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Backyard Ballistics This forum is dedicated to the safe teaching and responsible handling of high and low explosives. You will not find any information on how to make "bombs" or any such device(s) . Backyard ballistics will teach you the science and the art of pyrotechnics and how to manufacture and use explosives/pyrotechnics safely and responsibly. Backyard ballistics is also a haven for rocketry and pneumatic cannons. All information contained within this forum is for educational purposes ONLY. Totse does not accept responsiblity for any incident involving the use of the information contained within this forum.

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 #1 
Old 2007-12-16, 23:36
napalm113 napalm113 is offline
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Default incomplete burning of thermite

incomplete burning of thermite

the past several batches I've made would "explode" leaving allot of unburned thermite in the surrounding area. any ideas here?
 #2 
Old 2007-12-17, 01:32
Ozzy Bot Ozzy Bot is offline
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Default Re: incomplete burning of thermite

Particles to fine? wrong ratio?
 #3 
Old 2007-12-17, 03:52
napalm113 napalm113 is offline
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Default Re: incomplete burning of thermite

200 mesh al powder, and red Iron oxide dust, compressed into a canister.
 #4 
Old 2007-12-17, 12:32
Spongebob Spongebob is offline
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Default Re: incomplete burning of thermite

How are you compressing it? If you are just pressing it down instead of shaking the canisters and tapping it on a hard surface you will trap air, this will force it apart. Plaster of Paris thermite works better because the products of the reaction are more sticky.
 #5 
Old 2007-12-18, 04:18
napalm113 napalm113 is offline
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Default Re: incomplete burning of thermite

thank you!
 
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