3-meter aerobatic aircraft, towing aircraft, large sport models, scale aircraft and professional aeromodelling applications.

Q: What is the price of the 3W-170Xi B2? A: The listed import price is $17,550 for the 3W-170Xi B2 Standard Tractor Package. Final pricing may vary if pusher configuration, installation support, propeller matching, workshop support or UAV prototype integration assistance is added.

• Q: What is the displacement of the 3W-170Xi B2?
• A: The official displacement is 170.00cc.

• Q: What power output does it produce?
• A: The engine is officially listed with 18.1HP / 13.30kW output.

• Q: What is the RPM range?
• A: The official RPM range is 1,100–8,500 RPM.

• Q: What is the bore and stroke?
• A: The listed bore diameter is 51.00mm and the listed stroke is 41.00mm.

• Q: What is the engine weight?
• A: The official weight including ignition is 3.930kg.

• Q: What fuel/oil mix does it use?
• A: The official oil/gasoline ratio is 1:50 / 2% mix.

• Q: What ignition voltage does it require?
• A: The official ignition voltage range is 6.0–8.4V DC.

Q: What ignition system does it use? A: The 3W-170Xi B2 uses microprocessor-controlled ignition with a programmed ignition curve matched to the engine for good running behavior across the RPM range.

• Q: Is it available in tractor and pusher versions?
• A: Yes, official references list tractor and pusher SKU options. The required configuration should be confirmed before ordering.

• Q: What makes this engine suitable for aerobatics?
• A: It is positioned as a high-performance aerobatics engine for the 3-meter class, with enough power for advanced figures when installed and matched correctly.

• Q: Can the 3W-170Xi B2 be used for towing aircraft?
• A: Yes, it is positioned as suitable for towing larger models when the aircraft, cooling, propeller and operating setup are properly matched.

• Q: What makes the engine run quietly?
• A: The 3-ball-bearing crankshaft and matched 3W muffler system support quiet and smooth running behavior when installed correctly.

Q: What aircraft is the 3W-170Xi B2 suitable for? A: It is suitable for 3-meter aerobatic aircraft, large sport aircraft, towing aircraft and scale models that are designed for a 170cc-class twin-cylinder gasoline engine.

Q: Is this engine suitable for beginners? A: It is best suited for experienced RC pilots or beginners working under expert supervision. Large twin-cylinder gasoline engines require careful installation, fuel handling, ignition setup, tuning and propeller safety.

Q: Can it be used in UAV prototype projects? A: Yes, it may be used in petrol-powered fixed-wing UAV prototype projects if the airframe, vibration isolation, fuel system, cooling, propeller, ignition and safety procedures are professionally engineered.

Q: What propeller should be used? A: Propeller selection should be matched to the airframe, engine version, towing load, RPM target, altitude and flight style. Use manufacturer guidance or professional propeller matching support before operation.

• Q: Is a propeller included?
• A: A propeller should be treated as required separately unless specifically included in the final quotation. Confirm final package contents before order.

Q: What else is required for installation? A: Typical required items include suitable propeller, fuel tank, fuel tubing, fuel filter, ignition battery, switch harness, throttle linkage, engine mount, cooling layout, starter equipment, field tools and correct gasoline/oil mix.

Q: What maintenance is required? A: Maintenance should include checking propeller bolts, engine mounting bolts, exhaust hardware, spark plugs, ignition wiring, fuel lines, fuel filter, throttle linkage, carburetor tuning and general engine cleanliness.

Q: What safety precautions are important? A: Operators should follow propeller safety, fuel safety, fire safety, controlled starting procedure, secure mounting, safe tuning practice and field operation rules. Never stand in front of or in line with the propeller while the engine is running.

Q: Why choose a 170cc twin-cylinder RC gasoline engine? A: A 170cc twin-cylinder RC gasoline engine offers high power, smooth running, strong torque and reliable performance for demanding large aircraft applications.

Q: What warranty is included? A: Warranty support generally covers manufacturing defects under approved use and normal operating conditions. Damage from incorrect fuel mix, poor tuning, overheating, propeller strike, crash impact, vibration damage, dirt ingestion, water exposure or unauthorized modification may not be covered.