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遵照毛主席关于“抓革命,促生产,促工作,促战备”的教导,我厂职工为了配合人工消雹工作,经过反复试验,于去年7月试制成功了“40型塑料土火箭”,飞行高度2600米。 在试制过程中,我们体会到掌握好发射药的密度是制造土火箭的技术关键。密度小了,黑火药燃烧快,燃气的压力大,会使箭筒爆炸;密度大了,黑火药燃烧慢,燃气少,推力不足,土火箭航向不正,飞行高度低。经多次试验后,我们发现,把药的密度控制在1.8—1.9克/厘米~3之间为最好。
In accordance with Chairman Mao’s teachings of “Grasping the Revolution, Propelling Production, Promoting Work, and Accelerating War Preparation”, in order to cooperate with the artificial hail removal work, our factory workers tried and succeeded in trial production of the “40 Type Plastic Earth Rockets” in flight last July Height of 2600 meters. During the trial production process, we realized that having the density of the propellant propellant is the key technology for making soil rockets. Density is small, black powder fast burning, gas pressure, will make the arrow tube explosion; density, black powder slow burning, less gas, lack of thrust, earth rocket heading is not correct, flying low. After many tests, we found that the drug density control in the 1.8-1.9 g / cm ~ 3 between the best.