Судомоделирование

Материал из Клуб Слідопитів

Содержание 1 Do two of the following: 1.1 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. 1.2 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. 1.3 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. 2.1 Displacement 2.2 Center of gravity 2.3 Propeller pitch 2.4 Thrust and lift 2.5 Mono hull 2.6 Hydro 2.7 Bow 2.8 Keel 2.9 Transom 2.10 Cavitation 2.11 Heeling 2.12 Planing 2.13 Drag

Do two of the following:

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.

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.

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.

Identify and define these words.

Displacement

Center of gravity

Propeller pitch

Thrust and lift

Mono hull

Hydro

Bow

Keel

Transom

Cavitation

Heeling

Planing

Drag