zaibatsu
October 13th, 2002, 09:46 AM
MasterMayhem
Frequent Poster
Posts: 84
From: Norway
Registered: OCT 2000
posted December 30, 2000 01:54 PM
I've just bought some ping pong balls, how can i know what is nitrocellulose, so that i don't bye some plastic shit. Is nitrocellulose a good replacement for smokeless powder in making ap-putty?
Cricket
Frequent Poster
Posts: 160
From: USA
Registered: OCT 2000
posted December 30, 2000 02:15 PM
SP is better, but that will work (if you bought the wright ones). I think you just have to mix it with acetone. Just read the Makeshift Arsenal (dont know if it gots ping-pong ball info in it, but it does have the procedure for AP putty).
Crux
Frequent Poster
Posts: 71
From: australia
Registered: SEP 2000
posted December 30, 2000 10:31 PM
There are two simple tests
Try to light one of the balls. When the ball takes fire easily and burn with a big, orange flame, it is nitrocellulose.
Pour some acetone over one of the balls. When they soften and dissolve, it's nitrocellulose.
When both tests are positive, you can use the ping pong balls, they are certainly the right ones.
MasterMayhem
Frequent Poster
Posts: 84
From: Norway
Registered: OCT 2000
posted January 04, 2001 07:03 AM
I've made my ping-pong ball putty, and it dosen't seem to harden? its been 2 days since i've made it. Is it suposed to harden?
Anthony
Moderator
Posts: 2304
From: England
Registered: SEP 2000
posted January 04, 2001 05:30 PM
Yes it should harden within a few hours, depending on the size of the lump of putty. I've never had any problems using ping pong balls (beside the expense).
NightStalker
Frequent Poster
Posts: 116
From:
Registered: DEC 2000
posted January 04, 2001 06:37 PM
I never had problems with this too... you mustn't use too much aceton... just enough to get it to a consitence like thin honey
------------------
Death stalks silently....
MasterMayhem
Frequent Poster
Posts: 84
From: Norway
Registered: OCT 2000
posted January 05, 2001 08:52 AM
I is moulded inside a pvc pipe, could this have something to do with it? There is no endcaps on the pipe.
NightStalker
Frequent Poster
Posts: 116
From:
Registered: DEC 2000
posted January 05, 2001 02:09 PM
The smaller the place it touches the air the longer you will wait... I would make a paper tube of the same diameter put it in and dry it then insert it into the pipe...
------------------
Death stalks silently....
SofaKing
Frequent Poster
Posts: 392
From: YEAH RIGHT !!
Registered: SEP 2000
posted January 05, 2001 11:53 PM
Acetone disolves PVC, abeit slowy but never the less you should take precautions or you could have problems.
------------------
"ARE YOUR PAPERS IN ORDER" -- Jack Booted Thug
MasterMayhem
Frequent Poster
Posts: 84
From: Norway
Registered: OCT 2000
posted January 06, 2001 08:53 AM
I used a paper matchbox, to mold the putty in, it worked.
Frequent Poster
Posts: 84
From: Norway
Registered: OCT 2000
posted December 30, 2000 01:54 PM
I've just bought some ping pong balls, how can i know what is nitrocellulose, so that i don't bye some plastic shit. Is nitrocellulose a good replacement for smokeless powder in making ap-putty?
Cricket
Frequent Poster
Posts: 160
From: USA
Registered: OCT 2000
posted December 30, 2000 02:15 PM
SP is better, but that will work (if you bought the wright ones). I think you just have to mix it with acetone. Just read the Makeshift Arsenal (dont know if it gots ping-pong ball info in it, but it does have the procedure for AP putty).
Crux
Frequent Poster
Posts: 71
From: australia
Registered: SEP 2000
posted December 30, 2000 10:31 PM
There are two simple tests
Try to light one of the balls. When the ball takes fire easily and burn with a big, orange flame, it is nitrocellulose.
Pour some acetone over one of the balls. When they soften and dissolve, it's nitrocellulose.
When both tests are positive, you can use the ping pong balls, they are certainly the right ones.
MasterMayhem
Frequent Poster
Posts: 84
From: Norway
Registered: OCT 2000
posted January 04, 2001 07:03 AM
I've made my ping-pong ball putty, and it dosen't seem to harden? its been 2 days since i've made it. Is it suposed to harden?
Anthony
Moderator
Posts: 2304
From: England
Registered: SEP 2000
posted January 04, 2001 05:30 PM
Yes it should harden within a few hours, depending on the size of the lump of putty. I've never had any problems using ping pong balls (beside the expense).
NightStalker
Frequent Poster
Posts: 116
From:
Registered: DEC 2000
posted January 04, 2001 06:37 PM
I never had problems with this too... you mustn't use too much aceton... just enough to get it to a consitence like thin honey
------------------
Death stalks silently....
MasterMayhem
Frequent Poster
Posts: 84
From: Norway
Registered: OCT 2000
posted January 05, 2001 08:52 AM
I is moulded inside a pvc pipe, could this have something to do with it? There is no endcaps on the pipe.
NightStalker
Frequent Poster
Posts: 116
From:
Registered: DEC 2000
posted January 05, 2001 02:09 PM
The smaller the place it touches the air the longer you will wait... I would make a paper tube of the same diameter put it in and dry it then insert it into the pipe...
------------------
Death stalks silently....
SofaKing
Frequent Poster
Posts: 392
From: YEAH RIGHT !!
Registered: SEP 2000
posted January 05, 2001 11:53 PM
Acetone disolves PVC, abeit slowy but never the less you should take precautions or you could have problems.
------------------
"ARE YOUR PAPERS IN ORDER" -- Jack Booted Thug
MasterMayhem
Frequent Poster
Posts: 84
From: Norway
Registered: OCT 2000
posted January 06, 2001 08:53 AM
I used a paper matchbox, to mold the putty in, it worked.