Honeywell Starts Testing Upgraded T55 For CH-47

Credit: U.S. Army
Honeywell has started ground tests on a 6,000-shp version of the T55 engine, seeking to offer the U.S. Army a 23% thrust upgrade for the Boeing CH-47F Chinook fleet. The T55-GA-714C upgrade is Honeywell’s answer to a move by GE Aviation to offer the more powerful T408 turboshaft engine as a future...

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