Yes, same engines as the UH1-N and the two Cobras you mentioned. Also installed in modified Sikorsky S-58s that originally had a radial engine, and another version of the Twin-Pac used as a power unit (ST series). The military T400 version uses PT6T-6 insteaad of the commercial PT6T-3 series.
The AH1-W and UH1-Y are complete upgrades including the GE CT-7 engines and Bell 214 type drivetrain, close to doubling the power of the Pratts and drivetrains of the UH1-N and AH1-T.
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Today's Featured Article - Sunday Drives - by Cowboy. Summer was finally upon us here in Northern Maine. We have two types of industry up here, one being "Forestry" (Wood Products) and the other "Farming" (Potatoes). There is no shortage of farm tractors and equipment around here! I have been restoring old Farm Tractors for the past 6 years, and have found it easier and less expensive to hit all the auctions and purchase whole tractors for parts needed. My wife who works at a local school, and only has weekends and summers off, while on t
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