dave321 Posted March 23, 2020 Share Posted March 23, 2020 has any one actually got the composition the above are supposed to use to work ? pot chlorate with 1%Manganese dioxide 60Antimony trisulphide 30Aluminium Eckart5413H 10 used with ~2mm (10#) gravel. strangely it just does not seem that sensitive to impact when thrown ????????? Link to comment Share on other sites More sharing options...
Mumbles Posted March 28, 2020 Share Posted March 28, 2020 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. 1 Link to comment Share on other sites More sharing options...
robbo Posted March 28, 2020 Share Posted March 28, 2020 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. 1 Link to comment Share on other sites More sharing options...
robbo Posted March 28, 2020 Share Posted March 28, 2020 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. Link to comment Share on other sites More sharing options...
dave321 Posted March 29, 2020 Author Share Posted March 29, 2020 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" Link to comment Share on other sites More sharing options...
Mumbles Posted March 30, 2020 Share Posted March 30, 2020 She's a member here as well. Might want to try reaching out. I don't believe she stops by all that regularly. https://www.amateurpyro.com/forums/user/18487-elisabeth/ Link to comment Share on other sites More sharing options...
robbo Posted March 30, 2020 Share Posted March 30, 2020 She's a member here as well. Might want to try reaching out. I don't believe she stops by all that regularly. https://www.amateurpyro.com/forums/user/18487-elisabeth/ Thanks, you saved me bugging her through FW. Link to comment Share on other sites More sharing options...
dave321 Posted March 30, 2020 Author Share Posted March 30, 2020 She's a member here as well. Might want to try reaching out. I don't believe she stops by all that regularly. https://www.amateurpyro.com/forums/user/18487-elisabeth/thanks have tried to contact her Link to comment Share on other sites More sharing options...
snapper Posted April 4, 2020 Share Posted April 4, 2020 I thought the old torpedos where made using phosphorus and constructed in water then assembled wet for safety Link to comment Share on other sites More sharing options...
dave321 Posted April 4, 2020 Author Share Posted April 4, 2020 (edited) 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 April 4, 2020 by dave321 Link to comment Share on other sites More sharing options...
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