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EAA AirVenture Oshkosh RSS Feed MT-Propeller Announces New Ground-Adjustable Aluminum Propellers

By Sienna Kossman

MT-Propeller's new 5400 series of two-blade ground-adjustable aluminum propellers for vintage aircraft are reconstructions of rare models manufactured almost 70 years ago by Standard Steel Propeller Company.

"While MT-Propeller is known for what may be considered more 'modern' propeller designs, we recognized the important role we could play in keeping vintage aircraft flying and safe," said Gerd Muehlbauer, president of MT-Propeller. "We are pleased to offer these new ground-adjustable blades and completely new hubs."

The project to bring back this type of prop was started about 10 years ago by Greg Herrick, president of the Aviation Foundation of America Inc.

"We recognized the importance of finding someone to put these propellers back into production as the supply of used blades, some over 80 years old, began to dwindle," Herrick said. "Having newly manufactured blades available is an important part of keeping the world's fleet of vintage aircraft in the air and flying safely."

The new propellers are typically for radial engines of up to 450 hp at 2300 rpm, and 7 to 10 feet in diameter. There are three blade-model designations, and each is available in different lengths. The blades then are paired with one of two newly manufactured steel propeller hubs.

These new hubs and props are useful on a variety of radial engine powered aircraft, such as Boeing, Stearman, Ford, and Waco. They carry FAA Type Certificate No. P32BO.

For additional information, visit the MT-Propeller exhibitor booth in the Bendix/King by Honeywell Exhibit Hangar B this week or go to www.MT-PropellerUSA.com.

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