EPTStupid Physics lab/experiment - Page 2
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RezChi
Canada2368 Posts
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starfries
Canada3508 Posts
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RezChi
Canada2368 Posts
On February 17 2011 11:56 starfries wrote: was no parachutes the teacher's rule? you wouldn't be able to make a big enough parachute with 7 pages anyways. but 1 piece of paper in a cone will protect an egg as long as your landing is perfect. i would make a cone out of 2 pieces of paper, crumple a third and put it in the nose, and then make some awesome fins out of the 4 other pieces Yes no parachute was a rule, also would the fins really make the cone go down straight more? I tried it with out fins and it landed on it's side and splat. | ||
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Galaxy77
Hong Kong256 Posts
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starfries
Canada3508 Posts
On February 17 2011 11:57 MarineHeroSamKhan wrote: Yes no parachute was a rule, also would the fins really make the cone go down straight more? I tried it with out fins and it landed on it's side and splat. yes the fins are really important for getting a good landing. if you've ever played with one of these in comparison with a normal nerf football you'll know what i'm talking about. ![[image loading]](http://www.besportier.com/archives/nerf-vortex-ultra-lite-football.jpg) | ||
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kerpal
United Kingdom2695 Posts
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mikeymoo
Canada7170 Posts
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RezChi
Canada2368 Posts
On February 17 2011 12:00 starfries wrote: yes the fins are really important for getting a good landing. if you've ever played with one of these in comparison with a normal nerf football you'll know what i'm talking about. Those fins are sturdy, so i should roll up some more tubes then flatten them to make them look like fins? | ||
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Lemonwalrus
United States5465 Posts
![[image loading]](http://www.miqel.com/images_1/fractal_math_patterns/multi-hyper-dimensional/240px-Schlegel_wireframe_5-cell.png) | ||
Cambium
United States16368 Posts
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Impervious
Canada4222 Posts
I can think of a few ways that you can make a framework that will absorb the impact without affecting the egg as much, and also ensure that it will hit the ground and not transfer most of the force of the impact to the egg. A cone is a good idea, except you actually want it to hit the ground on the circle face, not on the tip. This is because that when it hits the ground at the tip, it will absorb a bunch of the force, however, it will also tip over when it hits the ground and then smash the egg straight on the ground anyways (or at least transfer a lot of the impact to the egg)..... If you hit with the circle face, it will crumple without tipping, which is exactly what you want it to do. | ||
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~ava
Canada379 Posts
Anyway the most successful ones I've been witness to have been very simple. Just get the paper and make a large amount of corrugations, just fold it into v-shapes so each piece of paper supports the other. Add tape. Tape the surface of the egg to stop cracks from propagating across the shell. Tape the egg to the topmost sheet. Put straws wherever you like (not really necessary). ![[image loading]](http://i.imgur.com/HR8AH.png) | ||
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starfries
Canada3508 Posts
On February 17 2011 12:14 MarineHeroSamKhan wrote: Those fins are sturdy, so i should roll up some more tubes then flatten them to make them look like fins? ok I got curious so I actually tried this  I used 2 pieces of paper. one I put in a cone and the other I taped flat over the top (so the whole thing looks like a T) it survived but the way it fell over sideways was kind of alarming, so I would recommend putting smaller cones pointing sideways to reduce the side impact. A cone is a good idea, except you actually want it to hit the ground on the circle face, not on the tip. This is because that when it hits the ground at the tip, it will absorb a bunch of the force, however, it will also tip over when it hits the ground and then smash the egg straight on the ground anyways (or at least transfer a lot of the impact to the egg)..... If you hit with the circle face, it will crumple without tipping, which is exactly what you want it to do. this is also a good point | ||
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ZeaL.
United States5955 Posts
Edit: If you choose to go the paper route do this. | ||
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Sonikhawk121
United States21 Posts
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RezChi
Canada2368 Posts
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HawaiianPig
Canada5155 Posts
![[image loading]](http://www.jeremyperson.com/wp-content/uploads/2008/04/fat-straws.jpg) I can't possibly see an egg breaking if you constructed that well | ||
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RezChi
Canada2368 Posts
On February 17 2011 12:28 ZeaL. wrote: make a cylinder and then put fins on the side that are slanted. Use any extra paper to make a crush zone at the bottom of the cylinder which will cushion the egg. The fins make the thing spin which decelerates and keeps it pointed downwards so that the egg will land on the cushion. Did that like 5 years ago when I had to do this experiment and could do 35m okay. Edit: If you choose to go the paper route do this. Wait so the fins are slanted upwards right? | ||
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~ava
Canada379 Posts
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Impervious
Canada4222 Posts
Which will be very difficult to accomplish with paper, because of air resistance..... With a straw framework, you won't really have to worry about that. | ||
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