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This is the "Flying Frogs," a minor ride in the Froggy World amusement park for adventurous plastic frogs.

This started as a sketch, then the tower and cross bar holder were designed and 3d printed:


The frogs were made out of clay, baked, then glued to the cross rod.
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Step 1:

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Start with a base and a couple of extender pieces.

Use acetone (nail polish remover--available in most grocery and drug stores) to "weld" the pieces together.  I "paint" the pieces with a small brush then put them together.

Step 2:

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I drilled a 1/4 inch hole in the bottom piece for the wire to escape.

Step 3:

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I used a Jameco (jameco.com) gear motor (part number 15582) to move the frogs in a nice slow manner. The motor friction fits inside the column.

For power, I use a 9 volt dc source.

Step 4:

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This block accepts a 12 inch long (3/8 inch diameter) wood rod as the cross rod.  The block friction fits the end of the Jameco motor.

Step 5:

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My wife molded the frogs from clay (leaving a space for the rod to fit).  She then baked the frogs for about an hour.

Additional frogs were made to be "hanging around" the ride.

Step 6:

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She painted the wood rod while the frogs were baking, then she put a clear finish on the frogs. We glued the frogs to the rod and let them rest over night.

Step 7:

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Put screws in the base to secure the assembly and apply 9 volts to the wires.  Reverse the polarity to the wires if the frogs turn in the wrong direction.

Step 8:

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Now, I have a tall ride to fit in the growing Froggy World park!

Step 9:

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Here's a couple more shots of the ride as it was discovered by local frogs.
Edgar2 years ago
Brings back fun childhood memories... :) Voted!
Gone to my Blog.
MikeTheMaker (author)  Edgar2 years ago
Thank you . . . and thanks for posting on your blog!
You're welcome, keep it up! :)
nwlaurie2 years ago
Love your layout!
MikeTheMaker (author)  nwlaurie2 years ago
Thanks--I'm working on train controls now.
I love this :)
Have you thought about using pneumatics to make the ride go up and down?
MikeTheMaker (author)  gregoryfenton2 years ago
That's a good idea! Maybe I can modify an old pump or something similar . . .
Thinking about it some more, you wouldn't even need the pneumatics.

Just a piece of pipe shaped like a tiara ===|\ so the arm can go up and down it. Hope these images help describe what I mean.

Yellow is the new part required.

You would need to modify the part that attaches to the motor (let's call this part Fred) by making it slightly less wide than the distance from the motor spindle to the edge of the motor so it can rotate freely inside the pipe.

You would also need to mount the crossbeam using a pivot and cutting a channel inside Fred so the crossbeam can move up and down on the pivot.

Still with me?

Here are my 5 minutes in gimp images that hopefully show what I mean
MikeTheMaker (author)  gregoryfenton2 years ago
I see what you're saying . . . that would work :)
azharz2 years ago
Very Nice
azharz2 years ago
Very Nice
J-Five2 years ago
By the what's the speed?
And what would happen if like went 20 times the speed?
MikeTheMaker (author)  J-Five2 years ago
It's 3 revolutions per minute.

Since it's unbalanced (the red and blue frogs are larger), something would quickly come undone at 20 times the speed.

Stay tuned--I may sling some around in swings at a much higher speed :)
Makes sense.
randofo2 years ago
I really like this series of projects.