Power catamaran

Whisper-Yachts 50 - The first electric catamaran from a range of powercats from 40 to 60 feet

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Article published on 09/11/2021

By Emmanuel van Deth

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published inn°SP17dec. / jan.

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The success of Silent Yachts is being emulated, and that's surely a good thing! Symphony Marine is entering the electric catamaran market, but with more modest sizes from 40 to 60 feet, whereas the Silent range extends from 55 to 100 feet.

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Guy Marchal, the founder of the Whisper-Yachts brand, asked Berret-Racoupeau Yacht Design to draw this environmentally friendly catamaran with 320 square feet (30 m²) of solar panels (6 kWp), a 200-kWh battery pack and two 100-kW Torqeedo electric motors. The Whisper-Yachts 50 should be able to provide “clean” propulsion at 5/6 knots. It can of course sail faster - up to 18 knots - but at that speed, recharging the batteries is necessary through the generator and/or the shore power. The deck layout does not seem to inhibit the surface area of the solar panels - many areas remain well clear. Inside, the nacelle offers a decent 375 sq ft (35 m²), generously bordered by sliding windows. The manufacturer offers a three or four-cabin version.

Technical specifications:
Builder: Symphony Marine
Hull length: 46’3” (14.10 m)
Beam: 21’8” (6.60 m)
Draft: 28” (0.72 m)
Light displacement: 33,730 lbs (15.3 t)
Drivetrain: 2 x 100 or 120 kW
Generator: 1 or 2 x 25 kW
Fuel: 1 or 2 x 40 US gal (150 l)
Cruising speed: 10 knots
Maximum speed: 18 knots