'This is possibly the dumbest space thing I've ever seen...'
about the asteroid mining plans, writing that the story "sounds pretty unbelievable, but unfortunately it is true" in an eyebrow-raising footnote.
That means the rocket is girthy as hell, measuring some 113 feet across at the base, which is an ungainly four times the width of SpaceX's Starship. Popescu also said that "we are not actually the first to propose this idea," pointing to German rocket maker OTRAG. That company, which went defunct in 1987, similarly suggested using mass-produced units spread out across several stages to launch heavy payloads into orbit in the 1970s.
To that end, the EcoRocket's name suggests that it was designed with the environment in mind, but Popescu said that wasn't the original intent. That's when the team decided to have only the upper stages use polluting fuels — a hydrogen peroxide mix that includes kerosene — to give payloads the extra lift they need to enter orbit once past the atmosphere.
Tradeoffs aside, does ARCA's vision actually amount to a rocket that can perform in the real world, nevermind reach a distant asteroid?
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