What compound, known as aqua fortis or spirit of niter is used in rocket propellant?
Able (rocket stage) Able rocket stage was a rocket stage manufactured in the United States by Aerojet for the Vanguard rockets used in the Vanguard project from 1957 to 1959. The rocket engine stage use as a rocket propellant Nitric acid and UDMH. Able rocket stage was the second of three stages on the multistage rocket Vanguard. The Able rocket stage was discontinued in 1960. A further improved versions were used in the upper stage in the Thor rocket family (Thor-Able). An upgrade to the Able Stage was the Thor-Ablestar rocket. The Ablestar second stage was an enlarged version of the Able rocket stage, which gave the Thor-Ablestar a greater payload capacity compared to the Thor-Able. It also incorporated restart capabilities, allowing a multiple-burn trajectory to be flown, further increasing payload, or allowing the rocket to reach different orbits. It was the first rocket to be developed with such a capability and development of the stage took a mere eight months.
Pentolite Pentolite is a composite high explosive used for military and civilian purposes, e.g., warheads and booster charges. It is made of PETN phlegmatized with TNT by melt casting.