All Propellers articles
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PropellersWhale-fin inspired propeller increases efficiency by up to 15%
Several propeller manufacturers have discovered that adding natural grooves called tubercles to a propeller blade can improve efficiency and reduce noise
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PropellersVolvo Penta launches professional IPS hybrid
Based on its forward facing, counter-rotating propeller drive leg system, the new IPS Hybrid from Volvo Penta promises a highly flexible platform for rugged duty
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PropellersePropulsion releases E100 battery, new Spirit2 outboard
Georgia, US-based ePropulsion Americas came to the Miami International Boat Show (MIBS) with a new compact 48-volt battery system and the latest evolution in its Spirit outboard series, both addressing market needs as well as capacity and fit challenges.
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PropellersDirect to consumer
A new collaboration between a boat builder and a propulsion supplier leverages convenience to bring new families into boating
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PropellersNature-inspired prop improves efficiency
By adding ‘dorsal fin’ grooves to a propeller blade, UK-based CJR Propulsion enable gains of up to 13% efficiency when the prop is part of a flow-aligned package
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PropellersMagnetic bearings to minimise wear
A patented system of magnetic levitation bearings for marine propulsion systems is claimed to reduce the ongoing costs maintenance by up to 70%
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PropellersIEMA calls for exhibitors at Metstrade next-gen showcase
The International Electric Maritime Association (IEMA) has issued a last call for exhibitors for the Next Generation Propulsion showcase at Metstrade 2025
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PropellersNew carbon propeller with clamp-on blades
UK-based Teignbridge Propellers has improved its CoB propeller design by offering an option for carbon fibre blades
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PropellersNew high torque e-motor for displacement boats
The UK-based company Törkmar has launched a new motor specifically designed to spin a large propeller at low speeds for maximum torque.
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PropellersOperational efficiency: The cleanest kilowatt is the one you never use
Ollie Taylor, Future Marine
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PropellersJoool’s rebranded smart electric propulsion system
The Joool electric propulsion system was launched at this years’ La Grande Motte Multihull Show, although the team behind have over 25 years of marine expertise
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PropellersNew dual-fuel methanol tugs also feature graphene paint
The German propulsion OEM Schottel Industries is equipping the world’s first methanol-fuelled tugs with a mechanical hybrid system, and sound-deadening graphene paint
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PropellersFirst Oceanbird wing system retrofit nears completion
The Oceanbird 560 concept provides vessels of all types with the possibility to harness wind propulsion, but with the ability to fold and stow the wing away when not needed
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PropellersHyPNos Project to help reduce underwater noise
Research to explore measures to conserve and protect underwater life may result in quieter and vibration-free drive systems for leisure craft.
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PropellersBionic dolphin skin propeller saves fuel on oil tanker test
The ability to mimic the laminar flow characteristics of dolphin skin on the large four-bladed propeller of a 300,000 tonne crude carrier has saved two per cent of fuel over a 35,000nm test
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