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An investigation revealed that the Kevlar rocket bottle had accumulated a triboelectric charge in the cold dry weather; as the engine was removed from the container the electrical charge began to flow and created a hot spot that ignited the propellant.
HGM-25A Titan I ICBMs were liquid-fueled rockets using LOX/RP-1 propellant which required the missiles to periodically be removed from the launch silos for servicing.
Arcjets are a form of electric propulsion for spacecraft, whereby an electrical discharge (arc) is created in a flow of propellant (typically hydrazine or ammonia).
In one unique design, the engine is submerged in the UDMH propellant tank to save space (SS-N-23 submarine-launched ballistic missile).
Dust-Off is a brand of dust cleaner (refrigerant-based propellant cleaner, which is not compressed air and incorrectly called "canned air") containing difluoroethane; it is used to remove particulates and dust from computers and electronic equipment.
Corrections can be added for conditions such as a difference between target and howitzer altitudes, propellant temperature, atmospheric conditions, and even the curvature and rotation of the Earth.
James Richard Haskell was an American inventor chiefly remembered for his invention (with Azel S. Lyman) of a multi-charge gun which was intended to increase muzzle velocity by detonating additional propellant charges behind the projectile or shell as it moved up the gun's barrel and was a distant ancestor of the World War II German V-3 "supergun".
Except in extremely low pressure loads, the exiting propellant gasses generate much higher sound pressure levels (dBa) than any other aspect of the weapon firing.
SS-N-23, a 1986 Russian liquid propellant, submarine-launched ballistic missile
The 'Laboratorium Bahan Baku Propelan ("Combustion Propellant Laboratory") researches propellant, such as oxidizer Ammonium perchlorate and Hydroxyl-terminated polybutadiene.
The VASIMR is currently being developed by the private company Ad Astra Rocket Company, headquartered in Houston, TX with of help from a NS Canada based company Nautel, producing the 200 kW RF generators for ionizing propellant.
The first stage is one of the largest solid-fuel rocket boosters in the world and carries 138 tonnes of Hydroxyl-terminated polybutadiene (HTPB) bound propellant with a diameter of 2.8 m.
Dichlorofluoromethane, a hydrochlorofluorocarbon used as a propellant and refrigerant
This propellant was used in some of the amateur rockets described by Homer Hickam in his best-selling memoir Rocket Boys.
Rodong-1, a single stage, mobile liquid propellant ballistic missile developed by North Korea with a range of 900-1300km
The Space Shuttle Orbital Maneuvering System (OMS), is a system of hypergolic liquid-propellant rocket engines used on the Space Shuttle.