My one pound core burning rockets, using Wolter tooling, use between 90 and 95 grams each. Jim Biersach Anyone know an aprox amount of powder for say a 1 lb rocket -------------- next part -------------- An HTML attachment was scrubbed... URL: http://www.exrocketry.net/pipermail/bprockets/attachments/20040930/be408f4f/attachment.htm