blue aluminium powder
Posted 18 March 2012 - 07:46 PM
has anyone in the uk heard of this,
the usual 70/30 made using it, apparently wont ignite unconfined, supposedly
helping to make salute manufacture "safer"
i saw the info on the apc forum
Posted 18 March 2012 - 09:59 PM
Posted 19 March 2012 - 01:04 PM
Posted 19 March 2012 - 02:55 PM
Posted 20 March 2012 - 09:38 PM
- helix likes this
Posted 20 March 2012 - 11:22 PM
Even flash made with american dark will light up on the ground for what it's worth. Word on the street is that this "blue aluminum" is actually just a relatively fine atomized grade. I really don't know how much safer it is, and we probably wont get any ideas until it more thoroughly makes it's way out to the hobby market. They claim it will offer cost savings, but that is not true given some prices I've seen.
Blue aluminum is definitely not just rebranded blue head. Don't let the name confuse you. Blue head just refers to the color of the top of the drum. Similarly blackhead has a black top, and yellow head has a yellow top. I've seen pictures and videos of it. The "blue aluminum" is a light grey powder, with a kind of bluish tint. It looks exactly like atomized Al, and seems to behave like it with it's flow properties. Blue head will be a dark steel grey and clearly behave like flake
Posted 20 March 2012 - 11:26 PM
Posted 20 January 2013 - 06:57 PM
Yup Ive got some but not tested it yet
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Posted 21 January 2013 - 08:08 PM
Posted 22 January 2013 - 12:57 PM
I'm the same as Phil, I've got 200g but not fully tested it yet. From one small test I do know already that it does not ignite from a naked flame or when open and with a piece of blackmatch. I understand that even confined it needs a hot primer or fuse, I have tested and know that a simple visco fuse is not enough to light a firecracker size test. I'm thinking a spollette with a hot burning comp may be required or you may need to add some sulphur to the usual al/KCOL4 mix to sensitise slightly.
I will do a small test with a hot comp in a spollette this weekend I think.
Posted 22 January 2013 - 04:12 PM
normaly in flash salutes some air space is allowed to make a deeper bang / build up the pressure so does that mean you cant do this using blue aliminium as it needs to be confined.
all of this dont matter i suppose as its so pricy to get it in in uk we wont see it being imported. unless anyone would like to get a containers worth.
Posted 22 January 2013 - 04:37 PM
Oliver Brown is advertising this over at APC. I would reserve judgement before doing proper tests, but it does appear that it can ignite from visco, in the open. I believe Nitroparis are stocking it.
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