HFE International
HFE International develops and manufactures high-end propulsion systems for UAVs, drones, unmanned systems, and ground support equipment. Propulsion systems include fuel-injection and rotary systems with gasoline and multi/heavy fuel operation.
Founded in 2010, the company aimed to address the growing demand for reliable, small engines at an affordable price. With over 1,000 units sold — at 25% less than the cost of the closest competitor — HFE engines are in use throughout the world including by US Armed Forces.
HFE strives to be a world leader in unmanned propulsion systems. As proof of this ongoing commitment, HFE earned its designation as an ISO 9001:2015 certified company. Employees strive continuously to improve and achieve customer satisfaction through on-time delivery of hardware, defect-free products and outstanding engineering services.
ELECTRONIC FUEL-INJECTED ENGINES
DA 35 EFI UAV Engine
Lead Time 4 -8 weeks
Displacement 35 cc, 2.14 ci
Power 2.1 kW, 2.8 hp
Weight (engine with intake) 1 kg, 2.2 lb
Weight (ECM) 98 g, 3.45 oz
Weight (Fuel Pump) 150 g, 5.29 oz
Standard Operating Speed 1,500 RPM to 8,200 RPM
Voltage 10 V to 15 V
Power Draw 1 Amp peak, 1 hour/1,000 mAh
Temperature Range 0° – 49° C, 32° – 120° F
Weight (500W Alternator System) 1.92 kg, 4.23 lb
Weight (muffler) 190 g, 6.7 oz
DA 50 EFI UAV Engine
Lead Time 4 -8 weeks
Displacement 50 cc, 3.05 ci
Power 2.9 kW, 3.9 hp
Weight (engine with intake) 1.5 kg, 3.3 lb
Weight (ECM) 98 g, 3.45 oz
Weight (Fuel Pump) 150 g, 5.29 oz
Standard Operating Speed 1,600 RPM to 7,000 RPM
Voltage 10 V to 15 V
Power Draw 1 Amp peak, 1 hour/1,000 mAh
Temperature Range 0° – 49° C, 32° – 120° F
Weight (500W Alternator System) 2.41 kg, 5.30 lb
Weight (muffler) 238 g, 8.4 oz
DA 70 EFI UAV Engine :
Lead Time 4 -8 weeks
Displacement 70 cc, 4.28 ci
Power 5.7 kW, 5 hp
Weight (engine with intake) 1.6 kg, 3.5 lb
Weight (ECM) 98 g, 3.45 oz
Weight (Fuel Pump) 150 g, 5.29 oz
Standard Operating Speed 1,900 RPM to 8,200 RPM
Voltage 10 V to 15 V
Power Draw 1 Amp peak, 1 hour/1,000 mAh
Temperature Range -12° – 49° C, 10° – 120° F
Weight (500W Alternator System) 2.41 kg, 5.30 lb
Weight (muffler) 238 g, 8.4 oz
DA 100 EFI UAV Engine :
Lead Time 4 weeks
Displacement 100 cc, 6.1 ci
Power 5.5 kW, 7.4 hp
Weight (engine with intake) 2.5 kg, 5.57 lb
Weight (ECM) 98 g, 3.45 oz
Weight (Fuel Pump) 150 g, 5.29 o
Standard Operating Speed 1,200 RPM to 7,500 RPM
Voltage 10 V to 15 V
Power Draw 1 Amp peak, 1 hour/1,000 mAh
Temperature Range -12° – 49° C, 10° – 120° F
Weight (500W Alternator System) 2.49 kg, 5.48 lb
Weight (muffler) 275 g, 9.7 oz
DA 120 EFI UAV Engine :
Lead Time 4 -8 weeks
Displacement 121 cc, 7.4 ci
Power 5.75 kW, 7.7 hp
Weight (engine with intake) 2.25 kg, 4.95 lb
Weight (ECM) 98 g, 3.45 oz
Weight (Fuel Pump) 150 g, 5.29 oz
Standard Operating Speed 1,200 RPM to 7,000 RPM
Voltage 10 V to 15 V
Power Draw 1 Amp peak, 1 hour/1,000 mAh battery
Temperature Range -12° – 49° C, 32° – 120° F
Weight (500W Alternator System) 3.31 kg, 7.31 lb
Weight (muffler) 300 g, 10.5 oz
DA 150 EFI UAV Engine :
Lead Time 4 -8 weeks
Displacement 150 cc, 9.15 ci
Power 7 kW, 9.3 hp
Weight (engine with intake) 3.5 kg, 7.7 lb
Weight (ECM) 98 g, 3.45 oz
Weight (Fuel Pump) 150 g, 5.29 oz
Standard Operating Speed 1,800 RPM to 7,000 RPM
Voltage 10 V to 15 V
Power Draw 1 Amp peak, 1 hour/1,000 mAh
Temperature Range – 12° – 49° C, 10° – 120° F
Weight (500W Alternator System) 3.32 kg, 7.32 lb
Weight (muffler) 375 g, 13.22 oz
DA 170 EFI UAV Engine :
Displacement 170 cc 10.4 ci
Power 9.6 kW 12.8 HP
Weight (engine with intake) 3.6 kg, 8 lb
Weight (ECM) 85 g 2.9 oz
Weight (Fuel Pump) 88 g 3.1 oz
Standard Operating Speed 1500 RPM to 7000 RPM
Voltage 10 V to 15 V
Power Draw 1 Amp peak, 1 hour/1,000 mAh battery
Temperature Range 0 to 49° C, 32 to 120° F
GEN POD SYSTEMS
Swap out the entire engine system in minutes! GenPod® LRU (Line Replaceable Unit) includes all the necessary electronics, fuel pump system, EFI system, ignition, plus, motor mount isolation.
GenPod® 70cc LRU
(Line Replaceable Unit) by HFE International enables users to swap out the entire engine system within minutes.
Actual Displacement 70 cc, 4.27 in³
Momentary Peak Power @ rated RPM 4.5 kW @ 9000 RPM, 6.0 hp @ 9000 RPM
Max Continuous Power 3.71 kW @ 7000 RPM, 5 hP @ 7000 RPM
Peak Torque @ RPM 5 NM @ 7500 RPM, 3.7 ft-lb @ 7500 RPM
Cruise BSFC @ RPM 437 g/kW-hr @ 6000 RPM, 0.72 lb/hp-hr @ 6000 RPM
Standard Operating RPM Range 3000 – 7500 RPM
Full System Weight with Mufflers 5.06 kg, 11.15 lb
Full System Power to Weight Ratio 0.9 kw/kg, .54 hp/lb
Nominal Current Draw (12V) 0.5 A
Maximum Current Draw (12V) 1 A
Rated Ambient Minimum -18° C, 0° F
Rated Ambient Maximum 49° C, 120° F
Time between Overhauls 300 hrs
Sound Level 91 dBA at 1 meter, 91 dBA at 3 feet
GenPod® 100cc LRU
Actual Displacement 100 cc, 6.1 in³
Momentary Peak Power @ rated RPM 6.1 kW @ 9000 RPM, 8.2 hp @ 9000 RPM
Max Continuous Power 5.5 kW @ 7000 RPM, 7.3 hP @ 7000 RPM
Peak Torque @ RPM 7.7 NM @ 7500 RPM, 5.7 ft-lb @ 7500 RPM
Cruise BSFC @ RPM 564 g/kW-hr @ 6500 RPM, 0.93 lb/hp-hr @ 6500 RPM
Standard Operating RPM Range 2500 – 7000 RPM
Full System Weight with Mufflers 5.54 kg, 12.2 lb
Full System Power to Weight Ratio 1.1 kw/kg, .67 hp/lb
Nominal Current Draw (12V) 0.5 A
Maximum Current Draw (12V) 1 A
Rated Ambient Minimum -18° C, 0° F
Rated Ambient Maximum 49° C, 120° F
Time between Overhauls 300 hrs
Sound Level 91 dBA at 1 meter, 91 dBA at 3 feet
(Line Replaceable Unit) by HFE International enables users
to swap out the entire engine system within minutes.
GenPod® 120cc LRU
(Line Replaceable Unit) by HFE International enables users
to swap out the entire engine system within minutes.
Actual Displacement 121 cc, 7.4 in³
Momentary Peak Power @ rated RPM 7 kW @ 8500 RPM, 9.38 hp @ 8500 RPM
Max Continuous Power 5.75 kW @ 6000 RPM, 7.7 hP @ 6000 RPM
Peak Torque @ RPM 9 NM @ 5500 RPM, 6.64 ft-lb @ 5500 RPM
Cruise BSFC @ RPM 550 g/kW-hr @ 6500 RPM, 0.904 lb/hp-hr @ 6500 RPM
Standard Operating RMP Range 3500 – 7000 RPM
Full System Weight with Mufflers 5.31 kg, 11.72 lb
Full System Power to Weight Ratio 1.31 kw/kg, 0.8 hp/lb
Nominal Current Draw (12V) 0.5 A
Maximum Current Draw (12V) 1 A
Rated Ambient Minimum -18° C, 0° F
Rated Ambient Maximum 49° C, 120° F
Time between Overhauls 200 hrs
GenPod® 150cc LRU
Actual Displacement 151 cc, 9.15 in³
Momentary Peak Power @ rated RPM 7.7 kW @ 7000 RPM, 10.3 hp @ 7000 RPM
Max Continuous Power 7 kW @ 6000 RPM, 9.37 hP @ 6000 RPM
Peak Torque @ RPM 11.2 NM @ 5000 RPM, 8.26 ft-lb @ 5000 RPM
Cruise BSFC @ RPM 400 g/kW-hr @ 5500 RPM, 0.657 lb/hp-hr @ 5500 RPM
Standard Operating RPM Range 3500 – 6500 RPM
Full System Weight with Mufflers 8.33 kg, 18.37 lb
Full System Power to Weight Ratio .92 kw/kg, 0.56 hp/lb
Nominal Current Draw (12V) 0.5 A
Maximum Current Draw (12V) 1 A
Rated Ambient Minimum -18° C, 0° F
Rated Ambient Maximum 49° C, 120° F
Time between Overhauls 300 hrs
(Line Replaceable Unit) by HFE International enables users to swap out the entire engine the system within minutes.