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President's Challenge Results
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20k’ (altitude) Challenge
- Date: 6/4/11
- Flyer: Mike Caplinger
- Rocket Name: K20K II
- Motor: CTI K300
- Weight: 7 lbs
- Diameter: 54mm
- Length: 49"
- Fins: 3
- Altitude: 21,127 feet
- Speed: Mach 1.57
- Time to Apogee: 32s
- Contruction: Blue tube airframe, plywood fins with tip-to-tip fiberglass
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- Date: 11/7/09
- Flyer: Frank Hermes
- Rocket Name: Hermes 9
- Motor: M750W
- Weight: 33.7 lbs
- Diameter: 4"
- Length: 87.2"
- Fins: 3
- Altitude: 21,380 feet
- Speed: Mach 1.43
- Time to Apogee: 30.61s
- Contruction: Fiberglass tubes and aluminum fin can
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- Date: 11/7/09
- Flyer: Greg Smith
- Rocket Name: EM-SEM-FITY
- Motor: M750W
- Weight: 33.98 lbs
- Diameter: 4"
- Length: 94"
- Fins: 4
- Altitude: 20,212 feet
- Speed: Mach 0.79
- Contruction: Carbon fiber over phenolic
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- Date: 11/7/09
- Flyer: Mark Clauson
- Rocket Name: IIXTREEME
- Motor: M650W
- Weight: 17.0 lbs
- Diameter: 3"
- Length: 73"
- Fins: 3
- Altitude: 22,191 feet
- Speed: Mach 1.55
- All cardboard tubes and carbon fiber/end grain Balsa panel fins
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