RE: [PrairieThunderPyrotechnics] Re: BP Rocket Success
Yes, you need to rice the fuel!
"we looked like coal miners by the time we were done" Oh,so you looked like Kevin the first two years of rocket building.Start wetting and you will never go back,in both performance and just staying clean.
--- In PrairieThunderPyrotechnics@yahoogroups.com, Jared Birk <pyrobirk@...> wrote:
> Hi Guys,
> Thanks to all of the help from several guys here, Robyne and I were able to
> make and fire our first couple 1lb BP rockets all by ourselves (no adult
> The first rocket was pounded out by Robyne and the kids, and the second by
> myself. Both flew great! We just had motors on sticks for these first
> couple (no headers) and they flew very fast. Here's the recipe I used:
> 60% KNO3, ball milled separately for about 4 hours by itself
> 20% home-made airfloat, made from red cedar pet bedding, ball milled
> with sulfur for about 4 hours
> 10% sulfur
> 10% 80 mesh charcoal (no idea what kind of wood - it's something I bought
> from the supply tent in LaPorte.)
> As indicated, I milled the KNO3 separately, then milled the airfloat and
> sulfur together. All of this was screened together with the 80 mesh, then
> pounded into the rocket casing. The only drawback - VERY messy. Dust
> everywhere - we looked like coal miners by the time we were done. It's a
> good thing we pounded these outside. I'm going to try making grains next
> time by wetting and screening. I wonder if that will affect the
> I'll post any updates as they come.
> Thanks again!