Fuselage
The structure or airframe that houses payload, crew or passengers.
NASA
National Aeronautics and Space Administration
Angle of Attack
The angle between the long axis of a rocket and the direction of the air flowing past it.
Fin Alignment Jig
A device used to align and hold in place fins to a body tube.
Hatch
A door in the side of a spacecraft or aircraft
NACA
National Advisory Committee for Aeronautics; predecessor to NASA
Burn Rate
The rate at which a substance is consumed by burning, such as propellant or a fuse.
Fillet
A smooth line of adhesive which is built up at the root of a fin to strengthen the joint formed by the fin and the body tube.
Flap
a movable control surface on an aircraft or rocket that deflects air. Ailerons, elevators and rudders are all flaps. Flaps are also used as airbrakes.
JIC
Just In Case: Any precaution taken to avoid trouble, such as sanding residue off igniter clips.
Burnout Velocity
The velocity achieved by the model at burnout.
Cone
Nose Cone
Bulkhead
A solid partition in the rocket, especially one set perpendicular to the rocket's long axis, designed to not allow gases to pass.
JATO
Jet Assited Take Off
Caliber
Caliber is used in rocketry as a comparison to the rocket's diameter.
Copperhead
The trademark name for an igniter produced by AeroTech, Inc.
Rotor Blades
Wing-like extensions, rotating around a central hub of a helicopter or autogyro.
MAD
Magnetic Apogee Detector.
Average Thrust
The total impulse (in Newton-seconds) divided by the length of burn time.
Gusset
A roughly triangular shaped piece of material added to reinforce a joint, often in a corner.