Day 6

Modifications:

• Changed launching direction (launch from NE to SW). Wind in favor.
• Made certain of proper alignment of track.
  

Test 1

• Balloon Weight: 166 g
  
• Distance: 14.58 m
  

Test 2

• Balloon Weight: 134 g
• CW Prop Angle: 165 +- 5
  
• Distance: 24.72 m (drop in height from building not accounted for)
  
• Height of Building: 7.27 m
• Went over railing. Rick owes us a pop!
  

Test 3

• Balloon Weight: 264 g
• CW Prop Angle: 180 +- 5
  
• Distance: Traveled straight up and backwards over rail.
• Sling ring disconnected
  

Test 4

• Reset Ring
  
• Balloon Weight: 143 g
  
• CW Prop Angle: 155 +- 5
  
• Distance: -3.5 ft
• Slipped out of sling
  

Test 5

• Balloon Weight: 143 g
  
• CW Prop Angle: 155 +- 5
  
• Distance: -
• Sling disconnected (untied)
  

Test 6

• Sling reconnected
  
• Balloon Weight: 143 g
  
• CW Prop Angle: 155 +- 5
  
• Distance: 7.46 m
  
• Veered left
• Balloon didn't pop
  

Test 7

• Reset track
• Rick Launched
  
• Balloon Weight: 155 g
  
• CW Prop Angle: 160
  
• Distance: 28.42 m (drop in height from building not accounted for)
  
• Height of Building: 7.27 m
• Balloon didn't pop

Conclusion:

• Propping the counter weight greatly increases the throwing distance.
  

What to try for next time:

• Change throwing arm (more durable) to add more weight
• Glue strings' knots.