How I Make Firework Hemispheres
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- Опубліковано 2 жов 2024
- In this video I show how to make 5" hemi's using a softball as a former. The wheat paste used can be made via the process shown in this video: • How to Make Wheat Paste
Recent News: A set of DVDs is now available from the UA-cam user displayfireworks1 that goes through the process of obtaining a Type 54 ATF license (The license required to purchase 1.3 commercial fireworks). Not only does the license allow you to buy commercial fireworks, but it is also the same license required to allow you to transport fireworks you have built yourself. I highly recommend you take a look. More information on these DVDs along with how to order them can be found here:
• Get your Fireworks Lic...
I've got big plans for this year. Be sure to stay tuned.
-NH
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Check out my latest video: "How To View Invisible Air Currents With Lasers"
• How To See Invisible A...
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It's ok if the hemispheres are thin. The pasting on the outside of the hemi's after they've been filled with stars and burst is what needs to be strong.
@r2darky Sure do. Those are rolled stars. You throw something like fine birdseed in a bowl or cement mixer and get it turning around while you spray it with water and throw composition over it. Eventually the comp starts building up on the seed which forms your stars. To make stars change color you start by adding one color of composition, then switch to adding layers of another color. When the stars are ignited they burn from the outside in.
Hmm, maybe you have weird softballs.
@panzuman Nitrate can cost less than $1/lb if you can find a supplier of agricultural grade. I believe Skylighter is having a sale for nitrate at ~$2/lb. It might be over by now.
@SuperBigmac1997 Look up my video, 'How to Make Wheat Paste'
Hi, nice informative video, I tried this method once, the only problem was that when I cut the hemispheres and let them dry the open ends lost shape, I mean they turned oblong, any suggestions ?
@panzuman Any ebay supplier should be fine. I have never heard of anyone selling anything unusable.
Yes very often. It's a shame that it broke down only because I have nothing I can mill BP in right now, but really an upgrade has been needed for a long time. I need something with a 2 gallon capacity to accommodate my heavy use. That would be ideal. I hated to have to run my dual barrel mill several times for a single shell.
@3981784 That is a press for making juice. They are used in fireworks for making rockets, comets, and pressed stars. That press is too small for rockets though. Most people use larger presses, but I got a deal for that one at a garage sale.
Just flour. If you check the video description there is a link to a tutorial about how to make it.
Yes that's true, but it's no big deal to flex them back into shape once again when dry. Even factory made hemis often are bent in shipping, but it doesn't hurt the final result once reshaped.
They must be VERY thin, with nearly no pasting. These hemis came out just over 4 inches OD without pasting.
@daytonpyro It's actually a little large for a 4" and a little small for a 5". I've found that better formers are some variety's of foam balls from Walmart or wherever. This is also not the greatest pasting method. I'll have to do an updated video at some point. In the meantime you can learn quite a bit about pasting by browsing the threads over at amateurpyro(dot)com.
Just a question of curiosity. Why do you not make the hemi's from card formers like the chinese ones? Your way is far more expensive, using so much more paper and paste for exactly the same results. Also the time it takes to make two hemi's is ridiculous in comparison. If you are unsure of the shape to cut for the former eg the different sizes (1",2",3" etc etc...) I could send you the patterns for the cutouts in a pdf file if you want to save a hell of a lot of time.
Just 3. 4 or 5 would be good to make it a little larger since it's small for a 5" shell anyhow.
@3981784 Good plan. Harbor Freight has some inexpensive ones. I don't know much about the quality of them.
I'm working on it. I have been unable to fire it at the last few shoots. Unfortunately it looks like it may need to wait until March or April.
I did one a long while ago on 3" shells. It was taken down and I am yet to post a new one. You can count on one when I get around to filling those and other hemispheres.
Thank you. You may not have noticed, but I was uploading a video every week or more for about a month and a half around last November. I would like to upload a video weekly, but it is a LOT of work. I will do what I can.
Absolutely. The strength of a ball shell comes with the pasting. The actual hemisphere only needs to provide minimal structural support. If you want them stronger it's a simple task to put on another layer or two.
It's yet to be fired. Various events have prevented me from using it. It will likely have to wait until March or April before being fired. Quite disappointing to wait that long. I'm doing my best to get more in the air before then.
It is that style yes. The tumbler itself has broken down, but i saved the barrels as extras for a new mill.
The ID is almost exactly 4". You may have bigger than usual mortars. I'll have to test fit one of those hemi's in one of my 4" guns and see if they all come that much larger than 4".
I paste 3 layers, you can paste more, but less would make a rather thin hemi.
@fireworkgalore It came as a rock tumbler such as those from harbor freight.
I used to wrap shells that were too small in a few layers of paper towel.
@r2darky 4 layers is fine, they should be thin. You increase the thickness when you paste the shell later.
@panzuman Look and find out, how should I know
My ball mill broke down at the end of last year. I'm yet to build a new one.
@panzuman I buy 50 lbs or more at a time.
Thank you, I appreciate it. I'm doing my best to make much better videos this coming year. You may even see redone versions of old ones.
@r2darky More or less. Look up the 'three strip method'.
No, I let it fall away once the shell left the mortar.
I replied to a similar comment earlier.
@jesdog23 You're welcome, thank you for your comment.
I do plan on a few large shells this year, likely 8-10".
@fireworkgalore It is a ball mill drum.
Happy birthday
i finished making 4" hemis with a baseball rather than a softball. although i dont know how im going to get it to fit in my mortar when its done because its just the hemis right now and it is 1" too small. thats 1/2" on each side. theres now way pasted kraft could fill all that without stiffling the break. maybe ill try it as an experiment. have any other suggestions?
Yesir. Thanks for the comment
@r2darky Yes, you can.
@Nighthawkinlight odd, I did have the actual hemisphere pretty thin but I still managed to get at least 10 layers of pasting on it. I didn't watch the whole video so sorry if I missed it but what is the ID of those hemispehres?
@Nighthawkinlight night hi again :D man... sry about boring you, but i cant find ANY online site that sells aerial shell hemispheres, and ships it to europe, all the sites are USA only! ( i need a site that at least ships to portugal / spain) i really need a professional help :S
you should make a mega shell, but it might be pricing mailing you a bowling ball to use as the guide lol.
the good thing about keeping the ball inside the hemispheres after cutting is it will maintain its shape while drying. in the past I have had a few that were out of shape after the paste had fully cured..
@Nighthawkinlight ahh great, yes i made 1 2" hemasphere, hmm.. is 4 layers enough? because it feels kind of weak? welli can easily press it making it break or what ever you would call it.
@Nighthawkinlight
I see, a shame that such a device just breaks down like that.
Did you use it much?
awesome :)
your tutorials are great !
5*
Im just currious..... Why do people like spheres over canister shells? seems like canisters would be much easier
Spheres break more symmetrical
@neovictorius
It's wheat paste, used to glue posters and stuff. It's just flour and water. Google up the ratio ;)
Hmm thats too much work! Its possible to make that easyer =)
But the result is quite good! 4.5* XD
@Nighthawkinlight cant you just use the glue you get when glue'ing wallpaper onto your walls? :D
that paste-thing that the paper strips are in.. is that like thin glue or something??
ye.. i posted that before i realized that... I use for making things at christmas :p
para que sirve esas cosas que a hecho con esa pelota
Lol I use a softball for making 4" hemispheres...haha
In the bottom right of the screen? Is that a lortone?
What is the name of that brown round cork ??
thanks man! ill have to rermember to do that once i shoot my 4". i just whipped up a batch of D1 glitter last night. milled it in a commercial ball mill but it took longer. then i added my homemade Al. i coated Sunflower seeds 4:1 with bp but im thinking on adding granulated bp to mix with it. i want a good break. its great because i found the mortars in the garbage. four 4" cardboard mortars for free! cant beat that!
Very nice ben. I have never seen your ball mill before. Very good tutorial. Hope to see some great videos in this year.
Oh hey, if you get the chance, check out my videos. I have some tutorials and some very cool homemade shells and starmines.
Was there never a video of the big multibreak?
Why are all your black powder videos flagged?
y dont u just buy them the only 50 cent each
@Nighthawkinlight thanks!!! your a life saver. i couldnt find any formers that were perfect for a 4" shell. did you wrap anything on top of the paper towell?
I know it's bad but I used 4" pvc for the mortar so it was right around 4". I actually layered a few layers of paper on the inside of the hemi once it was dried to make it a bit thicker, but that is still weird because my hemis were around a 3.5" ID
how many layers did you paste onto the former? i usually do 4 or 5. very good video. very informative and instructional. keep up the good work.
When are you going to fire your multibreak shell!?
you talk to muhc
This guy "WhatHowMovie" upload your video on his channel.
BTW very nice tutorial. ;)
i have just watched your demo , you sir are awsome !! do have any vids of being deployed ???
Can i jus buy them in in the USA
spend the whole 10.00 and get the factory ones jesus oops i just woke up.back to another snooze
@Nighthawkinlight oh yea, while where at it, could i ask you somthing? ive seen som shells that have stars that shift from collour, like from blue to red, or yellow to green, som even go from red to purple blue than yellow and green, do you have any idea how to make those?
i like the video, but cant figure out how you do this for the life of me. you flash foreward on some of the strips. Also. you sure thats not a 4 inch shell. I dont think a softball is that big.. I bought a 12 inch softball. its 3.60 inches or so around. so, 4inches... what else do you use for formers? thanks
Very cool thanks for sharing. U should make a fireworks playlist
They Look like chocolate
only if fireworks were legal in australia
@FIREWORKSgalor this way waists no paper.
so i made my first one, haha it was pretty messy, i hope this one will turn out good when i add powders. my second one looks pretty good, almost perfect o.o but it looks thin, i hope it's thick enough for the shell to burst out hard. my 3rds shell needs to dry now, i used more than 30 strips in my 3rd one.
@Nighthawkinlight
Can Elmer's paper glue diluted in water be used as a substitute for wheat paste?
One tip Hawk.
When I make these I leave them to fry on the ball after I've cut them. Other wise I find then all warped up.
happy birthday =]
Happy birthday
happy birthday
great work
i am very thank full to u to giv this idea .. hats off
THANKS
Thanks NH:)
sorry, just saw the link in the description. :)
Excellent tutorial, thank you for making ;)
Very cool method. Like it.
Great idea!!! Great process too... I never heard of wheat paste. What about wallpaper paste?
@Nighthawkinlight ahh ok, paste them on the same way i put on the layers?
Good work like it alot
great vid...I'd just be worried I'd cut my fingers off w/ the sharp knife!!
from brown to brown
you can get round plastic candle molds and use them to make hemispheres.
I've been looking for a tute like this for aaaages! thankyou so much! :D
happy birthday
whats that white stuff on the plate my cp sound dont work yet
What kind of kraft paper did you use?
how did you make the wheat paste? thanks!