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First shells of this year.. (video)


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Posted

Finally got the first shells of the year in the air, let the testing begin! I am going into my 2nd year of pyro now so I am looking for improvement over last years shells. Also, I invested in a new video camera (Canon Vixia) that has a 'fireworks' mode. I am still getting used to the camera, and in the following videos you will see that I am standing too close to the mortar. The next set of shells that I film I will get much farther away so that the whole break fits in the picture. Anyways.. here we go.. all 3" peonies, all Jopetes colors.

 

Posted



Posted

You break them hard mate !

Nice colors ofcourse, only the green isn't that good on camera.

 

How much booster do you use ? Were all the stars the same size ?

Posted

I got something wrong i heard them but couldn't see them.

Posted

nice shells, cant beat a bit of spanish booster ;)

Posted

Hmmm now they work. Look good Brad. My tubes really shoot them up there.(LOL)

Posted

Brad, one thing I have noticed with using the monocapa prime is that it leaves quite a trail sometimes. I use dark flake instead of the mgal and most of my color stars look like they have a layer of silver flitter similar to yours. Nice shells though. Glad to see you back at it.

Posted (edited)

Nice shells brad!! Gonna have to give the spanish blue a try.That hot, milled BP prime sure seems to light those stars well.. ;)

Edited by Xtreme Pyro
Posted

Thanks guys for the compliments! I don't know why the green doesn't show up that well, for some reason my cam doesn't like green. The green is the spanish green (with barium carbonate, green#1) and is the best green I have used (and easiest to light). Greg, I too use dark aluminum in my monocapa, and I have noticed the trail from it. I love it! It gives the stars a nice touch, in my opinion. I am going to crank up the altitude about 50 ft though. The reason: Last year I rolled my stars onto peppercorns, which are fairly large. This year I started using #8 lead shot (thanks Xtreme Pyro) and kept the stars the same size.. thus... they burn longer and the breaks are bigger. Not a bad thing, just gonna get em up a little higher in the sky. Easy to adjust. Andres: I use 3g spanish booster (35/35/30).

Posted

Hi all. I personally did not really like the trace that occurs when the star fly. That slight trace or wake you see in the stars is due to several factors:

- When the speed of the star is very large at the time of ignition a big "stretching or lengthening" Fire Star and all particles that burn occurs.

- Dark aluminum must be German, it is the finest there 2micras and there is little trace. If thicker foils are used for some this undesirable effect.

- The coal used must be type willow, balsa or very light wood and must be ground into fine powder, I recommend grinding coal, red gum, sulfur and dextrin everything together in the ball mill and then mixed with other ingredients on a screen.

- Finally, the use of chemicals such as iron oxide, silica or diatomaceous earth produce slag that facilitates ignition but produce on that trail or wake. If after the monolayer is to use a final layer of 1mm of black powder, I recommend 9-4 reduce and even suppress the iron oxide of monolayer.If you use two coats of primer, 0.5 mm monolayer and 1 mm fencepost is not necessary at all and diatomaceous earth silicon on fencepost.

These suggestions are to minimize the effect "tail or trail" without losing effectiveness in the ignition of stars at high speeds or strong openings of the air shells.

 

I hope you understand everything, I use google translator and sometimes errors occur in translation leading to misunderstandings.

 

José

Posted

Thanks for the information Jose. I sent better quality videos of these shells to your email. Personally, I sometimes like the trails behind the stars! But I will decrease or eliminate the amount of Iron Oxide in the monocapa when I want to reduce the trailing effect. Right now, I am probably using too many slag-producing chemicals. In the monocapa, I am using Iron Oxide, and in my final bp prime layer, I am using silicon 5%, and DE 5%. This is probably too much, but I am afraid to change much because I am achieving 100% ignition with all colors at this point. I will experiment and report back.

Posted

Lookin' good Brad! Your shells are still the wrong shape though ;)

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