月船2与嫦娥简单对比 |
送交者: 2019年09月12日19:29:03 于 [世界游戏论坛] 发送悄悄话 |
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simple comparisons of India's lunar lander Vikram and China's Change4 1). Vikram weight 1470 kg, Change4, 1230 kg 2). Pragyan rover, 24 kg, Change 4 Yutu rover, 140 kg 3. life for Pragyan 14 days, Change4 Yutu rover, over 9 months now, still working 4). engine, Vikram has 5 engines, each has 800 N, total, 4000 N, China Change 4, 1 engine power 7500 N. 5). power/weight ratio: Vikram, 4000 N/1470 kg = 2.72 N/Kg China Change 4, 7500 N / 1230 kg = 6.098 N/Kg 6). temperature control, Vikram, none, so only can stay on the moon for 14 earth days, 中国嫦娥自带推力是月船2的2-3倍, 稳定的悬停月球上空100米,印度这完蛋破烂只好一头摔下去 |
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