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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 2002-12-17, 01:12
Joesmokes911 Joesmokes911 is offline
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Default new mortar?

is there any explosive*NOT black powder, flash, etc* that i can use in i steel pipe or copper mortar that is capable of shooting a smll meatal bolt throgh plywood. btw when i say not black powder i mean can it be a relitively powerful chemical explosive that is not too sensitive*like HMTD or AP*so i can dropit and it wont explode and i can put it in a mortar and its own weight wont detonate it, but still be able to be set off by a fuse or model rocket igniter?


tnx for the info
 #2 
Old 2002-12-17, 01:19
NickSG NickSG is offline
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Default Re: new mortar?

smokeless powder pyrodex, whistle mix, H3,
 #3 
Old 2002-12-17, 01:29
6C 6C is offline
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Default Re: new mortar?

There is nothing you can use to propell an object out of a mortar that can not be used as explosives. So basically anything you use besides some gases are explosives.
 #4 
Old 2002-12-17, 01:45
Zero the Inestimable Zero the Inestimable is offline
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Default Re: new mortar?

...Match heads, lift powder, finely ground smoke mix, and any of a number of fuel gas/air mixtures...

~Zero
 #5 
Old 2002-12-17, 01:53
Genital-Warfare Genital-Warfare is offline
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Default Re: new mortar?

quote:
Originally posted by NickSG:
smokeless powder pyrodex, whistle mix, H3,
Wtf is H3?

CTR

 #6 
Old 2002-12-17, 02:10
EP EP is offline
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Default Re: new mortar?

H3 Bursting charge
Source: Shimizu[1]. Page 207
Comments: This energetic burst charge is used for small diameter shells (2...3 inch), since it makes a large and symmetrical burst possible. Besides the composition below, a ratio of chlorate to hemp coal of 10:3 is also popular. The sensitivity of this mixture to shock and friction is unexpectedly low, as long as the composition does not come into contact with sulfur or sulfur compounds.
Preparation:

Potassium chlorate................................75
Hemp coal (or Paulownia coal).....................25
Glutinous rice starch.............................+2%
 #7 
Old 2002-12-17, 03:18
Genital-Warfare Genital-Warfare is offline
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Default Re: new mortar?

LOL, i thought it might be some form of hydrogen.

CTR
 #8 
Old 2002-12-17, 03:59
EP EP is offline
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Default Re: new mortar?

Apparently it's the wacky japanese way of naming things...(or at least it was)

H=fuel, hemp coal in this case (willow can be used also, but it's not quite as good)
3= oxidizer, KClO3.
 #9 
Old 2002-12-17, 19:10
Joesmokes911 Joesmokes911 is offline
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Default Re: new mortar?

anyway i was asking that because i was trying to make an R/C tank mortar like Lowry*except he made it fire shotgun shells, i want it to be more origional than that, but if i used flamable gasses then wouldnt it be the same as a remote spudgun?? plus if u want a gas spudgun to b powerful, it has to be big*a lot bugger than an R/C tank
 #10 
Old 2002-12-17, 19:19
Moderator
 
directly over the center of th
Default Re: new mortar?

can you use armstrongsmix and when you drop it in the tube it fires out
 #11 
Old 2002-12-17, 20:34
NickSG NickSG is offline
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Default Re: new mortar?

use some very strong, thick metal, and you could do it. You got to move the fuck out of the way really quick after you drop it.
 #12 
Old 2002-12-17, 21:20
Joesmokes911 Joesmokes911 is offline
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Default Re: new mortar?

just go to http://sprogmenys.freeservers.com/arsenal.htm

cut and paste it into ur adress bar
then scrool down to R/C tank. I want it to be exactly like that, but have a mortar in front instead of a shotgun round.

ps wtf is a servo?
 #13 
Old 2002-12-18, 00:50
DavidThePyro DavidThePyro is offline
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Default Re: new mortar?

A servo is a little motor used in RC things. It is connected to the radio receiver and is used to move wheels back and forth, move ailerons etc.

By the way, match heads would suck ass in a mortar.

[This message has been edited by DavidThePyro (edited 12-18-2002).]
 #14 
Old 2002-12-18, 01:15
Joesmokes911 Joesmokes911 is offline
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Default Re: new mortar?

tnx david, that what i thought it was but i had to take apart an entire r/c car for it! luckily it was cheap though. Because im too lazy to curch up match heads or rocket engines, im gonna just have it launch those model rockets with some kind or explosive in the nosecone...
 #15 
Old 2002-12-18, 01:18
Joesmokes911 Joesmokes911 is offline
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Default Re: new mortar?

how do u make armstrong mix, and is it extremely dangerous?
 #16 
Old 2002-12-18, 01:43
EP EP is offline
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Default Re: new mortar?

Yes it's very dangerous and you should not make it...

If you want to know how you can look, but you don't sound like somebody who should be making it...
 #17 
Old 2002-12-18, 19:48
Joesmokes911 Joesmokes911 is offline
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Default Re: new mortar?

whats that supossed 2 mean?
 #18 
Old 2002-12-18, 19:52
Joesmokes911 Joesmokes911 is offline
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Default Re: new mortar?

its red phospherous and potassum chlorate, right?
 #19 
Old 2002-12-18, 20:03
NickSG NickSG is offline
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Default Re: new mortar?

it means it is too dangerous, and you shouldnt make it. But yeah, it is potassium chlorate and red phospherous, but good luck finding the red phospherous.
 #20 
Old 2002-12-18, 20:42
NumB-nUTz NumB-nUTz is offline
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Default Re: new mortar?

quote:
Originally posted by Zero the Inestimable:
...Match heads, lift powder, finely ground smoke mix, and any of a number of fuel gas/air mixtures...

~Zero



U can use match heads to launch a fuckin mortar shell? sounds cool....
 #21 
Old 2002-12-18, 21:07
DavidThePyro DavidThePyro is offline
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Default Re: new mortar?

Yeah! All of seven and a half feet in the air, man! WOOOO!!!
 
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