International Sugar Journal

Has the industry benefited by reducing billet length?* [Full subscriber]

Abstract Over the 40 years since the adoption of chopper harvesting in Australia, there has been a trend in reducing billet length, with an acceleration in this trend in the past decade. Early chopper systems in harvesters generally had two blades/drum, whereas five blade and six blade per drum systems are now common. This change has been driven by the assumptions that shortening billet length will both enhance the cleaning performance of the harvester extractor system, and improve load density. Both these factors are of critical importance at the high harvester operating speeds now deemed essential and the subsequent higher…

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