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ORBITER-FORUM will be temporarily closed at 2026-07-23 18:00 UTC while we complete some OF maintenance tasks. The amount of downtime is expected to take up to one hour, but probably less.
Mesh remodelling, upper stage extended to 52m, fins remodelled, etc.
Thrust and propellant mass specs changed to match SpaceX figures.
Stage separation cleaned up.
Completely new RCS configuration.
New and improved crazy algorithms for launch and landing.
Added Mars hyperbolic entry/landing autopilot.
Now able to select Tanker source tank for fuel transfer.
Horizontal groundspeed displayed in HUD reentry data.
Mechazilla animation/attachment position bug fixed (I hope).
Increased number of engines on 1st stage to 33.
Tweaked ascent program and 1st stage fuel reserve estimation.
New "pitch down-up" maneouvre for stage separation in ascent program.
1st stage improved aerodynamics, new RCS system, roll control now mainly by aerodynamic control surfaces (Grid Fins), tweaked descent/landing autopilot guidance.
New docking port position for back-to-back docking Starship/Tanker.
Some mesh modifications.
etc.
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