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Benefits of twin-in/single-out propulsion

Four into two arrangement can help with mid speed fuel economy, but that often isn't enough by itself to justify the complexity. Sometimes, the the general arrangement of things is better. The two ...
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1 vote

Benefits of twin-in/single-out propulsion

Using two can make low to mid propulsion more efficient with full power available with both. Otherwise one single could be running out of its efficiency band if the load required is low. Case in point ...
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