Introduction: 10 Cell Tetrahedral Kite

Picture of 10 Cell Tetrahedral Kite

This is a 10 cell tetrahedral kite, based on the bendy straw design by emilyfis.  https://www.instructables.com/member/emilyfis/

Materials: (Most can usually be purchased at a dollar store)

Bendy Straws
Straight Straws
Packing Tape
Scotch Tape
4" mini zip ties
Mylar wrapping paper. 
Yogourt container lid

Step 1: Straws

Picture of Straws

Connect 3 bendy straws to make a triangle. Tape is not needed. Build 20 triangles.

Step 2: Make Basic Cell

Picture of Make Basic Cell

Tape 2 triangles together with scotch tape at about 80 degrees to make a cell. Make 10 cells.

Step 3: Skin Cell

Picture of Skin Cell

Tape the cell to Mylar wrapping paper with packing tape. Do not cover the corners of the  triangles with tape or joining them together will be difficult. Cut off excess paper.  Do this with each of the 10 cells.

For the sake of clarity, the kite is constructed from 3 cell layers, each a different color. 

Step 4: Bottom Row

Picture of Bottom Row

Join 3 cells together with zip ties.

Step 5: Middle Row

Picture of Middle Row

Zip tie 4 cells to the bottom 3.

Step 6: Top Row

Picture of Top Row

Zip tie the top 3 cells to the middle 4.

Step 7: Braces

Picture of Braces

To keep the kite as light as possible, straight straws are used as bracing, instead of wooden dowels. Tape the straight straws together to build 3 braces. Zip tie the braces to the back of the kite.

Step 8: Bridle

Picture of Bridle

Tie a bridle loop from the top to the bottom of the first cell. Optionally  for greater control, the bridle can go from the top of the first cell to the bottom of the last.

Use a paper punch to make a hole in the lid of  a yogourt container and cut a circle around it to make a soft plastic washer. This washer will let you quickly adjust how the kite flies. Thread the bridle through the washer and attach with a simple loop. Tie your kite string to the washer.

General Rules:

To make the kite more stable, slide the washer up. To make the kite catch more wind, slide the washer down.


Comments

Kiteman (author)2012-04-14

I like the bridle-adjuster.

This must look amazing on a sunny day, or flown over a well-lit area at night.

(This is also a cool kite to make with a whole bunch of kids - each one makes a cell, and you fasten them all together. Even better, if you have more than 10 kids, you just make a bigger kite. Be aware, though, that tetras have more lift than you'd expect, so be safe.)

Mr. Matt (author)Kiteman2012-09-07

Great idea for the kids project. I'll get right on it and see how well they work together.

tizart7 (author)2012-04-15

real nice work !!!

rimar2000 (author)2012-04-14

10 cells? I counted only 9.

Unless you count the whole set as one cell.

Anyway, nice kite!

yapoyo (author)rimar20002012-04-15

there's one hidden that u cant see....

rimar2000 (author)yapoyo2012-04-15

Oh, yes! Now I see it. Thank you, I lost another chance to remain silent.

remywithsharks (author)2012-04-15

Brilliant!

TheScienceMan (author)2012-04-14

Cool, good
idea.

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