This is an opinion column. A new propeller design will likely start popping up on boats in Alabama and across the nation in the next few months—provided that the manufacturer eventually gets the price ...
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Controllable pitch vs fixed pitch propellers, how ships control thrust without changing engine RPM
Most ships control speed by changing engine power, but vessels with controllable pitch propellers adjust the blade angle ...
Led by calls to reduce emissions (CO2, NOx, PM-values), while at the same time increasing energy efficiency with a long-term eye on the diminishing supply of fossil fuels, it is clear for all that ...
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