The Norwegian hydrogen boat Hyrex will provide a range of up to 50 miles

Hyrex 28 is called it. An electric recreational boat with fuel cells as a range extender – which will provide 20-25 hours of travel at 10 knots.

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Electrification may take great strides in the car industry, but in leisure boats, development has just begun.

The Norwegian company Hyrex, based on Nøtterøy on the west side of the Oslo Fjord, was founded as recently as February 2020 with the goal of developing hydrogen-based propulsion technology for recreational boats.

The first boat will be in the water already this December. Hyrex 28 is an approximately 8.5 meter long electric day cruiser with batteries of 20 kWh and a hydrogen-powered fuel cell system of 30 kW as a range extender. A total of almost 17 kilos of hydrogen is contained in two large tanks of 350 liters each.

– I see an opportunity for Norway to take a leading position in the development of zero-emission technology for recreational boats, in the same way as we have done with the electric ferries, says Henrik Torgersen, one of the founders, to Teknisk Ukeblad who has visited Hyrex.

20-25 hours walking time

The hull is built of carbon fiber composite and can accommodate six people. It is optimized for a speed of 10–11 knots, which means 20–25 hours of walking time with the hydrogen gas contained in the tanks. Translated to range, it will thus be 200-275 nautical miles range or 37-51 miles. Previously, however, the range 180 nautical miles mentioned.

For comparison, the Swedish battery-electric boat Candela C-8 can be mentioned, where the carrier plane gives a range of just over 50 nautical miles, but then at 24 knots.

The fuel cell is of the PEM type and supplied by Cummins, which in 2019 largely bought the Canadian manufacturer Hydrogenics.

Hydrogen stations with Hynion

Together with the Norwegian tank infrastructure company Hynion (which confused until 2019 was called Hydrogenic without s at the end), Hyrex will also build hydrogen stations along the Norwegian coast. The first will be up and running in 2022.

Hyrex believes that five boats per year is a reasonable production rate to begin with.

– Now we will get the demo boat in the water and show it until January. Then we start production and aim to deliver something for the boating season 2022, says Henrik Torgersen to Teknisk Ukeblad.

The price lands at around 3.5 million Norwegian kroner, including VAT.

Specifications Hyrex 28

Length: 28 feet, 8.65 meters

Width: 2.5 meters

Propulsion: Electric motor of 40–60 kW connected to inu drive (sterndrive in English) from Rad Propulsion Systems.

Batteries: 20 kWh

Fuel cell: 30 kW Hyrex

Designfart: 15/20 knop

Marschfart: 11 button

Hydrogen capacity: 2×350 liters at 350 bar (16.88 kilos, 300 kWh)

Charging (of the battery): 3.6 kW AC

Source: Nyteknik – Senaste nytt by

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