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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   Add gonzoman to your ignore list  
Old 2008-08-11, 06:25
gonzoman gonzoman is offline
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Question lift powder for home made mortars
can any1 tell me how much lift powder to use for various size mortars is there a rule of thumb or a table to use please help any1 thanks alot
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  #2   Add Quageschi to your ignore list  
Old 2008-08-11, 06:51
Quageschi Quageschi is online now
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Default Re: lift powder for home made mortars
What the fuck is "any1"?


Please don't type like a retard here.
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  #3   Add gonzoman to your ignore list  
Old 2008-08-11, 06:59
gonzoman gonzoman is offline
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Smile Re: lift powder for home made mortars
whats a retard
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  #4   Add Mantikore to your ignore list  
Old 2008-08-11, 12:55
Mantikore Mantikore is offline
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Default Re: lift powder for home made mortars
http://www.totse.com/community/showthread.php?t=2139594

look familiar?
have a read here before you do anything else
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  #5   Add Prometheus to your ignore list  
Old 2008-08-15, 16:04
Prometheus Prometheus is offline
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Default Re: lift powder for home made mortars
We've got a backyard ballistics forum for just this sort of thing.
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  #6   Add warweed12 to your ignore list  
Old 2008-08-15, 23:10
warweed12 warweed12 is offline
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Default Re: lift powder for home made mortars
you sent me a message and i replyed to that message
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For a great source of pyrotechnic resources such as ebooks and educated disscussion check warweed.com
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  #7   Add warweed12 to your ignore list  
Old 2008-08-16, 05:06
warweed12 warweed12 is offline
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Default Re: lift powder for home made mortars
about 1/3 star weight is general rule up to 6 inch shells ... so say a 220g in stars about 74 grams lift
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  #8   Add Ozzy Bot to your ignore list  
Old 2008-08-16, 16:32
Ozzy Bot Ozzy Bot is offline
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Default Re: lift powder for home made mortars
1/10 the weight of the shell.
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  #9   Add diffview4290 to your ignore list  
Old 2008-08-16, 17:04
diffview4290 diffview4290 is offline
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Default Re: lift powder for home made mortars
For shells, a starting point would be about 45-50% of normal BP lift qty.
For mines, 75%
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  #10   Add asilentbob to your ignore list  
Old 2008-08-18, 00:50
asilentbob asilentbob is offline
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Default Re: lift powder for home made mortars
1oz per lb of shell weight in 2FA up to some odd big shells where it changes... but thats probably not something you should be concerned with if your posting here.
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 #11 
Old 2008-08-18, 03:28
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Default Re: lift powder for home made mortars
keeping in mind the type of lift comp and size

H3 is a wonderful lift if done right as to not contaminate with S
 #12 
Old 2008-08-19, 13:17
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Default Re: lift powder for home made mortars
H3 does pack a hell of a punch when it comes to lifting stuff, but it can be a little tricky ... if your amounts are off you can end up shattering your stars, or cracking your shell or mortar.


it'll all still go up just fine, but you can get a little bit of a "mine" effect.
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