After we had just launched the bottle by itself we added some fins on the end and that helped balance. The bottle and let it cut through the air and made it aerodynamic and then they were going so high you can barely see the bottle.
Test light no | Psi | ml | notes |
1 | 60 | 300ml | it spun around to much |
2 | 60 | 500ml | went higher but still spun to much |
3 | 60 | 700ml | went ford a bit but no height |
4 | 60
| 200ml | went well but spun in the end |
5 | 60 | 150ml | it was going really well but spun out just in the end |
6 | 50 | 400ml | just went down kinda |
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