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This is an archive article published on August 3, 2023

CSIR-NAL develops airboat to remove weeds from lakes

'JALDOST is a remarkable feat of indigenous engineering aimed at conserving water bodies more effectively,' CSIR-NAL said.

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airboat bengaluruThe technology is developed in a way that JALDOST while navigating on the water bodies will not sink.
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CSIR-NAL develops airboat to remove weeds from lakes
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Council of Scientific and Industrial Research-National Aerospace Laboratories (CSIR-NAL), Bengaluru Wednesday unveiled JALDOST, an airboat that removes aquatic weeds from lakes and rivers. An airboat is powered by an aircraft engine.

“Our country is blessed with huge inland water bodies, which often get contaminated with waste materials and aquatic weeds. JALDOST is a remarkable feat of indigenous engineering aimed at conserving water bodies more effectively. It operates on water and is designed to remove excess aquatic weeds and floating waste from water bodies, thereby promoting a cleaner and healthier environment,” CSIR-NAL said in a statement.

The technology is developed in a way that JALDOST while navigating on the water bodies will not sink.

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“The JALDOST has a closed airtight pontoon to make it inherently unsinkable. It has a hybrid propulsion system comprising air propulsion and paddle wheel propulsion. Paddle wheel propulsion is useful for turning maneuvers and for reversing operations. Air propulsion provides additional thrust to travel faster to shore and return,” an official working at CSIR-NAL explained.

“The ability to travel through weeds makes it an ideal platform to collect them and bring them to the shore. A steel mesh belt conveyor system fixed in the front collects the wastes continuously. The collected waste falls on the horizontal deck conveyor, which holds it on board. After reaching the shore, the collected waste is unloaded by a rear conveyor system to trucks/tractors,” stated the release.

NAL director Abhay Anant Pashilkar said, “We have 190 lakes in Bengaluru where this could be put to use. JALDOST will meet the civic body Bruhat Bengaluru Mahanagara Palike’s (BBMP) requirements to remove weeds from the water bodies.”

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