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Single Crystal Blades Technology for Helicopters-- DRDO

Published on April 29, 2021
Current Context: The Defence Research and Development Organisation (DRDO) has developed single-crystal blades technology for helicopters.
Single Crystal Blades Technology for Helicopters-- DRDO
  • It has also supplied 60 of these blades to Hindustan Aeronautics Limited (HAL) under an indigenous helicopter development programme for engine application.
  • This development is part of a programme undertaken by the Defence Metallurgical Research Laboratory (DMRL) which aims to develop five sets of single-crystal high-pressure turbine (HPT) blades by using a nickel-based superalloy.
  • The main objective to develop single crystal blades technology is that the helicopters which are particularly used in strategic and defence applications are supposed to be with engines which are compact and strong as well. So to achieve this goal state-of-the-art single-crystal blades are designed by DRDO.
  • The state-of-the-art single-crystal blades are manufactured out of nickel-based superalloy. They are capable to resist high temperature.
  • Static Part: 
    • HQ of DRDO: New Delhi
    • Chairman of DRDO: Dr G Satheesh Reddy


Q.1 Which organisation developed single-crystal blades technology for helicopters?
c. Bharat Electronics Limited
d. Bharat Dynamics Limited
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