Jump to content


Photo
- - - - -

Compositions using only Kno3 charcoal and sulfur


  • Please log in to reply
39 replies to this topic

#21 flying fish

flying fish

    Pyrotechnician

  • Donator
  • PipPipPipPip
  • 822 posts
  • Gender:Male

Posted 14 July 2009 - 08:37 AM

That answers my question Mumbles, thank you. Yeah, I was just wondering how the original formula for the spider star was listed.

It is amuzing (and awesome) that we are discussing three different formulas at once...

#22 derekroolz

derekroolz

    Pyromaniac

  • Full Member
  • PipPipPip
  • 135 posts
  • Gender:Male
  • Location:SoCal

Posted 21 July 2009 - 01:15 PM

i thought it would be usefull to have a thread for compositions that only use the components of black powder and mabey a dash of dextine.

My contributions:

Chrysanthemum 6 stars (wet pressing required):
- Potassium Nitrate= 55%
- Charcoal = 33%
- Sulfur= 7%
- Dextin= +5%
Produces red fire dust that lasts a shor while, use willow charcoal for longest fire dust time.

Chrysanthemum 8 stars (wet pressing required):
- Potassium Nitrate= 49%
- Charcoal= 40%
- Sulfur= 6%
- Dextrine= 5%
Stars produce a red fire dust that lasts only a shot while, but longer than Chrysanthemum 6. To increase the fire dust time, use willow charcoal.

My lift charge (wet pressing and extencive milling required:
- Potassium Nitarate= 74%
- Charcoal= 14%
- Sulfur= 12%
- Dextrin= +4-5%
An energetic lift, MUST ball mill.

Chrysanthemum of Mystery (wet pressing required):
- Potassium Nitrate= 45%
- Charcoal= 50%
- Dextrin= 5%
Similar to the other Chrysanthemums, but the lack of sulfer creates a different effect.

Thats all i have time for right now. Please post any compositions that use only Potassium nitrate, charcoal, sulfer and dextrin.



Ok I know I sound like a total noob saying this but what is wet pressing....looked it up and it comes out to usually be a porn term so......help! PLEASE!!!
If we dwell on the darkness of the past, We cannot see the light of the future.
-Derek Waite

#23 Bananaphone69

Bananaphone69

    Playing with fire

  • Donator
  • PipPip
  • 49 posts

Posted 21 July 2009 - 01:38 PM

It simply means the stars should be pumped.

Edited by Bananaphone69, 21 July 2009 - 01:38 PM.


#24 derekroolz

derekroolz

    Pyromaniac

  • Full Member
  • PipPipPip
  • 135 posts
  • Gender:Male
  • Location:SoCal

Posted 22 July 2009 - 02:16 AM

It simply means the stars should be pumped.



exactly what i thought it meant....anyone know how to deterimine Mesh
If we dwell on the darkness of the past, We cannot see the light of the future.
-Derek Waite

#25 deadman

deadman

    Pyrotechnician

  • HE Qualified
  • PipPipPipPip
  • 285 posts
  • Gender:Male
  • Location:injomawmaw

Posted 22 July 2009 - 11:52 AM

I usually mill charcoal compositions that don't contain metals. If it requires a larger mesh it will specify the mesh. I screen in the larger mesh after milling if it is needed. Of course you can choose to alter mesh and formulas to your liking.

EDIT: I think I read your questiong wrong. When you say "determine" do you mean what the formula calls for or the actual mesh of the charcoal you have?

Edited by deadman, 22 July 2009 - 11:54 AM.

We will all forget how long it took you to do it, but we will remember how well you did it.

#26 Mumbles

Mumbles

    Grandmaster

  • Admin
  • PipPipPipPipPipPipPipPipPipPip
  • 11,172 posts
  • Gender:Male
  • Location:Above You

Posted 22 July 2009 - 04:39 PM

Derek. Have you ever heard of google? It's a very nice resource.

http://www.google.co...=...;fp=1&cad=b
Just so you guys quit asking, here is the link to the old forum. http://www.xsorbit2....forum/index.cgi

The sky is my canvas, and I have 2,113 pounds of powdered paint in the workshop.

#27 dinger

dinger

    Smelt the smoke

  • Full Member
  • Pip
  • 1 posts
  • Gender:Male
  • Location:nebraska

Posted 24 July 2009 - 07:42 PM

NICE THREAD FOR A TOTAL NEWB LIKE ME

#28 derekroolz

derekroolz

    Pyromaniac

  • Full Member
  • PipPipPip
  • 135 posts
  • Gender:Male
  • Location:SoCal

Posted 29 July 2009 - 05:35 PM

Derek. Have you ever heard of google? It's a very nice resource.

http://www.google.co...=...;fp=1&cad=b



Holly crap where the hell has this place been all my life
If we dwell on the darkness of the past, We cannot see the light of the future.
-Derek Waite

#29 davis050594

davis050594

    Pyromaniac

  • Full Member
  • PipPipPip
  • 119 posts

Posted 02 August 2010 - 11:53 AM

Ahh, question answered above, how do I delete this post.


Edited by davis050594, 02 August 2010 - 11:55 AM.


#30 angelluis

angelluis

    Pyromaniac

  • Full Member
  • PipPipPip
  • 50 posts
  • Gender:Male
  • Location:evergreen park ,il
  • Interests:Love to workout, learn new things,and talk to people,but most of all I LOVE FIREWORKS!!!!!

Posted 29 August 2010 - 09:02 AM

Hey I also use the PGI formula but I dont use the dextrin instead I wet it down just right put it in a 2"pump I made from PVC and some wood as my rammer then I put it in a shop vise I have this works very well and they come out pretty solid also the no dextrin means it burns sooooooo much faster using about 7gr of lift on a 2" I have sent it up about a good 200 to 250 feet!!good luck.
Angel

#31 Ralph

Ralph

    Pyrotechnician

  • Donator
  • PipPipPipPip
  • 993 posts
  • Gender:Male

Posted 29 August 2010 - 08:09 PM

not sure what kind of 2" shell you were lifting but most people use 3-5g to lift a 2"
The day you willing put a price on another man's life, is the day you sell your soul


Im blunt, so don't get all cut up when I tell it like it is

#32 Arw

Arw

    Playing with fire

  • Full Member
  • PipPip
  • 41 posts
  • Gender:Male
  • Location:Isfahan,Iran

Posted 05 August 2016 - 06:41 AM

i don't remember where i find it,so i don't know if it is 1.2 or 12..

If someone else know this composition maybe can help.

its 12 but i never test it



#33 athibviki

athibviki

    Smelt the smoke

  • Full Member
  • Pip
  • 1 posts
  • Gender:Male
  • Location:India

Posted 02 March 2017 - 01:08 PM

Can someone help me out with a nice BP formula for Burst charge.

The problem is that I cannot mill it together. Will it work ?



#34 lloyd

lloyd

    Firebreather

  • Donator
  • PipPipPipPipPip
  • 1,813 posts
  • Gender:Male

Posted 02 March 2017 - 01:45 PM

You didn't say for what size of shell.  For shells under 150mm diameter, no... you must mill it to get enough explosive force to do the job.

 

Lloyd


"Pyro for Fun and Profit for More Than Fifty Years"


#35 DavidF

DavidF

    Pyrotechnician

  • Donator
  • PipPipPipPip
  • 325 posts
  • Gender:Male

Posted 02 March 2017 - 02:27 PM

Regarding the Ofca formulas Mumbles was talking about: I've made it both ways and I like the one with meal powder better. Mine were 3/4" cut stars. When making them with the meal powder (I used mill dust), 2 different charcoals are employed. I think that's what makes them better. The hot BP charcoal in the mill dust gives the speed and spread to the sparks. The slower charcoal makes the sparks. This is just my conclusion based on what I saw. Spider stars are my favorite. Ofca's first formula is my favorite spider star. When he saw my stars, Mr. Ofca asked for permission to use them in an article! I was pretty flattered. Anyhow, these are the stars, jumble-filled in a 4" cylinder.

 

https://www.youtube....h?v=7C_oiwiHhfY



#36 Mumbles

Mumbles

    Grandmaster

  • Admin
  • PipPipPipPipPipPipPipPipPipPip
  • 11,172 posts
  • Gender:Male
  • Location:Above You

Posted 02 March 2017 - 04:18 PM

That's still my favorite formula.  Both Ofca formulas are compositionally the same.  The one with meal doesn't require milling on it's own, the other is intended to be milled together as one composition.  Personal preference.  While my favorite formula, I've started using a Swisher formula for my spider stars.  It doesn't necessitate milling, and has a bit of lampblack in it.  Messy, but I like it. 

 

I really like the idea of using two different charcoal sources.  A friend gave a formula of his own take on tiger tail.  It's still the standard ratio but has a mix of pine, airfloat, lampblack, and crushed BBQ briquettes.  It seems complicated but the effect is spectacular. 


Just so you guys quit asking, here is the link to the old forum. http://www.xsorbit2....forum/index.cgi

The sky is my canvas, and I have 2,113 pounds of powdered paint in the workshop.

#37 RiderX

RiderX

    Pyrotechnician

  • Donator - HE
  • PipPipPipPip
  • 447 posts
  • Gender:Male

Posted 27 August 2017 - 09:11 PM

I found this composition

White star:

67. KNO3
31.Sulfur
1.2 Charcoal
4 Dextrin

Has anyone test this composition?is it real white?

anyone have a video of this ? my stuff for colored stars wont be here till friday :( so im looking for something other then glitter or tiger tail stars i can make for tonight 



#38 Mumbles

Mumbles

    Grandmaster

  • Admin
  • PipPipPipPipPipPipPipPipPipPip
  • 11,172 posts
  • Gender:Male
  • Location:Above You

Posted 27 August 2017 - 10:16 PM

I've never made that specific formula, but have made two similar ones.  Give it a shot if you'd like, but I'd describe the color as more of a light grey than anything.  White really requires metals or antimony trisulfide in my opinion.

 

If you're looking for something new, have you thought about inserts instead of stars?  Tourbillions and serpents are easy and just require BP and some tubes.  


  • RiderX likes this
Just so you guys quit asking, here is the link to the old forum. http://www.xsorbit2....forum/index.cgi

The sky is my canvas, and I have 2,113 pounds of powdered paint in the workshop.

#39 RiderX

RiderX

    Pyrotechnician

  • Donator - HE
  • PipPipPipPip
  • 447 posts
  • Gender:Male

Posted 27 August 2017 - 10:30 PM

I've never made that specific formula, but have made two similar ones.  Give it a shot if you'd like, but I'd describe the color as more of a light grey than anything.  White really requires metals or antimony trisulfide in my opinion.

 

If you're looking for something new, have you thought about inserts instead of stars?  Tourbillions and serpents are easy and just require BP and some tubes.  

ill give it a shot here in a few mins , i forgot all about n1 glitter ( i love glitter and strobes ) so atm ive got a batch of n1 sitting in my mixing tub for a few mins before i roll it out and cut it 

soon as im done and i clean my tubs ill mix up a batch of that white and give it a shot 

 

i love tourbillions but i need to get some tubes to make them , and at the same time i guess i need to move to cyl shells instead of ball shells so i can actually fit a bunch inside it 



#40 pirotek

pirotek

    Playing with fire

  • Full Member
  • PipPip
  • 24 posts
  • Gender:Male

Posted 30 August 2017 - 01:33 AM

Senko Hanabi Sparkler formula (rough estimation, it varies GREATLY depending on many things:

Potassium nitrate - 45
Charcoal - 20
Sulfur - 35

Video: http://www.youtube.c...re=channel_page

 

Another one composition for the Japanese sparkls Senko Hanabi
Potassium nitrate - 60
Charcoal - 10
Sulfur - 30






0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users