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and was mainly intended for use in training airplanes. Only two examples of the L-4B were produced, since other types of engines were available and in production. While the engine was ground-tested, it is unknown if the L-4 was ever test-flown. The L-4 was created as part of a US aircraft engine
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Abandoned military aircraft engine projects of the United States
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431:. If you have a source, you can help Knowledge (XXG) by
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development effort which also created the six-cylinder
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Liberty Engine: A Technical & Operational
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182:Four-cylinder inline piston engine
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227:Performance
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153:Liberty L-6
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110:Liberty L-6
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196:Stroke
134:inline
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187:Bore
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
