Seems to the using of the fuel, application, is the trick to fast ignition source. Such as the rocket fuel. Which motor? We do caution people on catalyst useages, that one must know what they are using chemicaly before they do use it. Such as, do not use sodium hydroxide as catalyst for hydrogen on an aluminium type engine to make hydrogen for. If some of it gets inside , the aluminum itself will become part of the ingredient making more hydrogen for you. Upon the ignition. That means in easy terms, the motor dissapears. Becoming hydrogen gas. However, other type sodium can be used without to have this problem.