DLE 120T4 Four Cylinder Gasoline Engine

DLE 120T4 Four Cylinder Gasoline Engine

The DLE 120T4 is a premium four-cylinder gasoline aeromodel engine designed for giant-scale RC airplanes, large sport aircraft, scale models, aerobatic aircraft and professional aeromodelling projects that require smooth operation, reliable thrust and refined multi-cylinder performance. Launched as a compact four-cylinder two-stroke piston engine, the DLE 120T4 delivers 12HP at 7500 RPM while maintaining low vibration, stable idle and strong propeller-driving capability for demanding large-airframe setups.

KEY FEATURES & BENEFITS:

• Four-Cylinder Gasoline Engine Platform:
• • 120cc-class four-cylinder two-stroke gasoline aeromodel engine
• • Designed for giant-scale RC aircraft and high-end aeromodelling applications
• • Performance rating of 12HP at 7500 RPM
• • Idle speed reference of 1200 RPM
• • Static thrust reference of 26.5kg at 100m altitude
• • 122cc exhaust amount reference

• Smooth Multi-Cylinder Performance:
• • Four-cylinder layout for refined running characteristics
• • Low vibration product positioning for large model aircraft
• • Reliable thrust for demanding sport, scale and aerobatic aircraft
• • Balanced propeller support for smoother engine operation
• • Suitable for experienced RC pilots, model aircraft workshops and professional aircraft builders

• Professional Aeromodelling Integration:
• • Runs on clean 92 unleaded gasoline and above
• • 30:1 gasoline/oil ratio reference
• • Recommended propellers include 27x10, 26x12 and 28x10
• • NGK CM6 spark plug compatibility
• • 36mm × 30mm bore/stroke specification
• • 4.8V–8.4V ignition voltage support

APPLICATIONS: Giant-scale RC aircraft, large-scale model airplanes, RC aerobatic aircraft, RC sport aircraft, scale aircraft builds, petrol-powered model aviation, RC aircraft engine replacement, advanced aeromodelling projects, fixed-wing UAV prototype power-system testing, RC flying club maintenance, professional model-aircraft workshops, engineering college aeromodelling labs.

FREQUENTLY ASKED QUESTIONS:

Q: What is the DLE 120T4 Four Cylinder Gasoline Engine? A: The DLE 120T4 is a four-cylinder two-stroke gasoline aeromodel engine designed for giant-scale RC aircraft, large sport aircraft, scale models, aerobatic aircraft and professional aeromodelling applications.

Q: What is the price of the DLE 120T4 engine? A: The listed import price is 1,65,000 ₹ for the DLE 120T4 Four Cylinder Gasoline Engine Standard Package. Final pricing may vary if installation support, propeller matching, workshop support or UAV prototype integration assistance is added.

Q: What is special about the DLE 120T4? A: The DLE 120T4 is a compact four-cylinder aeromodel gasoline engine designed to deliver smooth running, reliable thrust and low vibration for high-end giant-scale RC aircraft.

• Q: What power output does it produce?
• A: The listed performance rating is 12HP at 7500 RPM.

• Q: What is the idle speed?
• A: The listed idle speed is approximately 1200 RPM. Stable idle depends on correct fuel mix, ignition setup, carburetor tuning and engine condition.

• Q: What static thrust does it provide?
• A: The listed static thrust is 26.5kg at 100m altitude. Actual thrust depends on propeller, air density, tuning, fuel mix and aircraft setup.

• Q: What is the exhaust amount?
• A: The listed exhaust amount is 122 ccm.

• Q: What is the bore and stroke?
• A: The listed bore and stroke are 36mm × 30mm.

• Q: What is the compression ratio?
• A: The listed compression ratio is 7.1:1.

• Q: What is the recommended lubrication ratio?
• A: The listed lubrication ratio is 30:1. Fuel/oil mixing should follow engine manual guidance and proper break-in procedure.

• Q: What fuel does this engine use?
• A: The DLE 120T4 runs on clean 92 unleaded gasoline and above, mixed with suitable 2-stroke engine oil at a 30:1 reference ratio.

• Q: What spark plug does the engine use?
• A: The listed spark plug type is NGK CM6.

• Q: What ignition voltage does it require?
• A: The listed ignition voltage range is 4.8V–8.4V. Select the ignition battery and regulator according to the ignition module requirement.

Q: What propellers are recommended? A: Recommended propellers include 27x10, 26x12 and 28x10. Final propeller selection should match aircraft size, weight, flight style, altitude and safe RPM limits.

• 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 is the main engine weight?
• A: The listed main engine weight is 2960g.

• Q: What are the exhaust and ignition weights?
• A: The listed exhaust weight is 500g and the listed ignition weight is 140g.

Q: What aircraft is this engine suitable for? A: It is suitable for giant-scale RC airplanes, large sport aircraft, scale aircraft and aerobatic aircraft designed for a 120cc-class multi-cylinder gasoline engine.

Q: Is the DLE 120T4 suitable for beginners? A: This engine is best suited for experienced RC pilots or beginners working under expert supervision. Large four-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, propeller, cooling, ignition and safety procedures are professionally engineered.

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, starter equipment, field tools and correct gasoline/oil mix.

• Q: Why is propeller balancing important?
• A: Propeller balancing helps reduce vibration, protects the engine and airframe, improves reliability and supports smoother operation during flight.

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

Q: What safety precautions are important? A: Operators should follow propeller safety, fuel safety, fire safety, secure mounting, safe starting procedure, safe tuning practice and field operation rules. Never stand in the propeller arc during operation.

Q: Why choose a four-cylinder RC gasoline engine? A: A four-cylinder RC gasoline engine provides smoother operation, lower vibration and refined large-airframe performance compared with many single-cylinder engine layouts.

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, dirt ingestion, water exposure or unauthorized modification may not be covered.