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1-3/4" round shell


pudidotdk

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It took about two days (not to full days). I had to make a papershell and dry it overnight and ram my own spolette and such... The worst part was pasting the 5 layers of paper it took like.. forever! Gotta find a way to speed up the process.

 

But I'm glad y'all liked it :)

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Just wait for bigger shells. They can take upwards of 15-20 layers for a 6" shell. It goes faster over time.
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Don't know if such as small shell would apply but a few good turns of fibreglass tape might be worth trying to save time and maybe use a 0.3gram tissue flash bag in the middle? I am experimenting with tiny round and can 1inch shells so il try this and let you know what happens. Small shells are briliant if you can get them breaking good - they take less comp, time and resources:)
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  • 1 month later...

Wow that was pretty and I didn't laugh at it and again it was nice.

The second one, I don't mean to sound like a know what I'm talking about, but maybe if you use more Al. That sometimes works for me in my fountains and I have kind of stop using flares for my fountains I use golden powder.

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awesome shells for their size. keep it up.
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As far as the first shell goes I must say that is an awesome shell for your second try! Great work. Very cool for its size. I will be very anxious to see in 6-9 months when you are making larger shells!

 

I don't think the prime ruined any effect at all, looks good to me!

 

Might I say, don't rush it, you are doing great and sometimes shells will take a helluva long time to complete.

 

For larger shells: from making stars and burst, to putting the leader on I can take upwards of three weeks. Be patient and I am sure you will make some nice shells in the future!

 

What stars were in the second shell? also, are you electrically firing these?

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al > The stars are my own composition that I discovered by accident.

 

Potassium nitrate - 15,6 parts

Magnesium (granulated, 80 mesh) - 7,0 parts

Aluminium (bright, flake) - 3,6 parts

Dextrin - 1,2 parts

Boric acid + 1%

 

I don't remember the prime though.<

 

Yes I fire most of my mortar stuff electrically, since that is cheaper at the moment. (free wires vs. fuse ;) )

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  • 2 weeks later...
to make the rising effect on the first shell did you simply hot glue a star or two to the top of your shell? could i do this on a plastic shell or would i have to put a piece of cardboard between the plastic shell and stars to prevent them from burning through? nice shells by the way.
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to make the rising effect on the first shell did you simply hot glue a star or two to the top of your shell? could i do this on a plastic shell or would i have to put a piece of cardboard between the plastic shell and stars to prevent them from burning through? nice shells by the way.

Yes I glued them to the top of the shell. If you're worried about the comet burning through the plastic hemi, just wrap a layer or two of kraft around the comet.

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I've had plastic shells visibly deform from comets. Plastic is pretty elastic stuff when melted, it's not going to burn through. One thing that suprised me is that I still got a pretty decent break, and the plastic was dented inwards. I would have suspected the plastic to be expelled outwards.

 

Also, it's always a good idea to put a few wrappings around your comets. I personally use masking tape, but pasted kraft is more traditional. It prevents burning of the sides. This does 2 things. First of all, it makes the comet burn longer. Secondly, it prevents the glue holding it on from melting and making the comet fall off.

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  • 6 months later...
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