LINK to the old Jool-5 thread. There are hundreds of pages of entries and discussion, so look at it to see what worked and what didn't!
IMPORTANT INFO
The Jool 5 Challenge has a new owner! @JacobJHC has started the new thread here: The Ultimate Jool 5 Challenge Continuation for 1.4/ Making History
Post your new entries there! This thread is now closed to new entries.
CHALLENGE RULES
Given the scale of this challenge, everyone who completes the mission succes
For my entry I used only three engines.
By letting the nosecone overheat I was able to reach 1640 m/s in air breathing mode, This greatly reduced the amount of lf/ox I needed to carry. Last entry i made had 13 oscar b tanks, this one needed only 6.
I found that the radial ram intake gave better performance then other intakes, they seam to have better drag/intake air ratio then other intakes. I needed 3 of them to avoid the rapier loosing thrust at 15+ km altitude
I made LKO ->