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B60i Engine

B60i Engine
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B60i Engine

Product catalog summary
Specifications
The document outlines the specifications of a 60cc, fuel-injected, 2-stroke single engine known for its high power density and low Brake Specific Fuel Consumption (BSFC). It features a smooth and reliable idle at 2000 RPM and is part of a mature UAV EFI system with over 50,000 mission hours. Key benefits include precise mixture control at all altitudes and weather conditions, improved cruise BSFC, reduced exhaust port carbon buildup, and an expanded throttle-RPM operating envelope compared to carburetor systems.
B60i Engine Details
The B60i engine delivers 3.8 kW (5 hp) and weighs 1.75 kg (3.9 lbs) including essential components like the ECU, fuel pump, ignition, harness, sensors, and induction. With additional components such as the Sullivan generator and exhaust, the weight increases to 2.55 kg (5.62 lbs). The engine has a displacement of 60cc and operates within a speed range of 2100-8000 RPM. It uses gasoline with a 50:1 premix and has a cruise BSFC of 400-450 g/kW-hr.
Engine Overview
The B60i is the latest in Power4Flight’s line of 2-stroke fuel-injected engines, based on the Desert Aircraft DA-60 core. It offers reliable performance, high power density, and low fuel consumption. The engine is compatible with various motor/generators and mufflers, allowing for easy configuration to meet specific system requirements.
Performance Data
The document notes that specifications are preliminary and subject to change. The engine was tested with a KS86 exhaust system, achieving 3.8 kW at 7000 RPM at full throttle. BSFC is based on an RPM range of 4400 – 6400, with all test points measured on a calibrated motoring dynamometer.
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Catalog excerpts

B60i Engine-1

B60i Engine The B60i is the latest offering in Power4Flight's line of 2-stroke fuel injected engines. The B60i is based on the Desert Aircraft DA-60 core. This engine offers reliable, repeatable performance, high power density, and low fuel burn. The B60i is compatible with a variety of motor/generators and mufflers and can be readily configured to meet your system requirements. 60cc, fuel-injected, 2-stroke single High Power Density Low BSFC Smooth and reliable 2000 RPM idle Mature UAV EFI system with over 50,000 mission hours • Precise mixture control at all altitudes and in any weather • Greatly improved cruise BSFC • Virtually eliminates exhaust port carbon buildup • Significantly expanded throttle-RPM operating envelope vs. carburetor Power: 3.8 kW (5 hp)1 Weight: 1.75 kg (3.9 lbs) Includes ECU, fuel pump, ignition, harness, sensors and induction 2.55 kg (5.62 lbs) Includes above components plus Sullivan generator and exhaust Displacement: 60cc (3.7 cu. In.) Speed Range: 2100-8000 RPM Cruise BSFC: 400-450 g/kW-hr (0.66-0.74 lb/hp-hr)i Fuel type: Gasoline 50:1 premix

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B60i Engine-2

Visit www.power4flight.com today or call 541.308.0650 or 541.436.4299 Performance Data 1 Preliminary: specifications subject to change. Engine tested with KS86 exhaust system. Based on static tests. 3.8 kW achieved at 7000 RPM at 100% throttle. BSFC based on RPM range of 4400 – 6400. All test points measured on a calibrated motoring dynamometer. www.power4flight.com 202 Wasco Loop, Suite 104 Hood River, OR 97031 541.308.0650

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