Thanks for reply, that clarify messy old KJR thread a bit. So, as summary of available KJR forks, community can use: KJR fork from this thread, direct continuation of Ferram's work, recompiled for latest KSP New features from changelog, after KSP 1.3.x: --Launch Clamps can now be set to completely rigid --If physics jolts cause a vessel with launch clamps to shift out of PRELAUNCH then put it back in PRELAUNCH. (and reset launch / MET timers) -- drawback is that may not work pr
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