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  1. RP-1 Realistic Progression One for KSP 1.12.3 - Kerbal Space Program …

    Nov 27, 2019 · RP-1 Realistic Progression One Welcome to Realistic Progression One (RP-1), one of the most challenging and rewarding experiences available in KSP. RP-1 provides a well-developed …

  2. An idiot's guide to RP-1 (by me, an idiot) - KSP1 Mission Reports ...

    Jun 20, 2025 · First and foremost, the RP-1 tutorials are great and you should read those. This is more of a supplementary thing with some little tips and tricks that I've personally found during my time …

  3. RP-1 Realistic Progression One for KSP 1.12.3 - Kerbal Space Program …

    Nov 27, 2019 · RP-1 v2.0.0 - The Programs and Launch Complexes Update is now available on CKAN! The best option would be to create a completely fresh install of KSP, and then use CKAN to select …

  4. Wavey's RP-1 Craft Catalogue - Kerbal Space Program Forums

    Mar 3, 2023 · It's how you have to do it in RP-1. That's not a criticism of course; I like the sounding rocket phase, I think it's a good part of the RP-1 gameplay progression.

  5. RP-1 Realistic Progression One for KSP 1.12.3 - Kerbal Space Program …

    On 11/27/2019 at 8:13 AM, pap1723 said: RP-1 Realistic Progression One Welcome to Realistic Progression One (RP-1), one of the most challenging and rewarding experiences available in KSP. …

  6. RP-1 Realistic Progression One for KSP 1.12.3 - Kerbal Space Program …

    Nov 27, 2019 · This will be the final release for KSP versions 1.6.1 and 1.7.3. Changelog from Previous Version Contracts Increase manned Lunar flyby and orbit contract deadlines to 4 years Remove …

  7. RP-1 Realistic Progression One for KSP 1.12.3 - Kerbal Space Program …

    Nov 27, 2019 · Is there any way to regain the merge function while editing recovered vessels that was previously in KCT? I would love to be able to use it with my reusable spaceplane. Currently, when I …

  8. RP-1 Realistic Progression One for KSP 1.12.3 - Kerbal Space Program …

    Nov 27, 2019 · Current RP-1 has zero science below 40 km (except for hypersonic flight, which good luck hitting that with a prop) so why? I find it fun and challenging to build aircraft. I'm also using …

  9. It's Only Rocket Science! (RSS/RO/RP-1) - Kerbal Space Program Forums

    Feb 4, 2022 · RP-1 isn't so bad. I mean, I've done it before* and that went fine**. But, that was on easy mode because it was my first try, and there's a load of new stuff now to make life more difficult, and …

  10. Next Small Step: RP-1 Career Series - Kerbal Space Program Forums

    Mar 3, 2020 · The sounding rocket phase of an RP-1 playthrough can take quite a while, but we're getting close to the end of the beginning now. We're balancing work on the manned spaceflight …