Sven Yrvind

Hi My name is Sven Yrvind. I design, build and cruise small boats. 1962 I left Sweden in 15 feet converted Blekingseka. I soon found out that there was room for improvement. To understand the basic I began to study mathematics and engenering. 1968 I sailed to England via many contries in a converted 13 feet rowing boat. People told me I be more happy on a bigger boat. November that year I found a …

Piriápolis, Uruguay· Sep 2026

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Four Sheets of Divinycell for the Hull Sides – I Think That's Enough.Sven Yrvind scarfs Divinycell foam hull-side panels in place, confirming four sheets are sufficient.Oct 13, 2026

PublishedOct 13, 2026

Duration4:27

Views5K

Nervously Cutting the Divinycell Sheets.Sven Yrvind uses epoxy and scarf joints to shape flexible Divinycell foam panels for a boat bow.Oct 12, 2026

PublishedOct 12, 2026

Duration4:16

Views4K

Trying to Get the Sheerline Right.Sven Yrvind raises the sheer line by 25 centimeters to increase hull depth and improve vessel stability.Oct 11, 2026

PublishedOct 11, 2026

Duration7:06

Views4K

More molds up.Sven Yrvind installs staggered hull molds to maintain structural alignment during the boat building process.Oct 10, 2026

PublishedOct 10, 2026

Duration2:08

Views4K

The First Molds Are Up.Sven Yrvind installs hull frames for a new boat using 30 mm Divinycell core material.Oct 9, 2026

PublishedOct 9, 2026

Duration3:51

Views4K

Bending the Bottom a Bit.Sven Yrvind uses the 3-4-5 Egyptian triangle method to square the hull frames during boat construction.Oct 8, 2026

PublishedOct 8, 2026

Duration8:32

Views4K

NM Epoxy and Mold Base.Sven Yrvind modifies his boat hull by stretching the midsection between frames 15, 21, and 27.Oct 7, 2026

PublishedOct 7, 2026

Duration9:57

Views4K

Two 5 8 meter aluminum profiles for the mold base.Sven Yrvind maneuvers two 5.8-meter aluminum profiles into his workshop to begin a new carbon-fiber hull mold.Oct 6, 2026

PublishedOct 6, 2026

Duration3:26

Views3K

Sails on the 1/5 model.Yrvind scales up to 9 square meters of sail across three rigs on his new boat's 1/5 model.Oct 5, 2026

PublishedOct 5, 2026

Duration2:26

Views5K

All the Molds Done.Sven Yrvind completes the molds for a new 5.6-meter boat while refining his signature ventilation system design.Oct 4, 2026

PublishedOct 4, 2026

Duration6:14

Views6K

A Farewell to the Naysayers and Doomsayers.Sven Yrvind dismisses three weeks of criticism and commits to sailing the Southern Ocean in a boat under 20 feet.Oct 3, 2026

PublishedOct 3, 2026

Duration2:54

Views12K

First Molds – Divinycell Is Cheaper in the Long Run.Sven Yrvind uses 50 mm Divinycell foam core to build a boat for Southern Ocean conditions.Oct 2, 2026

PublishedOct 2, 2026

Duration4:48

Views4K

New Divinycell – Lessons from an Earlier Boat.Sven Yrvind uses Divinycell foam and plywood to build a 5.6-meter boat based on previous hull designs.Oct 1, 2026

PublishedOct 1, 2026

Duration6:41

Views5K

One Daggerboard, Two Bilgeboards and One Rudder.Sven Yrvind explains the design of his small boat’s daggerboards, bilgeboards, and 50-millimeter bronze rudder axis.Sep 30, 2026

PublishedSep 30, 2026

Duration8:18

Views6K

Starting the Interior – 1/5 Scale Model.Sven Yrvind tests a 1:5 scale model to refine interior ergonomics and verify self-righting stability for ocean passages.Sep 29, 2026

PublishedSep 29, 2026

Duration8:33

Views8K

Why I Added 40 cm.Sven Yrvind extends his boat hull by 40 centimeters to increase interior space and total sail area.Sep 28, 2026

PublishedSep 28, 2026

Duration10:13

Views9K

Molds Started – and a Bit of CAD.Yrvind's hull stretches from 5.2 to 5.6 meters, pushing displacement volume to 900 and wetted area to 13.7 m².Sep 27, 2026

PublishedSep 27, 2026

Duration3:34

Views5K

Shaping the 1/5 Scale Model.Sven Yrvind reinforces the edges of a 1.5-meter scale model hull to ensure structural integrity.Sep 26, 2026

PublishedSep 26, 2026

Duration3:03

Views6K

The Model Is Planked – It Was Easy.Sven Yrvind uses a scale model and Matt Leyden’s Enigma design to test hull planking techniques.Sep 25, 2026

PublishedSep 25, 2026

Duration5:35

Views6K

Here Is the Next Iteration.Sven Yrvind uses Masonite templates to design hull planking for a new boat with a 3.6 beam-to-length ratio.Sep 24, 2026

PublishedSep 24, 2026

Duration5:49

Views8K

3 Compartment Interior Arrangement — Below Deck.Sven Yrvind designs a 5.2-meter sailboat with two internal work bays to eliminate the need for deck access.Sep 23, 2026

PublishedSep 23, 2026

Duration7:41

Views6K

A Dyslexic Yacht Designer.Sven Yrvind audited Gothenburg university math lectures for three years to teach himself naval architecture despite dyslexia.Sep 22, 2026

PublishedSep 22, 2026

Duration16:07

Views7K

Overview – A Clean Slate.Yrvind is building a new high-latitude cruiser with a balanced lug rig for a Southern Ocean voyage.Sep 21, 2026

PublishedSep 21, 2026

Duration6:39

Views7K

Ganbaru in the Southern Ocean.Sven Yrvind rejects Southern Ocean transit in his current boat due to insufficient stern buoyancy and cramped quarters.Sep 20, 2026

PublishedSep 20, 2026

Duration9:25

Views4K

A Hanging Oar – A New Approach.Sven Yrvind tests a two-rope hanging oar mount before a Cape Horn departure from Piriápolis.Sep 19, 2026 · Piriápolis, Uruguay

PublishedSep 19, 2026

Duration4:12

Views23K

LocationPiriápolis, Uruguay

Half Square, Half Circle – Less Weight, Less Draft.Sven Yrvind designs a 23-centimeter draft sailboat with a half-square, half-circle hull for improved stability and accessibility.Sep 18, 2026

PublishedSep 18, 2026

Duration8:18

Views11K

Ventilation – Air Gets In, Water Stays Out – A New Approach.Sven Yrvind designs a self-draining ventilation trap to keep cabin air dry during a full boat capsize.Sep 17, 2026

PublishedSep 17, 2026

Duration12:25

Views7K

Orcas, Storms and Backup – A New Rudder Approach.Yrvind's next boat replaces a conventional rudder with twin angled daggerboards to defeat orca strikes and provide backup steering.Sep 16, 2026

PublishedSep 16, 2026

Duration6:08

Views7K

First Steps on the Budget Boat.Sven Yrvind builds a 1:5 scale model of a 5-meter boat featuring a balanced lug sail.Sep 15, 2026

PublishedSep 15, 2026

Duration3:18

Views8K

Marie Helps Me with CAD.Sven Yrvind begins CAD work on a new foiling Moth design using Rhino, with Marie operating the software.Sep 14, 2026

PublishedSep 14, 2026

Duration3:10

Views6K

Plan B — A Good Thing. Let Me Explain.Sven Yrvind designs a 4.6-meter boat with a dry cabin and specialized ventilation to prevent water ingress.Sep 13, 2026

PublishedSep 13, 2026

Duration9:15

Views14K

Plan B — B as in Budget.Sven Yrvind shifts to a 4.6-meter boat design to reduce weight and costs for Southern Ocean sailing.Sep 12, 2026 · Västervik, Sweden

PublishedSep 12, 2026

Duration4:49

Views32K

LocationVästervik, Sweden

She Floats — Barely.The 5.9 launches with a stern-heavy trim problem on first float test.Sep 11, 2026

PublishedSep 11, 2026

Duration4:30

Views26K

Launch Imminent.Sven Yrvind schedules the launch of his boat for September 11, 2026, at Odden in Västervik.Sep 10, 2026 · Västervik, Sweden

PublishedSep 10, 2026

Duration7:26

Views15K

LocationVästervik, Sweden

The boat is on the trailer.Sven Yrvind secures his boat onto a trailer in Västervik using ratchet straps and locking nuts.Sep 9, 2026 · Västervik, Sweden

PublishedSep 9, 2026

Duration3:06

Views11K

LocationVästervik, Sweden

2 Masts down, ready for the trailer.Sven Yrvind drops both foremasts and boom, securing the boat for trailer launch.Sep 8, 2026

PublishedSep 8, 2026

Duration2:44

Views7K

Back to Work.Yrvind's high-latitude boat faces a 3.9-meter door clearance problem that requires unstepping the mast.Sep 7, 2026

PublishedSep 7, 2026

Duration4:10

Views5K

A Non Bloated Boat in a Bloated World.Sven Yrvind plans a 4.6-meter high-latitude boat for a route from Vigo to the Azores and Norway.Sep 6, 2026

PublishedSep 6, 2026

Duration7:16

Views29K

No access to boat sat and sunday.Sven Yrvind performs maintenance on a trailer while denied weekend access to his boat in a warehouse.Sep 5, 2026

PublishedSep 5, 2026

Duration1:11

Views4K

Fixing water collection and trailer adaption.Sven Yrvind installs twin-keel supports on a trailer and mounts a rain-collection system to the boom.Sep 4, 2026

PublishedSep 4, 2026

Duration5:10

Views8K

The Trailer and a Slip for the Boat.Sven Yrvind replaces four trailer wheel bearings and new tires to prepare for transport on the Autobahn.Sep 3, 2026

PublishedSep 3, 2026

Duration4:02

Views9K

Aft Sail Up.Sven Yrvind rigs an aft sail on his experimental boat to improve stability and balance when beating.Sep 2, 2026

PublishedSep 2, 2026

Duration9:26

Views12K

Two Sails Up.Sven Yrvind tests a 900-kilogram boat with a three-square-meter, two-sail downwind rig and integrated water collection.Sep 1, 2026

PublishedSep 1, 2026

Duration9:28

Views58K

The Boat Is Out of the Workshop.Sven Yrvind prepares to step the masts and rig the booms after moving his boat outdoors.Aug 31, 2026

PublishedAug 31, 2026

Duration2:44

Views16K

Ready for Masts and Sails.Sven Yrvind prepares his 850-kilogram boat for mast installation and launch after two years of workshop construction.Aug 30, 2026

PublishedAug 30, 2026

Duration4:38

Views8K

2 Iphone, 2 Ipad, 3 fenders and 1 pump.Sven Yrvind stocks two iPhones, two iPads, and solar chargers in Västervik before departure.Aug 29, 2026 · Lysekils kommun, Sweden

PublishedAug 29, 2026

Duration3:26

Views5K

LocationLysekils kommun, Sweden

The pillow and an extra goose barnacle brass brush.Sven Yrvind fits a microfiber pillow and a brass barnacle brush aboard the 5.9 before departure.Aug 28, 2026

PublishedAug 28, 2026

Duration3:48

Views4K

Mattress and Drawing Board Installed.Sven Yrvind installs a mattress and drawing board inside his high-latitude boat while preparing for a voyage.Aug 27, 2026

PublishedAug 27, 2026

Duration5:03

Views12K

Ready to Roll.Sven Yrvind installs temporary wheels on his boat in Västervik, Sweden, for a short-distance land transit.Aug 26, 2026

PublishedAug 26, 2026

Duration2:09

Views6K

Backup Power.Sven Yrvind wraps two power banks in aluminum foil as lightning protection before an offshore departure.Aug 25, 2026

PublishedAug 25, 2026

Duration3:02

Views2K

Around the World on Six Charts.Sven Yrvind fits six ocean pilot charts covering the whole world into his 5.9.Aug 24, 2026

PublishedAug 24, 2026

Duration3:35

Views2K

Folding Charts — Not Seven Times.Sven Yrvind cuts charts to 32 cm squares and argues GPS redundancy makes a sextant unnecessary.Aug 23, 2026

PublishedAug 23, 2026

Duration5:57

Views2K

Protecting my backup GPS from lightning.Sven Yrvind Faraday-wraps two GPS units in aluminum foil against lightning strike.Aug 22, 2026

PublishedAug 22, 2026

Duration3:30

Views2K

The Moment of Truth Is Coming Soon.Sven Yrvind installs electrical components and custom cushions from CB Marine before his upcoming boat launch.Aug 21, 2026

PublishedAug 21, 2026

Duration6:04

Views14K

Checking Out the Tent.Sven Yrvind installs a Garmin inReach Mini 2 and electrical components inside his boat, X-Lex.Aug 20, 2026

PublishedAug 20, 2026

Duration9:28

Views3K

Many important things!Sven Yrvind installs a Mini 3 Plus communicator on X-lex and builds a Faraday cage backup.Aug 19, 2026

PublishedAug 19, 2026

Duration5:52

Views2K

The pill doctor and more.Sven Yrvind constructs a Faraday cage using aluminum foil to protect spare electrical components from lightning.Aug 18, 2026

PublishedAug 18, 2026

Duration2:32

Views2K

4 padeyes.Sven Yrvind installs four padeyes to secure gear storage inside his high-latitude boat cabin.Aug 17, 2026

PublishedAug 17, 2026

Duration3:55

Views2K

6 Topping lifts and more.Sven Yrvind explains a six-topping-lift rig layout and criticizes the EU Recreational Craft Directive.Aug 16, 2026

PublishedAug 16, 2026

Duration9:16

Views3K

Name Painted & Better Grip.Sven Yrvind names his high-latitude boat X-Lex and adds sand-texture grip to its anchor bench.Aug 15, 2026

PublishedAug 15, 2026

Duration5:05

Views4K

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Autonomous Monastic State of the Holy Mountain, Greece1Baltic Sea2boatyard1Camaret-sur-Mer, France1Columbus, United States1Edinburgh of the Seven Seas, Saint Helena, Ascension and Tristan da Cunha1Falkland Islands1Gothenburg, Sweden3Grömitz, Germany1Herräng, Sweden8Karlshamn, Sweden1Karlskrona, Sweden1Kiel, Germany1Kristianstads kommun, Sweden1La Trinité-sur-Mer, France1Lysekils kommun, Sweden1Madrid, Spain1Mariestad, Sweden1Norrköpings kommun, Sweden1Piriápolis, Uruguay2Søby, Denmark1Stockholm, Sweden2Tierra del Fuego, Falkland Islands2Tristan da Cunha2Valdemarsviks kommun, Sweden1Västervik, Sweden10Viby, Sweden1Vigo, Spain5