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Posted by: Terraformer - Thu Oct 12, 2017 8:30 pm
The Space Fellowship :: View topic - Ramjet
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Author:  Terraformer [ Thu Oct 12, 2017 8:30 pm ]
Post subject:  Ramjet

Well, an airship has a very large frontal area to make up for the thin air at that altitude, so...

Ramjets top out at around 2km/s, so it's not going to get you to orbit, but perhaps it could be useful as a reusable first stage? Cutting 2-3km/s off the required delta-V makes getting into orbit so much easier, so a rockoon could get you the rest of the way.

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