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A proposed Angara variant would be able to orbit 100 tons. It would require a larger core stage using RD-180, and so be a substantial new development. The exist
by jccooper 12y ago
A proposed Angara variant would be able to orbit 100 tons. It would require a larger core stage using RD-180, and so be a substantial new development. The existing cores would function as strap-on boosters. It's not likely.