This post is also available in:
עברית (Hebrew)
The U.S. Air Force is nearing a major milestone in enhancing the efficiency and capabilities of its C-17 Globemaster III fleet with the implementation of microvane drag reduction technology. After successful testing, the Air Force is now entering the final evaluation stage, aimed at optimizing operational performance through these innovative devices.
Developed through a collaboration between the Air Force Research Laboratory, private sector partners, and the Air Force Lifecycle Management Center, the microvanes are designed to improve fuel efficiency by reducing aerodynamic drag. As explained in the press release, these sleek, 3D-printed devices, measuring 4×16 inches, are attached to the C-17’s rear exterior using a strong adhesive. This technology has already demonstrated a 1% reduction in drag and fuel consumption, which may seem small but has far-reaching implications for operational efficiency, especially during long-distance missions.
By addressing aerodynamic drag, particularly caused by the C-17’s upswept cargo door, microvanes enhance fuel efficiency and extend mission range. This provides a cost-effective solution for improving the operational capacity of the C-17 fleet, which supports a range of missions across the Air National Guard and Air Force Reserve.
The anticipated financial benefits are considerable, with savings of over $14 million annually expected from reduced fuel consumption alone.
The technology has already received approval from the U.S. Army for use in paratrooper airdrop missions, and as of October 2023, the Air Force moved into the final phase of flight testing, including assessments for air refueling and assault strip operations. A C-17 aircraft, now stationed at Stewart Air National Guard Base, is the first in the fleet to feature permanent microvane installation, according to the press release.
As the microvane initiative nears its fleetwide rollout, its potential to enhance fuel efficiency and operational range positions the C-17 fleet as a more agile and effective asset for the U.S. Air Force, ensuring improved readiness for global military engagements.
