March 2, 2017 (Thursday, Week 4)

Agenda: 

• Announcement: If anyone has photos from the first four weeks, email them to ajk2@princeton.edu 
• Shop Updates
• Readings

Bottom End

• Cleaned case with orange oil
• Found bearing that needs replacing
  • Ball bearings— give rotation without much friction

Clutch

• Finding parts
• Oil line from top end to oil reservoir needs repairing
• Reservoir is ready for powder coating (found old cap)

Electrical

• Researched parts, bought new headlights, tail lamp on Ebay

Fasteners

• Remeasured and input coordinates of holes in engine cover for printing gaskets
• Work with bottom end group to find out if we need new seals for the engine

Forks

• Sandblasted
• Cleaned out threads

Frame

• Worked on disassembling second rear strut
• Need to replace rubber
• Need to sandblast 

Top End

• Need to make two new valve covers
  • Going to 3d scan, print prototypes
• Need to design and cut gaskets
• Next week-going to bore the barrel

Wheels

• Cleaning (used wire brush and drummel)

Demo- Ping Pong Rocket

• Electrolysis of Water
• Increase in temperature —> increase in pressure —> ping bong ball shoots up

Demo-Ford Engine replica

Readings

• Zen, Chapter 9
  • Motorcycle references
    • Spark plug gap
      • Spark must be blue
    • Discussion of electrical system
    • Using horn to test battery
    • Engine misfire
      • could be intake problem: loud bang (intake valve hasn’t closed)
      • engine could be running too rich: flames (unburned fuel out exhaust)
  • Discussion of scientific method
    • Inductive vs Deductive reasoning
    • Likens the scientific method to a bulldozer— takes a long time, but its reliable
    • Very organized explanation. The way he explains- similar to how Phaedrus would have thought
    • scientific method gives him confidence
    • Contrast between romantic and classical thinking— author favors classical
    • Nature can mislead you, but the scientific method can be a guide 
    • Shows the purpose of the scientific method— its not just procedural
    • Even with all the logic of reasoning, nature is still unreliable— demonstrated in the final moment with the near miss
• Shop Class, Chapter 3
  • Motorcycle references
    • Idiot light
    • Kick-starting motorcycle- long process
    • Manual oil pump on older motorcycles- depended on the rider to remember 
    • “Betty Crocker Cruiser”
      • “accessorizing” modern cycles— we aren’t making real choices
        • author takes a condescending tone
      • Idea of Betty Crocker— can be a good first step, builds confidence
  • Content 
    • “Betty Crocker Cruiser”
      • “accessorizing” modern cycles— we aren’t making real choices
        • author takes a condescending tone
      • Idea of Betty Crocker— can be a good first step, builds confidence
    • Freedomism
    • Agency and Independence