DLE 430 Two-Cylinder Two-Stroke UAV Gasoline Engine

DLE 430 Two-Cylinder Two-Stroke UAV Gasoline Engine

The DLE 430 is a high-displacement two-cylinder two-stroke gasoline engine designed for unmanned aerial vehicles, heavy UAV platforms, large propulsion research systems and professional aircraft power-system integration. Built around a 430.8cc displacement engine architecture, the DLE 430 delivers 42HP at 6800 RPM, 110kg static thrust reference, fan cooling and an integrated permanent magnet generator output for demanding aircraft applications.

KEY FEATURES & BENEFITS:

• Heavy UAV Gasoline Power Platform:
• • 430.8cc two-cylinder two-stroke gasoline engine
• • Designed for unmanned aerial vehicle applications
• • 42HP output at 6800 RPM
• • Maximum RPM reference of 7000 RPM
• • 110kg static thrust reference
• • 2.55 speed-reduction ratio for propeller-drive applications

• Professional Propulsion Integration:
• • Double-set DC capacitor discharge ignition
• • 12V ignition power supply, 5W per ignition reference
• • Permanent magnet generator output: 14.5V / 90W
• • Starting motor current reference: 35A
• • Fan cooling radiator system
• • DLE self-priming carburetor
• • Recommended 1.5m variable-pitch carbon-fiber propeller

• Heavy-Duty Engine Design:
• • 70mm bore and 56mm stroke
• • Theoretical compression ratio of 11:1
• • Effective compression ratio of 6.5:1
• • 50:1 gasoline/oil mixture ratio
• • Gearbox oil requirement: 85W-140EP API-GL5 / GL6 / SAE 140 EP
• • Main engine weight 27kg, exhaust weight 4.1kg and total reference weight 32.25kg

APPLICATIONS: Heavy fixed-wing UAV power systems, unmanned aerial vehicle propulsion projects, large experimental aircraft propulsion, long-endurance UAV prototype development, professional propulsion testing, generator-assisted aircraft engine setups, engineering college UAV propulsion labs, aircraft power-system R&D, large propeller-drive test platforms, professional aeromodelling and UAV integration workshops.

FREQUENTLY ASKED QUESTIONS:

Q: What is the DLE 430 engine? A: The DLE 430 is a two-cylinder two-stroke gasoline engine designed for unmanned aerial vehicles, heavy UAV propulsion, large aircraft prototypes and professional propulsion testing.

Q: What is the price of the DLE 430 UAV engine? A: The listed import price is 7,89,000 ₹ for the DLE 430 UAV Engine Standard Package. Final pricing may vary if installation support, propeller matching, generator planning, cooling layout review, workshop support or UAV prototype integration assistance is added.

• Q: What is the displacement of the DLE 430?
• A: The listed displacement is 430.8cc.

• Q: What power output does it produce?
• A: The DLE 430 is listed with 42HP output at 6800 RPM.

• Q: What is the maximum RPM?
• A: The listed maximum RPM is 7000 RPM.

• Q: What is the idle speed?
• A: The listed idle speed is 1000 RPM.

Q: What static thrust does it provide? A: The listed static thrust reference is 110kg. Actual thrust depends on propeller, pitch, reduction setup, air density, tuning, fuel mix, cooling and airframe installation.

• Q: What is the bore and stroke?
• A: The listed bore is 70mm and the listed stroke is 56mm.

• Q: What is the compression ratio?
• A: The listed theoretical compression ratio is 11:1 and the effective compression ratio is 6.5:1.

• Q: What speed reduction ratio does it use?
• A: The listed speed reduction ratio is 2.55.

• Q: What spark plug does the DLE 430 use?
• A: The listed spark plug type is 14mm DLE-8.

• Q: What is the spark plug gap?
• A: The listed spark plug gap is 0.6mm.

• Q: What carburetor does it use?
• A: The product page lists a DLE self-priming carburetor.

• Q: What fuel does it use?
• A: The listed fuel reference is gasoline 93# / 97# with 2T FD full-synthesis oil.

• Q: What oil mix ratio is recommended?
• A: The listed oil mixture ratio is 50:1.

• Q: What gearbox oil is specified?
• A: The listed gearbox oil reference is 85W-140EP API-GL5 / GL6 / SAE 140 EP gear oil.

• Q: What ignition system does it use?
• A: The DLE 430 uses a double-set DC capacitor discharge ignition system with 12V power supply and 5W per ignition piece reference.

• Q: Does it include a generator?
• A: Yes, it is listed with a permanent magnet generator producing 14.5V / 90W.

• Q: What is the starting motor current?
• A: The listed starting motor current is 35A.

• Q: What is the rotation direction?
• A: The listed rotation direction is clockwise.

• Q: What cooling system does it use?
• A: The listed radiator system is fan cooling.

• Q: What is the engine weight?
• A: The listed main engine weight is 27kg, exhaust weight is 4.1kg and total reference weight is 32.25kg.

• Q: What propeller is recommended?
• A: The listed recommended propeller is a 1.5m variable-pitch carbon-fiber propeller. Final propeller selection must be handled by a qualified integrator.

• 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: Is this engine suitable for UAV projects? A: Yes, the product page specifically states that it can be used for unmanned aerial vehicles. Final suitability depends on airframe design, cooling, vibration isolation, propeller selection, gearbox setup, electrical integration, payload, fuel system and safe test procedures.

Q: Is this suitable for beginners? A: No. This is a high-power heavy UAV gasoline engine and should only be installed and operated by trained users, professional integrators or supervised engineering teams.

Q: What electrical planning is required? A: Electrical planning should cover 12V ignition supply, starter battery sizing for 35A current, generator output wiring, fuse/protection strategy, vibration-resistant connectors, grounding and safe cable routing.

Q: What cooling planning is required? A: Cooling planning should verify radiator fan airflow, ducting, heat rejection, engine bay ventilation, fuel-line heat protection and temperature monitoring during test runs.

Q: What else is required for installation? A: Typical required items include suitable propeller, variable-pitch control system if used, fuel tank, fuel tubing, fuel filter, starter battery, ignition battery, wiring harness, switchgear, throttle linkage, engine mount, vibration isolation, gearbox oil, cooling layout and field tools.

Q: What maintenance is required? A: Maintenance should include checking propeller hardware, pitch mechanism, engine mounting bolts, exhaust hardware, spark plugs, ignition wiring, starter wiring, generator output, fuel lines, fuel filter, carburetor tuning, gearbox oil, fan cooling system and general engine cleanliness.

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

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, gearbox oil misuse, wiring errors, generator overload, dirt ingestion, water exposure or unauthorized modification may not be covered.