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Since our chat function has been shut down, we're trying something new with Discord, a free chat service. 


If you're interested, please check out https://discord.gg/umQRdxm7vY

APC relies on donations to stay running. We got close to the target for 2020, but slipped somewhat in 2021.


We're hopeful we can hit our target in 2022.

Please consider donating to help keep APC free for everyone. Thank you!!

Toggle Forum Rules/Issues/FAQ Forum Rules/Issues/FAQ

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Rules & Announcements

Forum issues and matters, FAQ.

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FAQ - last post by JAWChemist

Using The Forum Software

Hints, Tips, and Tutorials about using the Forum Software.

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  • 427 replies
Can admins read user to use... - last post by Richtee

Auction for BurritoBandito

A collection of auctions for a fundraiser for BurritoBandito

  • 14 topics
  • 265 replies
Match style fuse - last post by Mumbles

Toggle Pyrotechnics Pyrotechnics

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General pyrotechnics discussion.

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Stutata burst charge - last post by Kalifireworks


Discussion of low to high power rocketry.

  • 990 topics
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Spindle Length / Width Corr... - last post by cmjlab


Discussion of Pyrotechnics related Chemistry.

  • 863 topics
  • 17,364 replies
making potassium (per) chlo... - last post by THEONE

Tools and Tooling

Discussion of the tools required for our hobby

  • 659 topics
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Best Method for Punching Fu... - last post by cmjlab


Safety precautions/procedures and equipment. Consequences and mishaps.

  • 297 topics
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Safety of Alumina milling m... - last post by redbullzuiper

Toggle Miscellaneous Miscellaneous

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Newbie Questions

A lightly moderated section for our less experienced members.

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Nitrate / Mg / PVC stars - last post by cmjlab

Random Discussion & Chat

Random threads and topics that do not pertain to the other sections.

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USA LED domestic lighting u... - last post by Richtee


Pyrotechnic events and event reports

  • 61 topics
  • 600 replies
2023 Pyro Holiday in Thailand - last post by cmjlab


Circuitry, components, wiring, and construction of various electronic devices.

  • 125 topics
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Arduino - DC Motor Componen... - last post by stix

Toggle Pneumatic and Combustion Cannons Pneumatic and Combustion Cannons

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Spudguns, Air Cannons, etc.

  • 79 topics
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Cannon locks - last post by passgas

Toggle APC Information Database APC Information Database

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Pyrotechnics Compositions

Compilation of tried and tested pyrotechnic compositions submitted by members of the APC forum.

  • 309 topics
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C8 + coarse magnalium - last post by h0lx

Member Tutorials

Tutorials on "Everything Pyrotechnics". High-Explosives-related info forbidden here. Read the stickied rules before posting!

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HAND ROLLING STRONG TUBES. - last post by 6afraidof7

Toggle Competitions Competitions

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Competition information.

  • 8 topics
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Minature display - last post by Piccaso

Aerial Shell Competition

Submit your aerial shells for the competition here.

  • 390 topics
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5 Inch shells Tested on Dus... - last post by swapnilsutar1988

Cake/Mine Competition

Submit your cakes or mines for the competition here.

  • 75 topics
  • 442 replies
30mm single shot - last post by mabuse00

Rocket Competition

Submit your rockets for the competition here.

  • 95 topics
  • 773 replies
My new years eve rockets! - last post by Blackmach

Wheel Competition

Submit your wheelsfor the competition here.

  • 35 topics
  • 342 replies
Silver Waterfall - last post by BARUI94

Forum Donation

Please donate to support APC in 2022!
Please make sure to provide your forum name. We appreciate all donations!!!
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Recent Topics

Recent Status Updates

  • Photo
      04 Feb

    I am not new here, i had a longer break time and lost my old Email address so i have to make a new Acc By the way, a late happy new year APC

  • Photo
      21 Nov

    I just joined, hoping this post will allow me to participate,

    Show comments (3)
  • Photo
      23 Aug

    I have some red star seeds with aluminium bit it is very hard to light not taking fire easily , can any one help me giving some suggestion in the form of prime i dont have access to pot chlorate or perchlorateand silicon.

    Show comments (1)
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