On Jul 5, 3:16=A0pm, "****mrod" <****m...@[EMAIL PROTECTED]
> wrote:
> On Fri, 04 Jul 2008 13:47:28 -0700, earn3005 wrote:
> > I was in this group when it was a yahoo thing but havn't been aroud
> > for three years. =A0I'm looking for some colored star comp
=A0formulas.
> > Iv'e made some good blue strobe G E =A0rockets and some AP epoxy stars
> > but would like to find a little deeper blue for my stars. does the
> > group have a section of different formulas and how do I find
> > it? =A0 =A0 =A0 =A0 Thanks, =A0 =A0 =A0Me Again
>
> I've always been partial to Bruce Snowden's Deep Blue with charcoal
tail.=
...
>
> Blue star with charcoal tail
> Source: rec.pyrotechnics, posted by sweden <swe...@[EMAIL PROTECTED]
of this composition is Bruce Snowden
> Comments:
> Preparation: Add isopropyl alcohol for binding. Cut, round and pumped
sta=
rs can be made with this composition, but a typical KClO4/Red
gum/Charcoal/=
dextrin prime will be necessary. A final layer of sodium
nitrate/sulfur/Cha=
rcoal (85/5/10), moistened with NC/acetone lacker (w. about 3% NC) can be
a=
dded. This adds yellowish sparks. Mealpowder can be used instead if the
yel=
low sparks are not desired.
>
> Ammonium perchlorate..............................70
> Basic copper carbonate............................10
> Red Gum...........................................10
> Charcoal..........................................10
> Dextrin...........................................+5
>
> These can easily be overpowered by brighter stars, so use by themselves
o=
r
> with other dim stars.
>
> ****mrod
I did a (search this group) search on ( best blue ) this afternoon,
The results were very informative.


|