Egg drop challenge

            During the course of the week me and Mathew engaged on desinging the best possible solution to the eggdrop challange we manged to come up with a suspensions system that very effectivly transffered the kinetic energy from the egg to the structure it was suspended from it did this so well that it tore the cardboard the picture of this are below.

1.       create sketch 1

2.       create sketch 2

3.       create sketch 3

4.       decision matrix

5.       gernate list

6.       ensure material

7.       fit in printer box

8.       hit butcher paper

9.       inside thrid ring

10.   second ring

11.   first ring

12.   hit bullseye

13.   weights less than 500

14.   weighs less than 300

15.   weighs less than 200

16.   took less than ½ second

17.   less than 2 seconds

18.   didn’t break

19.   didn’t break

20.   didn’t break

21.   model on CAD

22.   arithmetic- you can weigh your beginning model of the material s and subtract it from the weight that you want to see how much weight you have left

23.   Geometry you can measeure the angles from you design to make sure that it is up straight and not leaning to one side.

24.   Algrebra- we got an equation from my math teach that is KE=mass*accerleration of gravity * height and this can be used to find the speed of which you design will fall

25.   Math equation from Mrs. Walker KE=mass*accerleration of gravity * height

26.   Design achievment- first egg to break

27.   Achievment name- maybe next year     

Here are some pictures from the challenge

Khan Academy.....flipping the classroom

I found that thes videos work well with me because he shows you visually how to do it and doesnt overwhelm you with talking it goes at a good pace and is consise.

I dont think I would change to much about the idea of flipping a class room it seems good in therory but so does alot of things.

I think it could work but it has to be gradule and have a control and test class to compare which one does better while having similar students

My bow

I made this bow out of straws coffestirs, twine and labels it fuctions quite well considering the materials and it shoots bolsa wood arrows but the speed it shoots them at is too fast for the arrow because it does not have fins to stableize during flight 

2.1.5 CAD sketches

Planes!

1) Provide a breif description of the activity. Who did you work with? What did you build? What challenges did you overcome to succesfully craft your aircraft? This project was to see who could make the best plane we started from the materials given and used the diagram to assemble it, I worked with Timmy and Justin and we over came the prop mount from scooting back and making the prop hit the frame by recessing it into the frame. we took out the wing mount because it was a weak point and did a direct mount wich was simple and affective and it did alright we could have don alot better but was a decent build!

2) Post a photo of your glider under construction.

3) Post a photo of your finished design.

4) Describe how you tested your aircraft and tuned its flight characteristics.

we didnt have much time for testing seeing that we finished our aircraft the same day of our competition but we threw it from the second story to see how it flew and made corrections for balance using tape.

5) Describe how well your aircraft flew in our competition. Did you win any events (furthest distance, longest time aloft)? Were you competative in our best decorated flier competition? we had the furthest distance the first throw and then everything went down hill from there sadly haha.

6) Pick three steps from the PLTW 12 step design process and describe how your team worked through these during the course of this experience. we brained stormed,modeled and prototyped, and tested and evaluated.