Week 9 Wednesday

Today was a super testing day so we could not work on anything.

Comments

Post a Comment

Popular posts from this blog

Cut List

Full List 1) 2x6 8' count: 2                                             $6-10 each 2) 2x4 6' count: 1                                             $3 3) fence post 70" count: 1                                $4 4) 1.5" diameter dowel 12" count: 2                $6 5) 5" diameter cart wheel count: 4 6) pillows count: 2 7) rope 8) winch 9) deck screws total                                                                  $19-23 Cut List 1) 2x6 48" count: 2 2) 2x6 30"...
Read more

Week 13 Monday

On Friday of last week Joe came in after another AP test when he should have been in 3rd period. However 3rd period is a disappointing waste of a class so Joe had no problem with coming to engineering  instead. Joe was able to make a sling and he prepared the catapult for testing. The catapult performed very well. Even without maximum cranking of the handles the ball flew very far. Even though the project is considered late at this point we consider this a success due to this being the first functioning torsion catapult at South.
Read more

Week 14 Thursday

Image
Today the rope ended up snapping and breaking on us as of right now the catapult is out of commission until we retrieve more rope. we added more wood support beams 4 X 4 across bottom of the cross bar and two 2 X 6 X 18 on the outside of catapult so that the wood did not snap on us again. i added eye hooks on back 2 X 6 board as our release mechanism. we also added three more 2 X 4 on top of post so the arm stopped earlier and launched the object in to the air. 
Read more