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HAL receives single-crystal blades for helicopter engines 26 Apr 2021 (Last Updated April 26th, 2021 16:10) India-based Hindustan Aeronautics Limited (HAL) has received 60 single-crystal blades for helicopter engines from the Defence Research and Development Organisation (DRDO). Share Article Single-crystal blades for helicopter engine application. Credit: Indian Ministry of Defence / Press Information Bureau. India-based Hindustan Aeronautics Limited (HAL) has received 60 single-crystal blades for helicopter engines from the Defence Research and Development Organisation (DRDO). The Indian Ministry of Defence (MoD) said that the technology had been developed as part of a programme taken up by the DRDO’s Defence Metallurgical Research Laboratory (DMRL). A total of 300 single-crystal high-pressure turbine (HPT) blades will be developed and delivered in five 60-blade sets. The remaining four sets are expected to be delivered at a

United kingdomRajnath singhHindustan aeronautics limitedDefence metallurgical research laboratoryIndian ministry of defence moDevelopment organisationDefence researchIndia based hindustan aeronautics limitedIndian ministryMetallurgical research laboratoryDefence minister rajnath singhIndian modஒன்றுபட்டது கிஂக்டம்ராஜ்நாத் சிங்ஹிந்துஸ்தான் வான்செலவுத்துறை வரையறுக்கப்பட்டவைபாதுகாப்பு உலோகவியல் ஆராய்ச்சி ஆய்வகம்