A Launch from ground to LEO can take a vehicle made of 80-90 percent fuel. The more fuel the safer it will be. It may sound counter-intuitive, but safety on a space bound vehicle requires that every last little bit of weight be discarded. A heavy launch craft is something that can cost lives. If you didn’t go to the bathroom this morning you might die. We’re not talking wrestler weight here, we’re talking clip your toenails. Click the image for a larger version.
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