These have been working surprisingly well, and will be updated as better designs are tested.
Please use all safety steps you would normally take when handling any firework.
Test video of a 16mm and 20mm
Works well with standard PLA. The tube can be reused several times.
There are two shell cap options, a twist on, and a snap on.
Try both and decide what works best for you. The twist caps work best with “slow flash” or BP burst. The snap caps work well with "fast flash"
DO NOT USE snap tops with impact sensitive flash.
Try the 20mm delay first. Use the 25mm delay if you want more hang time.
The offset delays allow you to glue a star/tail onto the base of the shell.
Both the shell and tube have a 3mm hole for the fuse. This will give a tight fit with 3mm diameter fuse. A tight fit on the shell's fuse is important to prevent hot gas from the lift charge setting off the shell in the tube.
2-3 grams of lift charge work well for me.
I print on standard quality with 100% infill.
The tool and base can use less infill.
Made in Tinkercad
Update: 12/25/23
Added V3 Threaded 20mm shells. The caps are much easier to thread on and off now.
Note: prototypes have had limited testing.
Aerial Salute Reloadable Mini Mortar Firework
by LA Hover · original on Printables ↗
Gadgets / Other Gadgets
♥ 60⬇ 523🖨 4 prints
Print profiles
20mm Cap Tool.stl
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19.8mm Shell, 14mm delay, 3mm fuse.stl
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Tube 20x150mm V1.stl
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20mm Tube Base for V1 tube.stl
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19.8mm Shell, 20mm delay, 3mm fuse.stl
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20mm offset delay, snap top V1.stl
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20mm delay, snap top V1.stl
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16mm Cap Tool.stl
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16mm Tube, 3mm fuse.stl
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20mm delay (16mm shell).stl
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20mm delay, snap top V1.stl
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16mm Tube Base.stl
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20mm delay.stl
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20mm offset delay.stl
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25mm offset delay.stl
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25mm delay.stl
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16mm Triple Shot, no delay.stl
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Tube 20x150mm V2.stlDEFAULT
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20mm Tube Base for V2 tube.stl
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Double Break V1.stl
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Lock & Load Casing 0.2.stl
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Lock & Load base 0.2.stl
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Lock & Load Tube 0.2.stl
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Twist Lock 0.2.stl
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Snap Top 25mm delay, V2.stl
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Snap Top 20mm delay, V2.stl
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Snap Top 25mm offset delay, V2.stl
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Snap Top 20mm offset delay, V2.stl
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Thread Top 20mm delay, V2.1.stl
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Thread Top 20mm offset delay, V2.1.stl
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Thread Top 25mm offset delay, V2.1.stl
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Thread Top 25mm delay, V2.1.stl
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16mm Double Break V1.stl
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20mm delay, V3 Threads.stl
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25mm delay, V3 Threads.stl
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25mm offset delay, v3 Threads.stl
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20mm offset delay, V3 Threads.stl
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Cap Tool V3.stl
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20mm delay, V3 Threads.stl
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