Thermalite
Encyclopedia
Thermalite a specific type of fuse
used in pyrotechnic applications.
This fuse is used in high-power model rocket
ry as a means of simultaneously igniting multiple "clustered" rocket motors. A single flashbulb
or flash pan is used to ignite pieces of Thermalite leading to each motor.
Thermalite comes in three burn rates identifiable by the colour of the fuse wrapping:
Thermalite safety fuses and connectors were manufactured in Quebec
by ICA Canada Inc., however in November 1995 they ceased manufacturing of detonator cord.http://www.slv2000.qc.ec.gc.ca/bibliotheque/centre_docum/protection/54_98_a.pdf Sources for thermalite are increasingly hard to come by and purchasing it by mail will usually require permits and licenses. As a result, those who want to use thermalite fuses will sometimes make their own.
Fuse (explosives)
In an explosive, pyrotechnic device or military munition, a fuse is the part of the device that initiates function. In common usage, the word fuse is used indiscriminately...
used in pyrotechnic applications.
This fuse is used in high-power model rocket
Model rocket
A model rocket is a small rocket that is commonly advertised as being able to be launched by anybody, to, in general, low altitudes and recovered by a variety of means....
ry as a means of simultaneously igniting multiple "clustered" rocket motors. A single flashbulb
Flashbulb
Flashbulb may refer to:*Flash photography*The Flashbulb, one of the pseudonyms of electronica musician Benn Jordan*"Flashbulb", a bonus track by Nirvana...
or flash pan is used to ignite pieces of Thermalite leading to each motor.
Thermalite comes in three burn rates identifiable by the colour of the fuse wrapping:
- Pink: slow (20 sec/foot)
- Green: medium (10 sec/foot)
- White: fast (5 sec/foot)
Thermalite safety fuses and connectors were manufactured in Quebec
Quebec
Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....
by ICA Canada Inc., however in November 1995 they ceased manufacturing of detonator cord.http://www.slv2000.qc.ec.gc.ca/bibliotheque/centre_docum/protection/54_98_a.pdf Sources for thermalite are increasingly hard to come by and purchasing it by mail will usually require permits and licenses. As a result, those who want to use thermalite fuses will sometimes make their own.
See also
- Artillery fuzeArtillery fuzeAn artillery fuze or artillery fuse is the type of munition fuze used with artillery munitions, typically projectiles fired by guns , howitzers and mortars. A fuze is a device that initiates an explosive function in a munition, most commonly causing it to detonate or release its contents, when its...
- Black matchBlack matchIn pyrotechnics, black match is a type of crude fuse, constructed of cotton string fibers intimately coated with a dried black powder slurry....
- Fuse (explosives)Fuse (explosives)In an explosive, pyrotechnic device or military munition, a fuse is the part of the device that initiates function. In common usage, the word fuse is used indiscriminately...
- Punk (fireworks)Punk (fireworks)A punk is a smoldering stick used for lighting firework fuses. It is safer than a match or a lighter because it can be used from a greater distance and does not use an open flame. Punks often resemble sticks of incense. They are made of bamboo and a brown coating of dried manure or compressed sawdust...
- Safety fuseSafety fuseThe safety fuse is a type of fuse invented and patented by William Bickford in 1831. Originally it consisted of a "tube" of gunpowder surrounded by a water-proofed varnished jute "rope". It replaced earlier and less reliable methods of igniting gunpowder blasting charges which had caused many...
- Slow matchSlow matchSlow match or match cord is the very slow burning cord or twine fuse used by early gunpowder musketeers, artillerymen, and soldiers to ignite matchlock muskets, cannons, and petards...