What are the Advantage and disadvantage of turboshaft engine?
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Advantages: in dense air, i.e. lowerlevels, a propeller has a higher efficiency than jet exhaust; generally turboprop aircraft can operate into shorter runways than jets; the propeller can be feathered to minimize drag in the event of engine failure, which is not possible for jet or turbofan engines.
The main disadvantage of gas turbines is that, compared to a reciprocating engine of the same size, they are expensive. Because they spin at such high speeds and because of the high operating temperatures, designing and manufacturing gas turbines is a tough problem from both the engineering and materials standpoint.
The main disadvantage of gas turbines is that, compared to a reciprocating engine of the same size, they are expensive. Because they spin at such high speeds and because of the high operating temperatures, designing and manufacturing gas turbines is a tough problem from both the engineering and materials standpoint.
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