Engine – VastArrive

Aviation piston engines mainly provide power equipment for general aviation and unmanned aerial vehicles such as fixed-wing and rotary-wing aircraft. They can be customized and developed according to customer needs to make the products more suitable for customer usage scenarios.

Main Products

VA-EN300

Displacement: 1211 ml
Maximum Power: 58/5500 kW/(r/min）
Compression Ratio: 9:1
Ignition: Dual Capacitor

VA-EN500

Displacement: 1352 ml
Maximum Power: 68/5500 kW/(r/min）
Compression Ratio: 11:1
Ignition: Dual Capacitor

VA-EN500I

Displacement: 1352 ml
Maximum Power: 69/5500 kW/(r/min）
Compression Ratio: 11:1
Ignition: Digital Dual

VA-EN520T

Displacement: 1211 ml
Maximum Power: 73.5/5500 kW/(r/min）
Compression Ratio: 9:1
Ignition: Dual Capacitor

VA-EN520TI

Displacement: 1211 ml
Maximum Power: 71.5/5500 kW/(r/min）
Compression Ratio: 9:1
Ignition: Digital Dual

VA-EN550TI

Displacement: 1417 ml
Maximum Power: 99/5500 kW/(r/min）
Compression Ratio: 9.8:1
Ignition: Digital Dual

Key Parameters Comparison

Item No.	VA-EN300	VA-EN500	VA-EN500I	VA-EN520T	VA-EN520TI	VA-EN550TI
Displacement (ml)	1211	1352	1352	1211	1211	1417
Dimension (mm)	670×580×420	670×580×420	630×580×425	670×580×540	620×580×580	670×580×580
Dry Weight (kg)	62.3	60.8/134.0	62.6	74.5	76.2	81.5±1/179+2
Maximum Power (kW/(r/min)	59.6/5800	73.5/5800	73.5/5800	84.5/5800	82.5/5800	104/5800
Maximum Continuous Power (kW/(r/min)	58/5500	68/5500	69/5500	73.5/5500	71.5/5500	99/5500
Power Weight Ratio (kW/kg)	0.96	1.16	1.2	0.25	1.08	1.28
Power Supply	0.25	–	1.17	1.13	1.2	–
Compression Ratio	9:1	11:1	11:1	9 ：1	9:1	9.8:1
Electrical Starter	●	●	●	●	●	●
Ignition	Dual Capacitor Ignition	Dual capacitor ignition	Digital Dual Ignition	Dual capacitor ignition	Digital Dual Ignition	Digital dual ignition
Fuel Supply Mode	Carburetor	Carburetor	EFI	Carburetor	EFI	EFI
95#gasoline	●	●	●	●	●	●
Water-cooled (cylinder head) Air-cooled (cylinder)	●	●	●	●	●	●
TBO(h)-2000	●	●	●	●	●	●