Fantastic Contraption - Fun Online Game & Shareable Creations

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tribdog said:
http://FantasticContraption.com/?designId=722994
no balls, no sticks
There is no way I'm going to watch it for an hour to see if it stays in the goal. If it doesn't I'm sure the height of the drop can be adjusted to make it.
It leaves the box in about 10 minutes. I don't know if there's rolling friction in the code. I do know that collisions are inelastic, but that isn't enough to keep it in the box. Friction is needed. If there is friction built in, then getting the height right will do it.
 
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sorry, you are right. I adjusted the height to the minimum and it leaves the goal. seems like the big ball should be able to have some effect on stopping it, but no matter how slow I'm going it just pushes through the big ball
 
Gokul43201 said:
It leaves the box in about 10 minutes. I don't know if there's rolling friction in the code. I do know that collisions are inelastic, but that isn't enough to keep it in the box. Friction is needed. If there is friction built in, then getting the height right will do it.

If you add a water rod to the wheel then it does experience friction.

tribdog said:
sorry, you are right. I adjusted the height to the minimum and it leaves the goal. seems like the big ball should be able to have some effect on stopping it, but no matter how slow I'm going it just pushes through the big ball

This worked!
http://FantasticContraption.com/?designId=725002

I think we must need at least one stick
 
Agreed.

The quest for the simplest solutions...

In Reach Up, it's possible to make a "staying" solution with fewer than 6 parts. Can you do it?
 
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I'm pretty sure Gokul came up with the same solution. but he's sneaky. that's why he said fewer than 6 parts. that way everyone shoots for 5 and he gets to trump them. got to watch him.
 
No, I didn't think of that. That's clever, and makes you so want to do the forehead slap thing.

Anyone got a simpler solution?
 
out of whack said:
Not necessarily simpler but different.
I did not think of that before seeing yours, but it's doable in just 2 sticks
Same kind of principle for the next level :
ming the gap, no wheel
 
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humanino said:
I did not think of that before seeing yours, but it's doable in just 2 sticks
Same kind of principle for the next level :
ming the gap, no wheel
You can do your first solution with a single stick but we're looking for solutions that keep the target within the goal.

EDIT: Here's Mind The Gap with 1 stick, 1 wheel.
 
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Heh. You guys have 'economy' covered. I've got 'most complex' covered. Mine usually look like caterpillar tanks driving over conveyor belts. I'm particularly pleased with the 'Awash' one, which acts more like a Mole-people tunneler.

Maybe I'll go back and hone my skills at economy.
 
These are really great. They are a bit too much for my 7 year old grandson, but he is starting to get the basic idea. It is a great learning tool. He loves to watch me do trial and error.:redface:

Does anyone know of a similar "building moving objects" website more age appropriate for grade schoolers.
 
edward said:
These are really great. They are a bit too much for my 7 year old grandson, but he is starting to get the basic idea. It is a great learning tool. He loves to watch me do trial and error.:redface:

Does anyone know of a similar "building moving objects" website more age appropriate for grade schoolers.

http://www.miniclip.com/games/magic-pen/en/
this?
 
rootX said:
http://www.miniclip.com/games/magic-pen/en/
this?


Great ! thanks
 
Thanks rootX, your solution is much more elegant than mine :smile:
 

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