When a fluid flows through a narrow space, it speeds up due to conservation of mass. In a narrow passage like a strait, this could lead to increased water speed creating stronger currents. If two boats are navigating through this area and are unable to control their speed effectively, the increased water speed could propel them towards each other, increasing the risk of a collision.
Narrow boats.
Narrow boats were designed to fit the narrow canals of Great Britain. There are several places to purchase narrow boats, especially in the UK, including Whilton Marina, Great Haywood Boat Sales Ltd, Apollo Duck Boats Network, onthewater and Canal Boat Trader.
One can find narrow boats for sale online at various websites. One can find narrow boats for sale at websites such as Apollo Duck, Whilton Marina, and Great Haywood Boat Sales.
Narrowness or cost to buy ?
A long narrow racing boat is called a racing shell.
Some small narrow boats are called canoes, others are called kayaks.
It is a canal.
gondola
The narrow, flat bottomed vessels that have been used on the Nile River for centuries are a type of long boat. The boats needed either oars or a long pole to get through the water. The boats were made of papyrus reeds or wood.
Some small narrow boats are called canoes, others are called kayaks.
A 21 foot boat refers to the length of the boat. There is not comparison between length and width. It could be narrow as on narrow boats or wide as in sea faring boats,