The Rotorvane Background Origin Evolution

摘要

Mr. R. N. Chatterjee, ex-Technical Manager of Andrew Yule & Co. Ltd., Port Engineering Works, Howrah, under whose expertise and able-guidance the Commercial Model of McTear Rotorvane, B.L.C. Ball Breaker and Aerator, and equipments ancillary to Rotorvane and the Disc Roller of 48" size were designed, developed and manufactured herein narrates the determinants which called for introducing further Improvement in Series-III ; Rotorvane-15" and In Series-B : Rotorvane-8". In this part of the article theauthor describes the nature of modifications incorporated giving a few Illustrations.