Black powder
it is to successfully make black powder and do tests on it , to known wheater it works as a rocket fuel.
Making
We used potassium nitrate(75%), charcoal(15%), sulphur (10%), we had obtained charcoal from coconut shell. We tested it and it worked.
The burn time experiment
We calculated the burn rate on both
| The fuel |
Length(cm) |
Time(sec) |
Burn rate(cm/s) |
| Black powder |
22 |
4 |
5.5 |
| Sugar fuel |
22 |
9 |
2.44 |
The engine test
it did not give any thurst, and there is a risk of explosion, ignition is though, the burn time is less.