Giggleplex777

They could be, but in the this case they're oxygen tankers.

The real space shuttle used the same hyperbolic bipropellant for its RCS and OMS.

I completed my space station today. Poking at the Mystery Goo. Happy New Year!

It's complete!

A modified Odysseus STS with a lab module lifts off from KSC. Docked!

Assembling my station.

Um... This is what happens when you forget to turn off hack gravity.

My new WIP space station: All components were launched by Munshines I and II.

My new hobby: Lifting rockets to orbit... with another rocket.

I lifted the Munshine III to orbit with the Munshine IX. I still had tons (literally) of fuel left!

I have been experimenting with a version of the shuttle that can lift 2m parts. It looks pretty ugly, but it can lift 5 tons to orbit.

I finally saw a comet tail!

I'm testing out a new version of the shuttle today: Merry Christmas btw!

Thanks! I had lots of fun flying it too.

About 3.2 tons.

The Munshine II is by far my most used launcher. I've built 5 space stations using only the Munshine II.

Those were mainly for the heavier payloads, where fuel pretty tight. The funny thing is, as you can see, I didn't finish the "how to fly" for heavier payloads.

That's A LOT of winglets!

I wanted to be thorough... Maybe a little too thorough.

Album: Specs: Max capacity: 5t to 300km orbit Total thrust at launch: 3519.45 kN Combined thrust of boosters: 2821.2 kN Thrust of each booster: 1410.6 kN Combined thrust of SSMEs: 698.25 kN (122% thrust) Thrust of SSME: 232.75 kN (122% thrust) Specific impulse of SSME: 374.1s Orbiter mass: 21t fueled Cost per launch: √111 305 Cost of shuttle: √46 592 Cost per kg to orbit (5t payload): √12.94 Shuttle can be flown unmanned. How to fly: Important tip: Tap F to lock heading. 1. SAS on, throttle at 20% 2. Hit Space to start SSMEs and then start throttling up 100% 3. Once the throttle is at 100%, you may hit Space again and the shuttle will lift off. 4. At T+ 10 seconds, roll 90 degrees (or to whatever the inclination of your target orbit is) so that the shuttle is pointing east. 5. After rolling, point nose at 85 degrees (from the horizon) 6. At 8km, pitchover to 70 degrees. 7. 60 degrees after 2nd SRB burnout 8. 50 d. after 350m/s (do not perform with heavy payloads, as the shuttle will pitchover by itself). If the shuttle is having trouble flying straight, you can fire the OMS (action group 9) for assistance. Just remember to deactivate it after the booster burnout. 9. Drop the boosters as soon as they burn out. At this point, the shuttle will start pitching up- try to correct it, but don't press the wrong buttons! 10. 30 degrees a few seconds after booster separation 11. 20 degrees past 40km 12. Throttle down a bit (try to stay above 2/3 throttle) and roll 180 degrees at 50km. Keep the nose at 15 degrees above the horizon. 13. Watch apoapsis and cut the throttle once at desired height (the shuttle may run out of fuel when lifting payloads before the apoapsis is high enough). Turn on fine controls for OMS flight. 14. Stage or press 9 to start the OMS. 15. Circularize the orbit. Orbital Activities - Press action group 1 to toggle the cargo bay doors. - Press action group 2 to toggle docking port covers. - Press 3 to release the payload Returning to Kerbin 1. Using the OMS control point, burn retrograde to deorbit. 2. Press 1 and 2 to retract everything. 3. Try to keep the nose slightly above the horizon during re-entry, but try not to pitch up too much. - The orbiter may flip if it has a lot of fuel in it, although flipping is usually caused by pitching up too fast and too much, which can be avoided. 4. After you drop below 12km, point the nose slightly below the horizon. 5. Deploy the landing gear when you get close to the ground. 6. Slowly lift the nose up and try not to lift it pass 20 degrees above the horizon. 7. Carefully land the shuttle (tailstrike hazard) Tip: If the shuttle flips while flying, pitch up until it is aligned with prograde and then fire the OMS if there is still fuel. If you are too close to the ground or unable to recover from a spin, press 0 to deploy the emergency chute. Action Groups [TABLE=class: outer_border, width: 400, align: left] [TR] [TD]1: Toggles the cargo bay doors 2: Toggles the docking port covers 3: Undocks/Decouples the docking ports in the cargo bay 8: Toggle crew ladder 9: Toggle the OMS 0: Deploy emergency parachute Abort: Detaches orbiter from the external tank[/TD] [/TR] [/TABLE] Download (0.25): Odysseus STS Block V Curseforge download Place in VAB. Album: Specs: Max capacity: 5t to 200km orbit Total thrust at launch: 3422.7 kN Combined thrust of boosters: 2821.2 kN Thrust of each booster: 1410.6 kN Combined thrust of SSMEs: 601.5 kN (105% thurst) Thrust of SSME: 200.5 kN (105% thurst) Specific impulse of SSME: 375s Orbiter mass: 20t fueled Shuttle can be flown unmanned. How to fly: Important tip: Tap F to lock heading. 1. SAS on, Coarse control on, throttle at 20% 2. Hit Space to start SSMEs and then start throttling up 100% 3. Once the throttle is at 100%, you may hit Space again and the shuttle will lift off. 4. At T+ 10 seconds, roll 90 degrees so that the shuttle is pointing east. 5. After rolling, point nose at 85 degrees (from the horizon) 6. At 8km, pitchover to 70 degrees. 7. 60 degrees after 2nd SRB burnout 8. 50 d. after 350m/s (do not perform with heavy payloads, as the shuttle will pitchover by itself) 9. Drop the boosters as soon as they burn out. At this point, the shuttle will start pitching up- try to correct it, but don't press the wrong buttons! 10. 30 degrees a few seconds after booster separation 11. 20 degrees past 40km 12. Throttle down a bit (try to stay above 2/3 throttle) and roll 180 degrees at 50km. Keep the nose at 15 degrees above the horizon. 13. Watch apoapsis and cut the throttle once at desired height (the shuttle may run out of fuel when lifting payloads before the apoapsis is high enough). Turn on fine controls for OMS flight. 14. Hit space, press 4 to jettison the cargo bay cover, and select "control from here" on the small docking port under the shuttle. This will allow you to control from the the OMS' thrust vector (which is 10 degrees below the nose of the shuttle). 15. Stage to start the OMS. 16. Circularize the orbit. Orbital Activities - Press action group 3 to toggle the ladder and light inside the cargo bay - Press 5 to release the payload - When using the OMS, use the bottom docking port's control point - When using the RCS, use the capsule's control point Returning to Kerbin 1. Using the OMS control point, burn retrograde to deorbit Deorbiting over the west part of the desert should get you close to KSC 2. Press 3 to retract everything 3. Try to keep the nose slightly above the horizon during re-entry, but try not to pitch up too much. - The orbiter may flip if it has a lot of fuel in it, although flipping is usually caused by pitching up too fast and too much, which can be avoided. 4. After you drop below 12km, point the nose slightly below the horizon. 5. Deploy the landing gear when you get close to the ground. 6. Slowly lift the nose up and try not to lift it pass 20 degrees above the horizon. 7. Carefully land the shuttle (tailstrike hazard) Tip: If the shuttle flips while flying, pitch up until it is aligned with prograde and then fire the OMS if there is still fuel. If you are too close to the ground or unable to recover from a spin, press 0 to deploy the emergency chute. Action Groups [TABLE=class: outer_border, width: 400, align: left] [TR] [TD]3: Toggles the ladder and light inside the cargo bay 4: Undocks/Decouples the upward pointing docking port 5: Undocks/Decouples the docking ports in the cargo bay 0: Toggles the crew ladder Abort: Detaches orbiter from the external tank[/TD] [/TR] [/TABLE] Example mission: Download (0.24.2): Odysseus STS Block IVPlace in VAB. Subassemblies (0.23.5): Odysseus STS Block III Sub Odysseus STS cover v2 (the cargo bay cover) Place in Subassemblies. Album: Specs: Max capacity: 4t to 80km orbit Total thrust at launch: 2155 kN Combined thrust of boosters: 1582 kN Thrust of each booster: 791 kN Combined thrust of SSMEs: 573 kN Thrust of SSME: 191 kN Specific impulse of SSME: 376s Orbiter mass: 20t fueled Shuttle can be flown unmanned. How to fly: Important tip: Tap F to lock heading. Sometimes, the SAS might glitch, so be prepared for brief periods of manual control. [TABLE=class: outer_border, width: 400, align: left] [TR] [TD]TL;DR -Coarse control is recommended for launch -Press action group 1 at 2:25 MET -Throttle down to 2/3 at 4:00 MET -Throttle down to 1/2 at 4:30 MET -It glides best when low on fuel[/TD] [/TR] [/TABLE] Launch 1. SAS on, Coarse control on, throttle at 20% 2. Hit Space to start SSMEs and then start throttling up 100% 3. Once the throttle is at 100%, you may hit Space again and the shuttle will lift off. 4. At T+ 10 seconds, carefully roll 90 degrees (you should tap the roll keys) so that the shuttle is pointing east. 5. After rolling, try to point nose at 85 degrees (from the horizon) 6. At 6km, point the nose at 80 degrees. 7. At 8km, pitchover to 70 degrees. 8. When you reach 200m/s, pitchover to 60 degrees. 9. 50 degrees when you reach 300m/s 10. At MET 00:02:00, hit action group 1 11. Move to 40 degrees when you reach 450m/s 12. Decouple the boosters when they burn out (when the big exhaust is gone). 13. 30 degrees at 600m/s 14. 20 degrees at 1000m/s (ORBITAL) 15. You may select "control from here" on the little docking port under the shuttle so you don't have to 16. At T+ 4:30, throttle down to 75% 17. At T+ 5:00 MET, throttle down to 50% 18. After the SSMEs cutoff, roll the shuttle 180 degrees, if have not already done so. Turn on fine controls. 19. Hit space, press 4 to jettison the cargo bay cover, and select "control from here" on the small docking port under the shuttle. This will allow you to control from the the OMS' thrust vector (which is 10 degrees below the nose of the shuttle). 20. Stage to start the OMS. 21. Circularize the orbit. Orbital Activities - Press action group 3 to toggle the ladder and light inside the cargo bay - Press 5 to release the payload - When using the OMS, use the bottom docking port's control point - When using the RCS, use the capsule's control point Returning to Kerbin 1. Using the OMS control point, burn retrograde to deorbit Deorbiting over the west part of the desert should get you close to KSC 2. Press 3 to retract everything 3. Try to keep the nose slightly above the horizon during re-entry, but try not to pitch up too much. - The orbiter may flip if it has a lot of fuel in it, although flipping is usually caused by pitching up too fast and too much, which can be avoided. 4. After you drop below 12km, point the nose slightly below the horizon. 5. Deploy the landing gear when you get close to the ground. 6. Slowly lift the nose up and try not to lift it pass 20 degrees above the horizon. 7. Carefully land the shuttle (high tailstrike hazard) Action Groups [TABLE=class: outer_border, width: 400, align: left] [TR] [TD]1: Shuts down mk55s in the boosters 3: Toggles the ladder and light inside the cargo bay 4: Undocks/Decouples the upward pointing docking port 5: Undocks/Decouples the docking ports in the cargo bay 9: Toggles the crew ladder Abort: Detaches orbiter from the external tank[/TD] [/TR] [/TABLE] Odysseus II STS Download: Place in VAB. Subassemblies: Odysseus II STS Sub Odysseus STS cover v2 (the cargo bay cover) Place in Subassemblies. 2000th post!

Fixed it for you. Use [noparse] tags.[/noparse]

I'm pretty sure the reason for the flip out was more pilot error on my end.

Testing it now! Edit: I had some trouble getting past the part where it flips out.

Welcome to the forums! I would like to try out your shuttle, but you didn't post a download link.