The superior efficiency gliders have fuselages which are saved rigid by the use of a balsa fuselage profile bonded to your paper components. The paper applied is sort of hefty, about 2 times the burden of ordinary drawing cartridge paper, but lighter than light-weight cardboard. Although the expression "paper aeroplane" https://telegramchineseversion27036.tribunablog.com/not-known-details-about-telegram-in-android-in-chinese-42900601