How to Choose a Two-Stroke Aviation Engine: A Buyer’s Guide

Choosing the right aviation engine has a direct impact on endurance, payload and safety. The most important factors to consider: - Static thrust: match the engine’s thrust at your operating altitude to your aircraft’s takeoff weight. - Power-to-weight ratio: lighter engines leave more margin for payload. - Cooling: forced air cooling is simpler and more reliable than liquid cooling for most small aircraft. - Ignition: CDI automatic-advance ignition improves starting and smooth running. - Serviceability: choose an engine with available spare parts and technical support. FQ Engine offers the FQ-350 and FQ-550 platforms with full specification sheets and technical support to help you make the right choice.