Mortar Tube Strength Test
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- Опубликовано: 19 янв 2023
- I have wondered for a while what would happen if a firework mortar exploded inside the mortar tube instead of in the air. I've always been curious what the expansion of the HDPE tubes would look like if this actually happened. I have tried for some time now to think of a safe-ish way to test this out for myself and finally settled on what you see in this video. With this test I wanted to offer comparison tests with various different materials. In this video I show the results of HDPE, fiberglass, and cardboard mortar tubes. I also show the result of PVC which is a material not recommended for mortar shells. The reason being showcased clearly in this video. I am very pleased with the outcome of this video because it gave me nice visuals as to how each one of these materials behave under extreme stress. I don't know that these effects would ever happen in a real world situation because the mortar tubes for fireworks shows are not intentionally blocked, therefore the energy and pressure would have some way of escaping reducing the overall stress on the mortar tube. #fireworks #safety
*Please DON'T try this yourself. These tests have a high potential for severe injury.
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Music:
Flint - Far from Me 
Развлечения
Well done.
Thank you!
nice effort
Thank you!
Awesome video!!!! You should try this with Salute shells.
Thank you! I had someone else suggest that I use salute shells on another test video. Do you have any products to recommend?
Hey just a heads up instead of putting something on top to block the shell from escaping you should put the shell upside down since that happens to many people who aren’t experienced and more realistic
Thanks for the suggestion. I realized that a little while after I went through all the trouble of making this setup 🤣
I got some big canister shells and I wanted to ask I'd there's a safe way to get then to launch higher? I set a few off tonight and they broke so low that stuff was hitting the ground still burning. As I have little kids this concerns me.
I've heard that if you have a longer mortar tube, it will result in a higher launch. Most of the HDPE tubes I have are 12 inches but the company I buy from offers a 15-inch option as well. I've never personally tried this to know for sure, but I do want to do a comparative test in the future.
@310fabrication could there be anything negative that would possibly happen if I cut 3-5" of one tube and secured it with hd CA glue and a few wraps of TRex tape? 4 tube's came with the pack so I gave an extra to spare. Thank you for you fast reply, I very much appreciate you doing that especially to an older video
You're welcome, I'm happy to try and help. I know timing is probably not ideal to order the new tubes, but I wouldn't personally recommend doing that. I can't imagine a scenario where the CA glue and tape would be strong enough to contain the explosion in the event of a failure where a shell got snagged on the transition. I would think the result would be worse than the shells breaking low. I don't know what set up you have but if you are reloading tubes the low break could be the result of debris in the tubes. The second year I fused my HDPE racks I didn't clean my tubes out and some had leftover paper that caused a few dangerously low breaks.
@310fabrication thanks for the advice. I have a few old bottle brushes. I could use one to clean the tube after each launch. My son turned 4 June 28 and we celebrate his birthday on the 4th and he loves fire works. He likes to pick them out and carry them to where we set them off. And now my 2 and half year old twin boys were kinds scared last year but this year they absolutely love them. The ones I got scream all the way up and pop loud and thunderous.
@310fabrication thanks for the advice, the neighbor had some too and they had tube's that were 3" taller and they did the trick. Didn't have any sparks still burning when they hit the ground
Love this video and all the safety steps you took. Lift charge failure is a real thing. here is a lift charge failure and wrong tube. ruclips.net/video/PufQnyS8lfw/видео.htmlsi=EGMa-wCXabnX6DDL Go to time stamp 1:20. They used a concrete bucket and tube. The shell was below the concrete and concrete shrapnel flew every where. people should not use tube and concrete bucket. thank you for your video.
Yikes! A tube that big with concrete shrapnel would be crazy scary. Yeah, I've been curious on how common lift charge failures are. Outside of the tests I've done, I haven't personally experienced one, but I still like to perform tests to get a better image in mind for what could go wrong.
@@310fabrication Here is another, where a guy must have used a PVC pipe. ruclips.net/video/IptAp65-mGU/видео.htmlsi=hx20uFrKb29hGdbS .card board, fiberglass, or HDPE pipe does not send shrapnel.