Volvo Duo Prop Type F has been designed for use with the DPS Drive.  This drive can also be used with Type D duo props from Volvo Penta.  The two duo prop systems are similar in several respects; for example, both can be used with gasoline engines and with diesel engines.  However, there are some [...]

Many boat propeller systems have blades made out of either aluminum or stainless steel.  There are also more options available that may be more appropriate for some propulsion systems.  Volvo Duo Prop Type G is made of Nibral, a term which refers to an alloy of nickel, aluminum, and bronze.  Bronze is an alloy in [...]

Volvo Duo Prop Type E have been specially designed and engineered to be able to work well with the DPX drive.  This drive produces high speeds and makes substantial demands on any propeller system paired with it, but Volvo Duo Props Type E are up to the challenge.  They can withstand speeds as high as 75 [...]

Volvo Penta Duo Props Type D are made of aluminum, a lightweight and corrosion-resistant metal that helps engines achieve high fuel efficiency due to decreased weight for the propellers.  Volvo Duo Props Type D can be used with engines that run on either gasoline or diesel fuel and are specifically intended for use with the DP-S [...]

Volvo Penta Duo Props Type C work with drives numbered both DP280 and CP290.  All Type C Penta duo props are fashioned from stainless steel, which as experienced boaters know, has several significant advantages.  Stainless steel is resistant to corrosion, meaning that rust issues will be reduced.  In addition, stainless steel is a strong metal [...]

Volvo Penta Duo Props Type B are made of aluminum.  Like all duo props, they feature two sets of rotating propeller blades rather than one set.  Each set of propellers rotates in a different direction from the other: if one is rotating clockwise, for example, the other will rotate in a counter-clockwise direction.  This design [...]

Obtaining an ideal match of propeller and motor involves far more than simply making sure that you have the correct diameter and pitch figures.  Propellers are far more complex than two specifications can capture, and they are one of the most vital components to any motorized watercraft.  After all, the propeller largely determines whether the [...]

Cavitation is an issue that many users of outboard propellers do not fully understand.  They may be familiar with the effects of cavitation, of course, without being cognizant of the nature of this phenomenon or the variety of factors that can contribute to it. What is Cavitation? Cavitation happens when water vaporizes due to an [...]

Pitch is becoming an increasingly familiar term to boating enthusiasts interested in purchasing aftermarket outboard propellers for their watercraft.  Usually defined as the distance a propeller will move through a soft medium such a balsa wood after one full turn of the blades, pitch is an idealized figure that is rarely seen in actual use [...]

Even an absolute newcomer to the sport of pleasure boating begins with a basic understanding of engine exhaust, but it may come as a surprise to some that outboard boat props actually have several ways of releasing or venting the exhaust produced by the motor.  One of the most common arrangements is through “hub exhaust.”  [...]