Propeller Entanglement

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If there is a sudden slowing or stopping of the engine while motoring it is possible that you have picked up some floating line, hopefully not from your vessel.

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Stern Forces on a Powerboat

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The rudder used with inboard drives or turning the pivot drives with outboards and stern drives can be a big help because it can change the direction of the thrust force at the stern of the boat.

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Boat Batteries

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The source of DC power is usually one or more marine-grade batteries, normally 12 volts each. They are similar to automobile batteries, except sturdier—and of course more expensive.

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Moving Your Stern

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Fighter pilots are familiar with the term VIF-ing. VIF stands for “vectoring in flight.” It means that you can move your plane sideways, up, or down while in flight.

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Rode and Scope

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To hold a sailboat, the anchor must naturally be attached to the vessel. This is accomplished by using “rode,” which is either all chain or a combination of rope (nylon line) and chain.

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