Repro Steps:
1. Launch DesignerCraft.xml
2. Throttle to 100% and activate stage 1
3. Adjust pitch to about 70 degrees
4. Wait until 30km altitude
5. Quick Save
6. Activate Stage 2 and 3 in quick succession
7. Note how the boosters separate
8. Quick Load
9. Activate Stage 2 and 3 in quick succession again and note that they separate a bit differently.
Repro Steps:
1. Launch DesignerCraft.xml
2. Throttle to 100% and activate stage 1
3. Adjust pitch to about 70 degrees
4. Wait until 30km altitude
5. Quick Save
6. Activate Stage 2 and 3 in quick succession
7. Note how the boosters separate
8. Quick Load
9. Activate Stage 2 and 3 in quick succession again and note that they separate a bit differently.