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Volvo penta's Inboard Performance System turns the out-drive around, which allows the prop to pull the boat through the water. Stated benefits include
Do you think this type of "pull" propulsion technology will make it's way to the ski boat industry? Theoretically, it is possible with a mid-engine configuration although there would be added weight due to the addition of a "v-drive" that would turn the shaft direction toward the front of the boat.
Built with revolutionary new technology, the IPS 400 engine offers dramatic improvements in fuel economy, handling, acceleration, comfort, emissions and boat space when compared to conventional inboard shaft configurations.