Morgan and I were scrolling through the motor thrust curve files trying to find a thrust curve that we liked that didn't CATO. At first, we were just looking at the thrust curves but then we realized that we wanted to use black powder core burners instead of end burners with sugar or potassium nitrate. We came across Fehung, Alex W, Nancy, and Alex S's thrust curve, and we saw that they had a cored burner with black powder for their rocket. Also, their core was sized differently halfway like Morgan and I planned on having, but ours didn't work and theirs did. I was interested mostly in their rocket because their rocket had a 7/32" nozzle which ours didn't have, so they have the element that we were missing, that made our rocket CATO.
Here's their thrust curve:
Here's their thrust curve: