GAMI’s G100UL Unleaded Fuel Successfully Powers Historic WWII Aircraft

According to GAMI, the warbird’s 2000-hp Pratt & Whitney R-2800 Double Wasp engine is the most powerful to fly on the G100UL fuel.

Amelia Walsh

Monday, July 22, 2024 at 10:25 AM

Verified

Edited By:

Travis Tingle

George Braly of General Aviation Modifications, Inc. waves to spectators from the cockpit of the A-26 after landing at Ada Regional Airport (KADH). [Courtesy: GAMI]

Key Takeaways:

GAMI's unleaded aviation gasoline, G100UL, successfully powered a Douglas A-26 Invader WWII bomber for the first time.
The A-26's 2,000 hp Pratt & Whitney R-2800 engine is the most powerful engine to date to successfully operate on G100UL.
The successful flight demonstrates G100UL's high-octane performance and its potential to support the continued operation of historic warbirds.
This achievement highlights the progress of unleaded avgas alternatives for legacy aircraft.

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On Wednesday, General Aviation Modifications Inc. (GAMI) achieved another milestone in developing its unleaded aviation gasoline, G100UL, when it powered a World War II-era bomber, the Douglas A-26 Invader, for the first time.

The aircraft took off from Ada Regional Airport (KADH) in Oklahoma and flew over Lake Atoka during the 60-minute flight. According to GAMI, the warbird’s 2,000 hp Pratt & Whitney R-2800 Double Wasp engine is the most powerful to fly on the G100UL fuel.

READ MORE: GAMI Responds to Cirrus G100UL Service Advisory

“This big-bore radial engine operating at up to 48-inch MP demonstrates the excellent high-octane performance of the G100UL high octane unleaded avgas,” GAMI said in a statement. “The ability to successfully operate this engine as such on an unleaded fuel supports the continued operation of these and many other warbirds well into the future.”

Editor’s Note: This article first appeared on AVweb.