The engines that power our cars — even the smallest ones — are extremely heavy. While smaller engines like four-cylinders and V6s can weigh between 200 and 450 pounds, larger motors like heavy-duty ...
Aviation Week editors Sean Broderick, James Pozzi and Lee Ann Shay discuss CFM Leap 1A and 1B engine developments, from newly certified blades that should be better suited to harsh environments to ...
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