What are the drawbacks of bow thrusters?

[puffcard]

What the guys think about the Volvo Penta IPS drives on a power boat. Now there is a true marvel that makes anyone a better boat handler.

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Originally Posted by Pelagic

I find this a silly question.
A mechanical aid that can de-stress any complicated cross wind maneuver in tight places has any meaningful disadvantages?

It is like arguing that using GPS will make you a less safe navigator.....

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