搜索 - 科创

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那层黄色的纸就是隔热层，32直径PPR的发动机工作2秒多没问题，不是全面燃烧是内孔燃烧，没用辅助点火用的是两根绿色引线一起点燃。

720的喷燃比对RNX压力不大，如果用你的钛发动机，肯定没有问题，要注意的是RNX火焰感度很高，必须用点火药辅助点火。点火药俺习惯用敲碎的KNSU，BP应该也可以。祝你新年首飞成功。

你算错了，钛的拉伸强度是180kg/mm2合180M。根据管材可承受的压力（MPa）=管材的抗拉强度（MPa）*管材的壁厚（m）/管材的内径（m）。算下来理论耐压为22.5M（未除安全系数），如果按9...

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