Monday, January 31, 2011

challenger disaster OPT

What technical problem caused this accident?
  •  On  January 28, 1986The space shuttle challenger disintegrated in mid air as the whole world watched in horror.  The shuttles external fuel tank had collapsed because of the failure of the two O-rings in the aft joint in the right solid rocket booster releasing all its liquid hydrogen and liquid oxygen propellants. As the chemicals mixed, they ignited to create a giant fireball thousands of feet in the air  
                                                                     O-ring

    What was the big picture problem that set the conditions for this accident?
  • it is thought that the decision to launch in near-freezing temperatures contributed to the failure, making the seal rigid and unable to seal properly.
What implications did this have for the US Space Program? For the nation

  • The Challenger loss shrank America's fleet of shuttles from four to three, and forced important shuttle missions to be put on hold or canceled
  • The accident taught NASA much about the vulnerabilities of the shuttle and how to make space travel safer
  • Congress poured money into NASA to fund its recovery from the catastrophe
  • Challenger accident opened America's eyes to the shuttle's fragility and perils
  • The accident sparked a frenzy of self-improvement efforts at NASA some NASA officials lost there jobs
  • NASA improved the O-rings and designed bail out system for the astronauts

What other challenges have the Space Shuttles encountered?
  • space shuttle Atlantis inquired problems with it,s heat shield
  • space shuttle challenger had problems with it,s O-rings
  • space shuttle Columbia obtained damage during lift off when foam around the external fuel tank creating a whole


                                                                 members of the challenger

Content is King

Q- What is a field/hobby/something you have a passion for (surfing, sailing, robotics, painting, etc.)?
  • fixing up old cars
Q- What person or organization in that field has used blogging to promote their brand?
Q- What is a field you might see yourself blogging about?
  • probably about fixing old cars  it is what my dad love to do and i love it too

Friday, January 28, 2011

LOST AT SEA

  • the activity was if we were lost at sea and we had 15 things we had to organize the from greatest to least value

  •   personal prioritization   number 1 25 liters of water number 2 army rations 3 fishing kit 4 saving mirror 5 the rum 6 plastic sheeting 7 chocolate 8 netting 9 sextant 10 maps 11 shark repel 12 floating sea cushion 13 oil and petroleum 14 small transiting radio 15  15ft of nylon rope i was focusing on to survive


  • team prioritization  1 the water 2 the shaving mirror 3 the army rations 4 the floating cushion  5 the plastic sheet 6 the fishing kit 7 the chocolate 8 the oil 9 the netting 10 the radio 11 netting 12 the rum   13 the rope 14 sextant 15 the maps the team was focused on getting rescued


  • The expert prioritization  comes from the u.s coast guard as you can see we were pretty far off

tennis ball challenge

  • the challenge get the tennis ball to touch all the players in the team before the other team.
  • the criteria was to touch all the people in your team with the ball before the other team did so.  the constraints were everybody in the team had there own ideas and Mr Olson he kept changing the way we had to complete the challenge first was to get everyone in the team to touch it second challenge was to stand two arms length away and get everyone to touch the ball the third with your eyes closed   
  •  our strategy in the end was to keep all our hands in the center much faster
  • we one two out of the three times
  • what we would do the same I think we would keep our ideas the same
  • what we would do differently was to be a lot faster that way we could win the other challenge