Volvo Penta overhauls its IPS and DPI

Volvo Penta’s Aquamatic sterndrive combines the benefits of inboard and outboard engine
Volvo Penta’s Aquamatic sterndrive combines the benefits of inboard and outboard engine
Volvo Penta's IPS was initially launched in 2005
Volvo Penta's IPS was initially launched in 2005

Volvo Penta has developed an upgraded Inboard Performance System (IPS) and a new Aquamatic sterndrive (DPI).

The new systems have been designed to allow for a longer service life of the drive with less maintenance.

“Even though the IPS and Aquamatic sterndrive were already superior propulsion systems, at Volvo Penta we listen to our customers and strive to deliver the highest boating standards,” said chief project manager, Petter Andolf. “So in 2019 we have given both the IPS and the sterndrive a thorough revamp.”

The IPS was initially launched in 2005 and there are currently 25,000 systems in the market.

For 2019, Volvo Penta has concentrated on the serviceability, reliability and performance of its IPS.

Additional sensors

Filters and oil can now be accessed easily from inside the hull with the oil needing to be changed every second year.

A new oil exchange concept means boats can stay in the water during the operation. Sensors reading the differential oil pressure over the filters have been added in order to identify clogging of filters quickly and accurately.

A water in oil sensor detects any early water ingress, preventing damages to the transmission.

The propeller shaft seal, input bearing carrier and upper shaft and bearings have also all been redesigned to improve durability. And overall cleanliness has been improved in the manufacturing process by investing in a new clean room assembly line – resulting in prolonged life and reliability for all parts.

Enhanced performance

Volvo Penta’s Aquamatic sterndrive combines the benefits of inboard and outboard engine.

Improvements include a new hydraulic clutch for silent and smooth shifting and slipping at low engine speeds.

“The hydraulic clutch, together with electric steering – now standard for DPI – gives improved joystick docking functionality,” explained DPI engineering project manager Jacob Claesson. “It also enables Dynamic Positioning System to be introduced, which automatically maintains a boat’s heading and position, even during strong currents or windy conditions – ideal when preparing for docking.”

Again, longer service intervals have been introduced with fewer service items and new seals that have been designed for longer life.

Oil and filter change intervals are extended from every year to every two years.

Reliability has also been a key part of the update, with a focus on redesigning and reinforcing components.

Additional sensors have been introduced for improved diagnostics and monitoring of system health. Also overall cleanliness has been improved during manufacturing to ensure extended life and reliability for all parts.

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