Sailor Speak of the Week – Kort Nozzle

Definition

Noun

  • (AKA ducted propeller) A cylindrical fitting around the propeller.

Origin

Early 20th century. Named after German engineer, Ludwig Kort.

Comments

Provides more efficient and powerful thrust for a vessel moving under ~10 knots. Thus, it’s useful for tug boats, fishing trawlers, or vessels that need good maneuverability at low speeds. The shape and design of the nozzle itself also has effects of maneuverability.

References

Rogers, J.G. (1985). Origins of Sea Terms. Mystic, CT: Mystic Seaport Museum.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s