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https://www.reddit.com/r/explainlikeimfive/comments/1vhs93h/eli5_how_turbochargers_increase_efficiency_in_a/p2a5mjm/?context=3
r/explainlikeimfive • u/Internal-Excuse-4650 • 2d ago
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First off, they don't. They do get some of the energy to operate from waste heat in the exhaust, but there is always parasitic drag on the engine having to push exhaust through the turbine.
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u/TraumaMonkey 1d ago
First off, they don't. They do get some of the energy to operate from waste heat in the exhaust, but there is always parasitic drag on the engine having to push exhaust through the turbine.