MODEL POWER BOATS

The video discusses the popularity of model powerboats, highlighting their speed and the excitement of radio-controlled racing. It introduces world and English champions, John Stidwell and Jim Fagan, and describes the serious preparation involved in racing. The mini engines, averaging 6cc, use a methanol, nitromethane, and castor oil mixture, allowing boats to reach speeds of 200 mph. Races last 20 minutes over a quarter-mile course, with the most laps determining the winner. Transmitters on different frequencies prevent interference, allowing multiple boats to race simultaneously. Safety features include plastic foam-filled hulls to prevent sinking and lifeboats for emergencies.

What is one reason for the popularity of radio-controlled model powerboats in the country?

• The love of the sea and fear of seasickness

• The affordability of model powerboats

• The ease of building model powerboats

• The availability of large water bodies

What is the average engine size of the model powerboats discussed?

• 4cc

• 5cc

• 6cc

• 7cc

Which of the following is NOT part of the fuel mixture used in these model powerboats?

• Petrol

• Castor oil

• Methanol

• Nitromethane

How long do the model powerboat races typically last?

• 10 minutes

• 25 minutes

• 15 minutes

• 20 minutes

What feature makes the hulls of these model powerboats unsinkable?

• Plastic foam filling

• Metal reinforcement

• Inflatable design

• Waterproof coating