Check this link (.pdf document):
http://www.ademe.fr/recherche/manifestations/materiaux_2002/Site/file/pdf/AF01027.PDF
Another nice one: http://neyersoftware.com/Papers/NDIAFuze/ThermiteTorch.htm
...Good luck and enjoy!
[Lets see if this'll work... - DTP]
[This message has been edited by DavidThePyro (edited 07-15-2003).]