Gravimetric Blending System (GBS)
Offering unmatched precision of +/- 0.2% for the blending of primary, secondary, and standard reference fuels gravimetrically.
F4 Supercharge Rating System
with XCP® TECHNOLOGY
The CFR F4 Supercharge engine is an essential tool for the aviation industry, as it provides a comprehensive and consistent way to measure and ensure the quality and performance of aviation gasoline and aviation gasoline blending components.
By using the supercharge method and the CFR F4 engine, the aviation industry can benefit from improved safety, efficiency, and sustainability of piston-engine aircraft and aviation fuel.
Download Product Details
By using the supercharge method and the CFR F4 engine, the aviation industry can benefit from improved safety, efficiency, and sustainability of piston-engine aircraft and aviation fuel.
Download Product Details
The CFR F4 Supercharge rating engines are specified equipment for testing fuels according to:
ASTM D909:
Standard Test Method for Supercharge Rating of Spark-Ignition Aviation Gasoline
IP 119:
Knock Characteristics of Aviation Gasolines by the Supercharged Method
Features & Benefits
Real-time data recording of all engine parameters and test performance data.
An easy-to-use and comprehensive interface offering guided test setup, clear visual displays, and straightforward operational procedures.
The updated control system not only replaces outdated and obsolete technology but also bring significant improvements in efficiency, reliability, and functionality.
This new system harnesses the latest technology advancements to significantly enhance functionality and enable seamless future expansions.
F4 Supercharge Details
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Crankcase Assembly
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Crankcase Ventilation System
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Variable Compression Ratio Cylinder Assembly
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Cylinder Jacket Cooling Condenser Assembly
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Engine Lubrication System
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Exhause System
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Cooling Water Distribution & Drain System
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Ignition System
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Fuel System
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Intake Air System
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Engine Start / Speed Control System
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Dynamometer / Power Measurement System
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Electrical System
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Unit Temperature Monitoring Systems
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Unit Pressure Monitoring Systems
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Unit Protection Systems
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Data Aquisition System
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Motor Method (ASTM D909) |
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Engine Speed |
1800 r ⁄min ± 45 r ⁄min, under both firing and non-firing conditions. The maximum variation throughout a test shall not exceed 45 r ⁄min, exclusive of friction measurement |
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Fuel Injector Timing |
50° ± 5° ATDC on the intake stroke |
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Oil Temperature |
74 °C ± 3 °C (165 °F 6 5 °F) at the entrance to the oil gallery |
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Oil Pressure |
0.41 MPa ± 0.03 MPa (60 psi ± 5 psi) gage in the oil gallery leading to the crankshaft bearings |
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Air Temperature |
52 °C ± 3 °C (125 °F ± 5 °F) in the downstream leg of the air-flow meter and 107 °C ± |
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Air Pressure |
0.37 MPa ± 0.003 MPa (54.4 psi ± 0.5 psi) absolute at the upstream flange tap of the air flow meter |
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Supercharge Boosted Air Pressure |
Boost up to 60 inches of mercury for manifold pressure |
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Intake Humidity |
0.00997 kg of water/kg (max) (70 grains of water/lb) of dry air |
Accessories & Optional Equipment
Learn More
Volumetric Blending System (VBS)
The blending of primary, secondary, and standard reference fuels volumetrically.
XCP® TECHNOLOGY
Taking integrated data to the next level, this advanced system automatically captures data, eliminating manual adjustments and human errors.
Eager to Learn More?
The CFR Training Academy offers a variety of hands-on courses to enhance your skills.
Contact CFR to learn more about the F4 Supercharge Rating System
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