Como fazer um BARCO A VAPOR | barquinho pop pop [EXPERIÊNCIA]

Summary

This video provides a step-by-step guide on how to build a steam-powered 'Pop Pop' boat using everyday materials like an aluminum can, straws, epoxy glue, and candles. The host carefully explains the process of cutting, shaping, and assembling the materials, while highlighting key construction details. Once completed, the boat is tested in water, where it moves forward thanks to the heat from the candle transforming water into steam, which powers the boat. The video also explains the science behind the boat's movement, making it both an engaging DIY project and a fun science experiment.

Takeaways

• 🔧 The video shows how to build a steam-powered toy boat (Pop-Pop boat) using simple materials like an aluminum can, styrofoam, and straws.
• 🍴 Materials needed include an aluminum can, styrofoam tray, flexible straws, birthday candles, epoxy glue (Araldite), hot glue gun, and basic tools such as scissors and a utility knife.
• ✂️ The first step is to cut and flatten the aluminum can, shaping it into a sheet for the boat's body.
• 📏 After shaping the aluminum, creases are made using a wooden ruler to ensure the boat’s folds are precise.
• 🎨 A printed template (provided in the video description) is used to cut the aluminum accurately and follow the boat's structure.
• 🛠️ Epoxy glue is applied to secure different parts of the boat, especially where the aluminum pieces meet to ensure an airtight seal.
• 💡 The boat’s propulsion system involves straws filled with water, which are heated by birthday candles placed under the aluminum sheet.
• 🔥 When the water inside the straws turns to steam, it creates a small jet of water, pushing the boat forward.
• 🛥️ As the steam cools, water is sucked back into the boat, creating a cyclical process that keeps the boat moving forward.
• 🎥 The video ends with the creator testing the boat in water, explaining the physics behind the movement, and showing similar steam-powered boats at a park.

Q & A

What is the main objective of the video tutorial?

The video tutorial aims to show how to build a simple steam-powered toy boat, called the 'Pop Pop Boat,' using common household materials.

What are the primary materials needed to build the 'Pop Pop Boat'?

The materials include an aluminum can, a piece of styrofoam (from a food tray), two bendable straws, birthday candles, epoxy glue, and a hot glue gun.

Why is it important to keep the aluminum can intact without removing the label?

The label is left intact because removing it can slightly dent or damage the can, which must remain in perfect condition to ensure the boat functions properly.

What is the role of epoxy glue in the boat construction?

Epoxy glue is used to bond the aluminum parts together securely and to ensure that no air leaks from between the plates of the aluminum, which is crucial for the steam propulsion mechanism to work properly.

What is the process for preparing the aluminum can for the boat?

The aluminum can is cut open, first by making an incision with a utility knife, then using scissors to cut along the front, top, and bottom to create a flat aluminum sheet.

How does the boat use steam to propel itself forward?

The birthday candle heats water inside the aluminum tubes, converting it to steam. The steam pushes water out of the straws, creating a jet effect that propels the boat forward. As the steam cools and condenses back into water, atmospheric pressure draws more water back into the tubes, repeating the cycle.

Why doesn’t the boat move backward when water flows back into the straws?

When water is drawn back into the boat, it doesn’t create a significant backward movement because the inflow of water and the boat's motion cancel each other out. This allows the boat to continue moving forward with each steam pulse.

What is the significance of testing the aluminum for air leaks?

Testing for air leaks is essential because any air escaping from the aluminum plates would prevent the steam from building enough pressure to propel the boat forward. Ensuring no leaks guarantees efficient steam propulsion.

What tools are used for shaping and cutting the aluminum for the boat?

The tools used include a utility knife, scissors, tape, a lighter, a ruler or a wooden board for making precise folds, and a hot glue gun for securing parts.

What is the final step before placing the boat in the water for testing?

The final step involves filling the straws with water and ensuring they are sealed tightly to prevent air from escaping. The boat is then placed in water, and the candle is lit to begin the steam propulsion process.