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Paper Airplane Design and Flight Distance.
Materials
Standard A4 printer paper (20 sheets)
Measuring tape (30m)
Gym or hallway with minimal wind
Masking tape (for launch line)
Protractor
Pencil and data sheet
Procedure
1. Fold 5 identical planes of each design: classic dart, glider (wide wings), delta wing, canard (front-weighted).
2. Mark a launch line with masking tape.
3. Each plane is thrown by the same person with a consistent overhand throw.
4. Measure straight-line distance from launch line to landing point.
5. Throw each plane 3 times and record all distances.
6. Calculate average distance per design.
Observations
Classic dart: avg 12.4m (range 10.1-14.8m). Glider: avg 8.7m (range 5.2-11.3m) — most variable. Delta wing: avg 14.1m (range 12.8-15.6m) — most consistent. Canard: avg 10.2m (range 8.4-12.1m). The glider had the longest individual throw (11.3m) when it caught a slight air current, but also the shortest (5.2m) when it nose-dived. Delta wing had the tightest grouping.
Notes
Expected the dart to win on distance. The delta wing's consistency and slight distance advantage were a surprise. The glider's high variance makes it unreliable. Throwing consistency is the biggest confounding variable — would be improved with a mechanical launcher.