19 votes

A high-tech ferry in Sweden could soon set a new standard – Candela says its hydrofoil technology reduces the energy per passenger-kilometer by 95%

Posted by mycketforvirrad
Tags: sweden.stockholm, maritime, ships, ferries.hydrofoil, technology, efficiency, archipelagos, transport.public, candela.p 12, cities.capital, speed limits, videos, author.david keyton, source.associated press
https://apnews.com/article/sweden-stockholm-electric-ferry-b7d6fd1e974c6fa129bb9f0fbfd899e9

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Title
A Swedish hydrofoil ferry seeks to electrify the waterways
Published
Nov 17 2023
Word count
804 words

3 comments

  1. [2]
    scroll_lock
    Link
    35 mph isn't exactly "high-speed," but it's certainly fast for a ferry. The average speed of car traffic at busy commuting times in Stockholm seems to be around 20 mph. A time save of 55% from...

    35 mph isn't exactly "high-speed," but it's certainly fast for a ferry. The average speed of car traffic at busy commuting times in Stockholm seems to be around 20 mph. A time save of 55% from existing ferries is pretty huge, especially if it's as inexpensive as the company claims.

    My main question would be capacity: the boat shown in the video carries only 30 passengers, which is about the same as a conventional road bus. Could this be scaled up to support the capacity of something like the Staten Island Ferry, which carries almost 4500 passengers?

    4 votes
    1. nukeman
      Link Parent
      Hydrofoils in general can be scaled up, the Boeing (yes, the aircraft company) Jetfoil can apparently accommodate up to 350 passengers. Now, I’m not sure the batteries can scale up yet. I’d be...

      Hydrofoils in general can be scaled up, the Boeing (yes, the aircraft company) Jetfoil can apparently accommodate up to 350 passengers. Now, I’m not sure the batteries can scale up yet. I’d be concerned about seaworthiness. But you could certainly make a version running on integrated electric propulsion, with a highly efficient turbine.

      4 votes