--- On Wed, 6/13/12, Bob Brown <cineflex@xxxxxxx> wrote: > . . .but am not sure of a design for holding and igniting the BP. > Any advice about these or other systems would be appreciated Here's some info on do-it-yourself methods: http://www.info-central.org/?article=302 http://www.wimpyrockets.com/page16.html http://www.thefintels.com/aer/rocketelectronics.htm And, I'll add to the question about which kit: and what altitudes? Mike -- ROC-Chat mailing list roc-chat@xxxxxxxxxxxxx //www.freelists.org/list/roc-chat