ropeller produces the lowest resistance.\\
**zero thrust position**\\
blade position at which the rotating... with the ship speed at zero does not produce any thrust.\\
defined blade position... t zero ship speed. It is the sum of the propeller thrust and the interaction force on the hull.
===== Boss... een the power //P//<sub>T</sub>, developed by the thrust of the propeller and the power //P//<sub>D</sub>
en time that is effective power P<sub>E</sub> and thrust power P<sub>T</sub> respective.\\ <m>eta_H = P_E/... stance, //V// the ship speed, //T// the propeller thrust and V<sub>A</sub> the speed of advance; //t// is the thrust deduction fraction; //w// and //w//F are the wake... een the power //P//<sub>T</sub>, developed by the thrust of the propeller and the power //P//<sub>D</sub>
tream of fluid by any hydrofoil producing lift or thrust.
===== Downwash or Induced angle =====
(<sup>α</s... The motion is sustained by energy drawn from the thrust.
===== Positional motion stability =====
See: [[m... ation in the slip-stream and to produce a forward thrust on the rudder.
* **Flap**: A control device in ... The motion of a ship resulting from the propeller thrust, drag forces, hydrodynamic side forces on rudder
The motion is sustained by energy drawn from the thrust.
===== Pounding =====
Described broadly as impact... in the ship, usually the centre of gravity.
===== Thrust in waves, mean increase in =====
The mean increase in thrust, as compared with that in smooth water, necessary