Model Boats

Level: 2


  1. Do two of the following:
    1. Purchase and build one kit for a sailboat 10- to 15- inches (25 cm to 40 cm) long and about four- to five-inches wide and operate the boat on the water for at least two minutes.
    2. Build a model boat with an electric motor from your own plans or from a kit size 10- to 18-inches (25 cm to 45 cm) and operate the boat for three to five minutes.
    3. Build a model boat 18 to 30 inches (45 cm to 80 cm) long from your own plans or from a kit. Install a small bore internal combustion engine .029 or .049 and operate for at least two successful runs of three to five minutes each. Record in writing the operating characteristics of the model and state what you did to improve its performance.
  2. Identify and define these words.
    1. Displacement
    2. Center of gravity
    3. Propeller pitch
    4. Thrust and lift
    5. Mono hull
    6. Hydro
    7. Bow
    8. Keel
    9. Transom
    10. Cavitation
    11. Heeling
    12. Planing
    13. Drag

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