Instructables, tutos divers. Informations sur la création de bulles de savon géantes. Mini Staple Sailplane. This instructable, inspired by the proliferation of micro-sized paper airplanes, contains instructions for building a miniature sailplane out of paper and a staple.
It has a fuselage measuring 40 millimeters, a wingspan of 60 millimeters, and a height of 7 millimeters. Despite its small size, it has surprisingly good aerodynamics, which is due to the fact that it shares similar dimensions and attributes with full-size sailplanes. This includes: - High aspect-ratio (long and thin) wings for increased lift with less induced drag - Slender and streamlined fuselage for less drag - T-tail empennage/stabilizers for effective pitch and yaw stability - Dihedral for roll stability Due to these attributes, this small glider can glide for substantial distances, perform tight aerobatics, and even gain some altitude on thermals created from heaters.
Much effort, time, and prototyping has been done on this design to ensure that it is easy to build, easy to trim, and flies well. Member: Howtoons. How to make a 'Howler' Building Machines From Paperclips. Several months ago I awoke one morning with an idea for a project.
I had gone to bed thinking about a presentation I am going to make to a group of middle and high school technology teachers in a couple of months. I wanted to come up with a simple and inexpensive projects they could use to teach their students some aspect of technology and hopefully inspire their creativity. During the night I dreamed of making machines out of paperclips and this project was born. As for the cost of this project - the wood and paperclips cost me 37 cents. I already had several projects I was working on at the time so I thought about the idea for a couple of months before I actually sat down with a box of paperclips and started trying to make a machine.
For educators this project is a great way to teach students the physics of mechanical machines including cranks, levers, fulcrum points, rotary and linear motion all while stirring their curiosity and developing their mechanical aptitude. Biochemtronics. Jeu de la planche à clous , Jeu d'anniversaire. And other silly things. Yesterday I went to a two-year-old's birthday party.
There were five little boys there all under the age of 5 and lucky for us adults we get along as well as the kids do. It was a remarkably enjoyable afternoon. I brought one of these fabric balls as a gift and quickly realized that it is not only a hit at our house but across the board- from the 1.5 year old to the older boys balls are hands down the favorite toy. This one is soft but still very playable so it can be kicked and thrown without too much concern about the whole house coming down around an active indoor afternoon of playing.
Below you'll find all the info about how to make your own! What you'll need: printed pattern piece (below) 4-12 different scraps of fabric (preferably decor weight**) sewing machine iron stuffing (preferably cotton or wool)needle and thread seam allowance: 1/2" my samples: large ball: about 7" across (the pattern piece 5" across at the widest point and 3" on side) small ball: about 5" across.