Altaïr
Space Stig, Master of gravity
Staff member
Head Moderator
Team Kolibri
Modder
TEAM HAWK
Atlas
Deja Vu
Under Pressure
Forum Legend
Space Station around Mars.
Build ISS.
Build a space plane.
Build a space shuttle.
Build ISS.
Build a space plane.
Build a space shuttle.
And here is my recommendation list:
Perform a Grand Tour with a single build
Mod SFS
Learn the Tsiolkovski equation
Make a rocket that can lift more than 1000 tons to orbit
Make your own delta-V calculator
Lift off from Jupiter and reach orbit
Learn to calculate a Hohmann transfer
Write a program that designs a launcher for you
Translate SFS in your native language
Perform a Moon Tour with a rover
Make your own delta-V map
Enclose Deimos in a huge structure
Be a profesor in the USFS
Design your own gravity assist trajectories
Translate SFS in a fictional language
Be the author of SFS
If you comply with some of the above, you're probably a SFS nerd