- Messages
- 17,527
- Reaction score
- 9,768
- Location
- Somewhere between here and there
- # of dives
- 2500 - 4999
4 SPGs at a time? I guess so...
An old first stage could do two and you still need a first stage anyway
4 SPGS? One word, redundancy...unless of course one of the 5 O rings fail.