...
- higher isp (Angry goat had 200-210 isp)
- increased efficiency
- burn closer to surface of propellant
Things to look into:
- energetic plasticizer
- different combinations of binders, curative and plasticizer
- combined HTPB and Tepanol https://www.rocketmotorparts.com/Hydroxyl-terminated_Polybutadiene_Resin_wCAO-5_Antioxidant___HX-752_Bonding_Agent_1_Gallon/p1577809_20282764.aspx
Notes on fuel and additives to fix slag issues
...