|
Open circuit |
An incomplete electrical circuit |
|
Orange book |
The United Nations publication for classification and testing of dangerous goods |
|
Oxidant |
The component of an explosive that supplies oxygen for the reaction of the product |
|
Palm burst |
A color break with palm tree core |
|
Parallel circuit |
An electrical circuit in which the current is divided between several igniters. Less easy to test for breaks. |
|
Paste |
Commonly used to cover shells to enhance their burst |
|
Pattern shell |
A shell of fewer stars that creates a pattern rather than a sphere |
|
Pellet |
See Star |
|
Peony shell |
A shell whose stars do not leave any trails |
|
PIC |
Plastic Igniter cord |
|
Pigeon |
A specialized type of firework which travels to and fro along a horizontal rope |
|
Piped match |
Raw match enclosed in a paper or plastic tube |
|
Pistil |
The central core of a shell. Often a complimentary or contrasting colour to the main burst |
|
Plug |
See Bung |
|
Portfire |
A thin walled tube filled with slow burning composition used to light other fireworks |
|
Propellant |
Composition used to produce force e.g. A rocket motor |
|
Punk |
Slow burning lighter for small fireworks |
|
Generic term for any item which react in a self sustaining chemical reaction and generally produces a light effect. Pyrotechnic articles are different to fireworks and generally are used for stage and theatrical uses |
|
|
Quickmatch |
Raw match enclosed in a paper or plastic tube |
|
Rack |
Apparatus for firing rockets or mortar tubes |
|
Rain |
Shells containing long burning stars that fall all the way to the ground. |
|
Raw match |
Black powder coated thread used for linking fireworks |
|
Repeater shell |
Usually a cylinder shell with timed bursts at regular intervals |
|
Ring shell |
An aerial shell that produces symmetrical rings of stars often have a rope tail to control orientation of the break |
|
Rising effect |
Often a tail effect on a shell but can be external attachments to a shell that break off during the rise to create special effects |
|
Aerial effect propelled by a motor |
|
|
Rocket cone |
A device for firing flight rockets |
|
Rocket motor |
The power unit behind a rocket. Typically made by pressing black powder into a choked tube |
|
A cardboard tube with a stack of timed comets or bombette units |
|
|
Round shell |
A shell in the form of a sphere usually containing colored stars |
|
Safety area |
The area around a fireworks display site between the spectators and fireworks. Not including a fall out zone |
|
Salute |
Report or loud bang |
|
Saturn shell |
A chrysanthemum break with an outer ring of a contrasting color |
|
Saxon |
A bar with centre pivot with drivers at either one or two ends which make the bar spin on a central point. |
|
Screecher |
A whistle unit with a hole through the centre. This increases the burn speed and therefore the sound |
|
Sequence |
The pattern in which fireworks are detonated in a display |
|
Series circuit |
A circuit arranged so the current runs through each igniter in turn. This enables and breaks to be detected |
|
Serpent |
A spinning tube used in candles and shells. Usually with a report unit |
|
Set piece |
A ground firework. Generally static |
|
Shell |
The most spectacular of fireworks propelled with a lifting charge from a mortar and a bursting charge that charge to a star composition in the air after a predetermined delay |
|
Shell delay |
See Delay fuse |
|
Shell of shells |
An aerial shell that contains smaller shells ignited when the main shell bursts and subsequently produces small secondary bursts |
|
Short circuit |
The accidental completion of a circuit which causes the current to not flow through the igniter |
|
Shot |
The single functioning of a roman candle or cake |
|
Smoke |
Air suspension of particles from incomplete combustion of a composition |
|
Smokeless powder |
A powder containing nitro-cellulose and nitro-glycerine as it does not produce much smoke |
|
Spark |
Typical effect caused by incandescent particles ejected form the surface of a burning composition |
|
Sparkler |
Wire coated with pyrotechnic composition that gives off small sparks |
|
Spider shell |
A shell containing a small number of large stars producing a symmetrical burst. Sometimes called octopus shells |
|
Splitting comet |
A comet with an internal charge of flash powder which when ignited splits the comet into several pieces. |
|
Squib |
Electric igniter |
|
Star |
A pressed unit of composition usually spheres or cylinders used in shells, mines, rockets and roman candles |
|
Storage |
The holding of fireworks prior to their use. Premises must be licensed for amounts above a certain quantity |
|
Strobe |
A pulsing on off star effect fired from candles and shells and ground based effects |
|
Tail effect |
A comet star secured to the outside of a shell to give a tail to the rising shell |
|
Tiger tail shell |
A shell made up of a solid ball of composition to produce a substantial tail effect. Sometimes with a small shell break |
|
Titanium |
A silver metal used in the production of maroons and grebes |
|
Top fused |
A shell where the shell delay is lit separately from the lifting charge. Often found in large Maltese shells |
|
Tourbillion |
See Serpent |
|
Transportation |
The process of consigning a load of fireworks. Subject to heavy legislative control |
|
TREM card |
Documentation required when transporting fireworks of any quantity. Transport emergency card. Provide information for emergency services |
|
Trunk |
A large tail unit often used on palm and willow shells |
|
UN classification |
The assignment of a packaged firework into the UN classes for fireworks |
|
UN compatibility group |
The G or S of 1.3G or 1.4S. The compatibility group indicated what a particular item may and not be transported with |
|
UN Hazard code |
See UN number |
|
UN Mark |
A complicated mark assigned to a particular packing box for dangerous goods |
|
UN Number |
A four-digit number assigned to hazardous goods. Explosives always start with a 0 e.g. 1.4G fireworks are UN 0336. Used to identify a dangerous item in the event of an emergency |
|
Volley |
A mass firing of rockets or shells |
|
Water firework |
Aquatic fireworks e.g. shells or water gerb |
|
Water gerb |
A floating gerb with a weight and cork float. |
|
Water shell |
See Aquatic shell |
|
Waterfall |
A curtain of coloured or silver sparks that falls vertically. Composition is made from an aluminum alloy |
|
Weeping willow |
See Willow shell |
|
A rotating piece attached to a post in the form of a saxon bar or wheel with driver units |
|
|
Whistle |
A tube containing composition of potassium benzoate and potassium silicate. On burning the composition creates oscillation in the tube and creates a whistle effect which is amplified in the tube |
|
Whizzer |
See Hummer |
|
Willow shell |
A shell containing charcoal based stars with a long burn time which often fall to the ground |
John Stossel understands this too, and did a wonderful segment recently exploring this topic.
Rich Hoffman
https://overmanwarrior.wordpress.com/2010/12/04/ten-rules-to-live-by/
http://twitter.com/#!/overmanwarrior
www.overmanwarrior.com