[KoD] and [Navic] are building solid propellant motors using sugar and potassium nitrate. They cook up the two ingredients along with water and a bonding agent. They find that corn syrup is ...

While melting and casting the Sorbitol-based propellant grains is much easier than a sugar-based ... say making larger rocket engines out of 2 or 3-inch PVC may not make much sense due to the ...