A 77-Mile Hybrid Drone Flight: The Valmont Inspection Case
Explore the reported 2023 Valmont inspection flight using a Harris Aerial drone, and the historical HYBGEN 32 connection described by Löweheiser.
Technical guides
Technical articles on UAV engines, electronic fuel injection and hybrid generators. Explore integration requirements, fuel-consumption calculations and documented application examples.
EFI for UAV Engines: Benefits, Calibration and Limitations
Understand how EFI manages fuel delivery in UAV engines, what calibration changes, and which requirements to check before replacing a carburetor.
34 cc Fuel-Injected Engine: A Zenoah-Based Development Project
Explore a historical 34 cc Zenoah-based EFI engine project, its intake and crankcase changes, and the test evidence to request for a new application.
Honda GX35 for UAV Projects: What to Check Before Integration
Assess the Honda GX35 as an engine-development candidate: lubrication, installation, EFI interfaces and the evidence needed for a UAV application.
Walbro Carburetors and EFI Throttle Bodies: Dimension Reference
Understand Walbro carburetor bore measurements and mounting patterns, with a historical reference table for discussing an EFI throttle-body conversion.
Heavy-Fuel UAV Engines: Injection Types and Compatibility
Understand direct and indirect injection in heavy-fuel UAV engines, and the fuel, starting and validation questions to ask before selecting a configuration.
Brake-Specific Fuel Consumption for UAV Engines: Units and Calculation
Calculate UAV engine BSFC in g/kWh, check a worked example, and understand the operating conditions needed for a useful fuel-consumption comparison.
Small Engine EFI Conversion: Engine and Carburetor Reference
Find historical engine and carburetor references for EFI conversion, then check mounting, fuel system and calibration requirements for your engine.
Löweheiser EFI and Quaternium: A Historical HYBRiX Collaboration
A historical account of Löweheiser EFI in Quaternium’s HYBRiX programme, with engine telemetry lessons and context for new UAV integrations.
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