Later, as they began making cloth balloons, they observed that by launching progressively larger balloons, they were able to achieve higher altitudes and they could lift additional payload.
हा विक्रम कायम केल्यावर त्यांनी ठरवले की आता लोकांना घेऊन उड्डाण करणारा फुगा तयार करण्याची वेळ आली होती.