Development of The Highest Altitude Balloon Using The Ultra Thin Polyethylen Film (BU 60-1)

宇宙科学研究所気球部門では，１９９１年以来，１０ｋｇ程度の観測器をより高高度に到達させる気球を開発してきた．１９９９年からは，厚み３．４μｍの気球用ポリエチレンフィルムを用いた気球を製作し飛翔実験を重ね，順次気球の大型化を進めてきた．本年，２００２年５月２３日に体積６０，０００ｍ＾３の気球を製作し，飛翔実験を行った．気球は正常に上昇し，高度５３．０ｋｍという気球到達最高高度の世界記録を実に３０年ぶりに塗り変えることに成功した．
The balloon group of the Institute of Space and Astronautical Science(ISAS) has been engaged in the development of such high altitude balloons with a thin film as to lift a light payload with a weight of about 10kg since 1991. From 1999, we made several balloons using the 3.4μm film and repeated test flights with enlarging their volumes step by step. In this year, 2002, we made a balloon with 60,000m^3 in volume and performed a test flight. The balloon reached the altitude of 53.0km, and it revised the world recoded of the highest balloon altitude established 30 years ago.
資料番号: SA0200102000