Propellans.
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We used KNO3 65% Sorbitol 35%, this mixture has a teorical ISP 165sec, near we can measure in the test stand the real ISP. and thrust | |
| KNO3 has 50mic size and is mix with sorbitol, later is heat 15 minutes in the oven to 120: C to eliminate all water. after we heat to 220: C nearly you see that the mixture is melted. . | ||