Porthole - Wikipedia
The porthole is primarily a circular glass disk, known as a portlight, encased in a metal frame that is bolted securely into the side of a ship's hull. Sometimes the glass disk of a porthole is encased in a separate frame which is hinged onto the base frame so that it can be opened and closed.
Ship Portholes: A General Overview - Marine Insight
2022年2月10日 · A ship’s porthole measures around two feet in diameter, while its weight can go up to around 100 pounds. Ship portholes are generally because of the durability factor. They offer resistance not only from sunlight but also from sea and rainwater.
Ship Portholes 101: The Complete History - Ellie's Travel Tips
From wooden ships to modern vessels, portholes have been silent witnesses to the evolution of seafaring. Join us as we navigate through their intriguing past, uncovering stories and transformations that shaped their existence. Why are they called portholes? What are the different types of portholes?
What is a Porthole on a Boat? (Types, Functions and More)
2023年10月3日 · Also known as side scuttles, portholes are small, circular windows on the sides of a vessel’s hull. You can’t get more generic than that. However, once we dive a little deeper, we inevitably uncover some interesting facts about portholes.
Scuttle vs. Porthole — What’s the Difference?
2024年4月1日 · A scuttle is an opening for passing objects or ventilation, while a porthole is a window on a ship or aircraft.
What is a Porthole on a Boat? - Boat Supply
2021年6月1日 · What are Ship Portholes. A ship’s windows are called portholes, rounded windows that give you visibility outside of the boat. These windows are also sometimes referred to as “port-hole windows” or “side scuttles” if they are located on both sides of the ship.
What are Marine Windows: 4 Quick Tips to Know Comprehensively
2023年12月15日 · Marine windows, often known as ship windows or portholes, are critical components of marine vessel design and functionality. These windows, being an important component of ship architecture, provide crucial functions such …