Which wing configuration is most likely to rely on gravity feed for carbureted fuels?

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Multiple Choice

Which wing configuration is most likely to rely on gravity feed for carbureted fuels?

Explanation:
Gravity feed works when the fuel tank is higher than the carburetor, allowing fuel to flow downward through gravity alone. In high-wing aircraft, the wing-mounted tanks sit above the engine and carburetor, so gravity can provide the fuel flow with little or no pumping. Low-wing designs place tanks at or below the engine level, which means gravity alone often isn’t enough to ensure reliable delivery across all attitudes, so a pump is typically required. That’s why the high-wing configuration is the one most likely to rely on gravity feed for carbureted fuels.

Gravity feed works when the fuel tank is higher than the carburetor, allowing fuel to flow downward through gravity alone. In high-wing aircraft, the wing-mounted tanks sit above the engine and carburetor, so gravity can provide the fuel flow with little or no pumping. Low-wing designs place tanks at or below the engine level, which means gravity alone often isn’t enough to ensure reliable delivery across all attitudes, so a pump is typically required. That’s why the high-wing configuration is the one most likely to rely on gravity feed for carbureted fuels.

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