User:Sang1938/enes100/Airplane: My Work

Airplane Float

Write problem/project Goal
To create an air plane that will glide in air for the longest amount of time.

My First Task
To brainstorm light weight structures to be used and design an airplane.

Summary of actual work over first weekend
My objective this week was to construct an airplane structure.

Week1 Narrative
During this week, I was looking through previous designs and structures of airplane and I found out that most of the airplane design has a winding propelling system. I figured that would be a difficult task because the propeller has to rotate at a velocity that would overcome the force of gravity that would enable it to keep it up in the air. My approach to that problem was to make a glider plane instead. I analyzed the structure of an airplane wing and how it is rounded and higher at one end and flat at the bottom.



According to Bernoulli's Principle the air on top is moving faster, the pressure on top is less. Since the air on the bottom is moving slower, the pressure on under the wing is greater. I started building the same structure for my airplane wings where the top portion of the wing is a little bit higher to have the rounded end at the top and the bottom is flat. I built my airplane with bbq sticks. I formed a rectangle, 12x6 inch in dimension and placed another bbq a little bit of the center to make the top part higher to increase the wind's velocity and decrease pressure on top and increase pressure on the bottom.





After glueing all the components together with the glue gun and glue sticks I wrapped the structure with a saran wrap to increase the surface area so that it would slowly glide down the ground. I tested the wing system by just throwing it in the air, it indeed glided and stayed in the air for about 5 seconds.

My Second Task
I next task for next week is to create a light thin body for my wing so that it will glide smoothly and not glide to randomly positions in the air

Summary of actual work over second weekend
I decided to create another airplane due to problems caused by my first airplane

Week2 Narrative
Over this weekend I decided to make another airplane because due to the previous airplane design, it was too heavy. I only created the wings last time, but after creating the body for it and gluing everything together made the whole plane too heavy and would just drop to the ground when lauched. After analyzing my airplane I believe what made it heavy was the amount of hot glue I used. So for this next airplane design I decided not to use any glue at all. My design consist of cutting slips of holes and just sliding pieces together. I first had to brainstorm which materials to use that are light weight and came up the decision to use styrofoam because it is easy to cut and it is very lightweight. So I then drew out my structure on the foam to be cut, I drew out a 14" X 3" for the body, 3" triangular rear wing, and 25" X 3" inch for the wing span. After drawing out my airplane in the styrofoam, I cut out my design with an exacto knife.



After cutting it out, the endges were a little jagged, so I smoothed out the edges with a sandpaper to have the air flow smoothly. Afterwards, I cut out a 3 inch long slit in the middle of my body to insert the wing and cut a small slit to insert the rear wing.



After assembling all my components I tested out the center of gravity and it was not right where the wing is at, so I decided to put glue two BBQ sticks at the wings to create stability and move the center of mass towards the wings.



My Third task
My next task is the test my airplane and see how long it glides and to improve upon it.

Summary of actual work over third weekend
How is what you did different than what you planned?

Week3 Narrative
Tell a detailed story describing what you did for your team over the weekend.

My Fourth task
''Record what you are planning on doing for the team during the final weekend of project work. ''

Summary of actual work over fourth weekend
How is what you did different than what you planned?

Week4 Narrative
Tell a detailed story describing what you did for your team over the weekend.

Complete Team Page
Fill out the Team Form (should have already copied the form, created the team page, linked to it and started filling it out).