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Alexander Graham Bell is well-known as the inventor of the telephone, but few people realize he also invented an early form of airplane! Well, not quite. It wasn't a plane -- a flat wing -- but a tetrahedron, a pyramid-like* structure with four sides. (Count 'em. The sides are shaped like triangles, but there's four triangles, not three!)
In 1907, five years after the Wright Brothers got their airplane airborne, Bell's tetrahedron kite, Cygnet II, flew to a height of 168 feet for 7 minutes with one passenger aboard. It was made of nearly 4,000 individual pyramid cells! It also had to be towed by a steamboat on a line, the way adventuresome waterskiiers can use a kite to get airborne today.
You don't need 4,000 cells to make a pyramid fly. You don't even need a sphinx. All you need is some paper or mylar, a few plastic drinking straws, glue and string.
*NOTE: I've noticed a lot of visitors to this page are Googling for "how to make a pyramid." Technically, tetrahedrons like my kite aren't really pyramids, because the bottom of an Egyptian or Mexican pyramid is a square and not another triangle. If you change my instructions at step #2 to wind up with four straws connected at the peak instead of three, making four triangles for the sides instead of three, you'll wind up with a pyramid. I'm not sure it would work as a kite, but it could work as a skeleton for school projects. To make it taller, shorten the straws that form the square on the bottom. To cover the sides, here's a stone wall texture you can load into a graphics program, copy and paste to fill a full sheet of paper, and print out.
Amazon Price: $4.95 (as of 05/17/2008)
Amazon Price: (as of 05/17/2008)
Amazon Price: (as of 05/17/2008)


Paulie Berard of Rhode Island shows some school kids how to make their own kites. From the PBS Curious George show in 2006.
Runtime: 1:28
5190 views
1 Comments:
Found any great books on making kites? Add them to the list, then vote on them!
Beautifully illustrated book about two young Chine more...0 points
Know any great websites on kites? Post the links and a brief description here, or vote on the best!
During the second world war, some naval antiaircraft gunners were trained using steerable 2 line kites that flew like modern stunt kites with two cont...2 points
The Guide To Kite Making And Flying: Different Kinds Of Kites; Kite Tools, Materials, Methods, Accessories; How Kites Fly; Your Own Style Of Kite; ....0 points
For over 15 years the Big Wind Kite Factory has been giving kite making classes for the children on the island of Moloka'i in Hawai'i. ...0 points
Kite making time begins with March, or used to when the writer was a boy, in Cincinnati. Even the blustering March wind must be weaker in the Ohio R...0 points
Great blog post on how to make many kinds of kites.0 points
Gary Mark teaches children how to make their own sled kite. Featuring the Koch Family of Toronto.
Runtime: 4:44
886 views
2 Comments:
Like this lens? Got some kite-tips to share? Leave comments here!
| ArtByLinda
Okay, I'm a fan. This really is a fantastic site on kites. I love the video's with the children. I think you put a lot of hard work into sharing your passion with the world! 5 stars and a lensroll to my All About Kites Posted May 12, 2008 |
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kellywissink
Thanks for a great idea! We added your lens to our new Homeschooling and Beyond lens. 5 Stars! Posted April 28, 2008 |
| poddys
Yet another 5 ***** rating from me for a great lens. I would love to build one of these, they are so much fun. Posted April 18, 2008 |
| Rock_The_Ice
In response to your forum thread... Now it's had 5 ratings! =P Posted April 18, 2008 |
| Stephene
i like your lense very much.. i hv bookmarked this lense and joined your fan club.. (^o^) Posted March 16, 2008 |