Abstract
The National Scientific Balloon Facility (NBF) of the Tata Institute of Fundamental Research (TIFR) has been conducting regular balloon flights for various experiments in the areas of Space Astronomy and Atmospheric Sciences. A continuous improvement in all aspects of Scientific Ballooning through a sustained R and D programme ensures uptodate services and a better handle on the design specifications for the balloon. Recent developments in balloon grade films, continuous improvements in design specifications, balloon manufacturing methods, flight operational procedures and improved balloon flight capabilities have resulted in a greatly improved flight performance in the last five years. A launch capability upgradation programme in terms of new launch spool and new launch vehicle has been initiated to be able to safely launch balloons with gross lifts upto 3500 kg, balloon volumes upto 450,000 m 3 and payloads upto 1400 kg. A series of steps have been initiated to improve long duration flight capabilities. In this paper, we present details on some of these aspects of Scientific Ballooning in India.
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