propwash deflection unit

English - English

Definition of propwash deflection unit in English English dictionary

A device that is placed over or behind the propeller of a boat to deflect the vessel's propwash downward. The result is a very effective form of agitation dredging. PDUs are primarily used by salvors to remove mud or sand from shallow water shipwrecks

PDU

Hyphenation

propwash de·flec·tion Unit

Synonyms

deflector, pdu