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Check out SonicDad.com to see more great projects! http://www.sonicdad.com/
SonicDad’s Bottle Rocket Project: http://youtu.be/BR6n31OphuY
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Some of you that have followed me for a while might recognize this project as an upgraded version of my water bottle rocket launcher, seen in this video: http://youtu.be/YRtFY_O0HcU
While the old design was the cause of quite a few singed arm hairs, this new model is much more pleasant to use due to the new blast shield as well as the distance from the rockets that has been achieved by having the igniter on a longer leash. Even so, safety glasses are a required precaution, just in case.
I recently participated in leading some science based activities for grade school aged kids and these bottle launchers were a big hit. The kids had a lot of fun attaching craft foam fins onto the bottles with duct tape and hot glue. The launchers themselves only take about 20 minutes to put together, so it’s a quick and easy project that offers a ton of entertainment.
The rockets are fueled by the combustion of rubbing alcohol, which is ignited by the spark from a barbecue igniter. I used rubbing alcohol with a concentration of about 90% in the video, but any concentration of 70% or greater should work just as well. When fueling the bottles, the most important step as shown in the video is to whip the last drops of liquid alcohol out the open end. This brings the fuel/air mixture to the proper level for a good combustion, and reduces the liquid alcohol particles expelled from the rocket upon launch that otherwise could melt the plastic blast shield or cause minor burns.
A neat trick I did not mention in the video is that once the bottles have been fueled, rather than pushing them onto the launcher the cap can be put back on the bottle to have it ready to fire later.
Parts for this project:
(x2) 1.5′ x 3/4″ PVC Pipe
(x2) 10″ x 3/4″ PVC Pipe
3′ x 1/2″ PVC Pipe
3/4″ x 3/4″ x 1/2″ PVC Tee
(x2) 3/4″ PVC Elbow
Push Button Barbecue Igniter
Extra Wire (about the same diameter as the wires on the igniter)
Solder & Heat Shrink Tubing or Electrical Tape
2 Liter Soda Bottle
Safety Glasses & Hearing Protection! #NightHawkInLight
Check out my latest video: “How To View Invisible Air Currents With Lasers”
Animate ANY Stamp! analog lenticular animation
I have seen 2 companies come out with animated stamps and that is pretty cool but you can also get the same effect using supplies you already have! The technique is an old one, it’s called lenticular animation and I’ll show you how to apply it to stamping today!
SVG template https://drive.google.com/file/d/0B0U0Zl32BeZfcGtFRXNyRTZSTFk/view?usp=sharing Directions: arrage in your die cut software so it will cut 3/8″ in from the top and left hand side of the mat and then place a 5.5″x8.5″ (half sheet) of cardstock vertically on the left side of the real cutting mar making sure it is allighned at 0″ in the upper LH corner.
*If you don’t have a die cutter you can cut as many stripes as you like 1/8″ wide and apart from each other and follow the rest of the directions. This video shows a card cut by hand: https://youtu.be/JJkxxSXqaaQ *You can search analog lenticular animation to see other ideas and designs not using stamps.
You could also print a striped transparency like Uchi designs sells: http://shrsl.com/?i87i or use their kits for a very easy version!
Dragonfly or butterfly clear stamp *The set I used is from Inkadinkado but I could not find it anywhere, this one is close. http://amzn.to/2sjHp5x
Clear stamp blocks http://amzn.to/2qLU2UZ
Lightweight cardstock (white and color of your choice) http://amzn.to/2rKBYPL
Craft knife *I love the new easy change knives from Fiskars! http://amzn.to/2qLYVwZ
Metal edge ruler http://amzn.to/2rwcl4r
1/8″ Scor-Tape http://amzn.to/2rqtZoa
1″ circle punch http://amzn.to/2rKxV6l
Cutting mat http://amzn.to/2qLZXcl
White pen *my favorite white pens! http://amzn.to/2sjOT8m
Low tack painters tape, masking tape or washi tape for securing you paper.
Ink pad to match your colored cardstock
Marker to make your colored cardstock
Time: Plan on spending 20 minutes on this project.
If you want to see the easier store bought animated stamp sets you can find them here: http://shrsl.com/?i87i
Check out my NEW Essential Watercolor Course: https://lindsayweirich.teachable.com/p/essential-tools-and-techniques-for-watercolor-painting
Enroll in my Craftsy Mixed Media Class: http://craftsy.me/2nEBtnq
Video production and Craft ideas: Lindsay Weirich
Music: Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
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