Heavy Fuel Engines is...

Innovative Design

The Spectre Twin represents the first heavy fuel engine developed specifically for UAV applications. Using the superb heavy fuel performance of the HF1 engine, Mr. Guy developed the Spectre twin from the "ground-up," analyzing every aspect of UAV propulsion systems. No detail has been spared in the manufacture of this new engine, and numerous innovative features assure remarkable heavy fuel performance and unsurpassed reliability in extreme conditions. The Spectre Twin only makes heavy fuel operation a reality in the UAV industry, it does so in a package that will outperform and outlast current UAV gasoline alternatives.

Features of the Spectre Twin include: