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impact torpedoes eg Globe torpedoes


dave321

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has any one actually got the composition the above are supposed to use to work ?

 

pot chlorate with 1%Manganese dioxide 60

Antimony trisulphide 30

Aluminium Eckart5413H 10

 

used with ~2mm (10#) gravel.

 

strangely it just does not seem that sensitive to impact when thrown ????????? :o

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What size of torpedos are you making? Antimony trisulfide sensitizes chlorate more to friction than impact. Maybe they're packed too tight?

 

I don't have much experience with these, so I'm mostly just thinking aloud. Sulfur may also help to get them a bit more sensitive.

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Elizabeth over on FW had success, after some effort. It seemed she was rapidly stifled by some others' comments and I didn't see much more about it. There was concern (overblown, I think) about safety (liability?) issues. Pity. If you've access, contact her.

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As long as we're on the subject, I've used "adult snaps" as initiators for explosive blowgun darts. Augmented, of course. They worked fine and saved me from working with compositions with which I have no experience. And cheap! Perhaps the same could be done for your endeavor.

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As long as we're on the subject, I've used "adult snaps" as initiators for explosive blowgun darts. Augmented, of course. They worked fine and saved me from working with compositions with which I have no experience. And cheap! Perhaps the same could be done for your endeavor.

yes, i know where you are coming from.

 

globe torpedoes were about 1 inch in diameter i believe.

maybe there is a critical size / weight needed and ratio of composition to gravel to get them sufficiently sensitive to work,

anything below which they wont function ?

 

no i do not have access to Fireworking, who is "Elizabeth"

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I thought the old torpedos where made using phosphorus and constructed in water then assembled wet for safety

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I thought the old torpedos where made using phosphorus and constructed in water then assembled wet for safety the

the current adult throw downs like mandarin crackers or snap bangers, certainly seem to

use , i am assuming a chlorate / rp mixture coated onto gravel, and they work well.

but i doubt they are as loud as the original globe torpedo type devices, a good thing

from a safety point of view.

 

they also have a CE marking

Edited by dave321
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