Sven Yrvind – Page 60

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Hatchwork again. Preparing a water test
Sven Yrvind
Hatchwork again. Preparing a water test
None of the bulkheads are done. Before doing more work on #2 hatch I have decided to do a test with water on #1. I will hand saw the strapes put pressure on the gasket and fill the space with water no water is an exellent result. A few drips will be OK. St...
  • Nov 30, 2021
  • Language: EN
  • Play Time: 00:01:27
Doing an other hatch lid. The problem is to get an accurate shape. A I made a device to scribe it
Sven Yrvind
Doing an other hatch lid. The problem is to get an accurate shape. A I made a device to scribe it
The hatch lid have to fit with close tolerances the rim or coaming but the labyrinth makes it difficult to scribe it. I like to have a margin of 4 mm that it does not get stuck. To make it I made a little device that will help me to scribe it. Also the sho...
  • Nov 29, 2021
  • Language: EN
  • Play Time: 00:01:26
More hatch gluing. Bonus my 10 000 A4 paper that may last untoo I am 192 years old. God willing
Sven Yrvind
More hatch gluing. Bonus my 10 000 A4 paper that may last untoo I am 192 years old. God willing
Just more standard work an hatches. For more information on my boats and for donations see yrvind.com
  • Nov 28, 2021
  • Language: EN
  • Play Time: 00:02:45
Gluing on hatch
Sven Yrvind
Gluing on hatch
This is not to exciting, just routine work. But what is interesting is that this is the secound bulkhead hatch and I am learning all the time so it gets better than the first one. I am learning all the time. Still the first hatch is good. I mean even if yo...
  • Nov 27, 2021
  • Language: EN
  • Play Time: 00:01:48
3 Bends & Bonus how to get many yellow A4 paper into 4 times as many A6 yellow papers
Sven Yrvind
3 Bends & Bonus how to get many yellow A4 paper into 4 times as many A6 yellow papers
3 Bends: Zeppelin bend Carrick bend Doubble European death bend. They each got their advantages. Also the Capstan Equation. If you want to understand rope handling the Capstan Eqation and vectors are very good tools. Bonus How to transforme many yellow A4...
  • Nov 26, 2021
  • Language: EN
  • Play Time: 00:04:24
Bris mini sextant detailed explanation
Sven Yrvind
Bris mini sextant detailed explanation
Here is a video that my friend Beppe Backlund made over 10 years ago where I explain how the Bris mini sextant works. Regards Yrvind
  • Nov 25, 2021
  • Language: EN
  • Play Time: 00:06:28
Yrvind Island named after the inventor of the Bris sextant. Bonus the twisted noon sextant.
Sven Yrvind
Yrvind Island named after the inventor of the Bris sextant. Bonus the twisted noon sextant.
Back in the 1970-s I invented a new type of sextant, a mini sextant its not bigger than a finger nail its weight is only 3 grams. Its intended as a back up to the ordinary sextant. From Wikipedia: The island is named after Sven Yrvind, a Swedish sailor and...
  • Nov 24, 2021
  • Language: EN
  • Play Time: 00:02:55
Making strong points for the ratchet strap.
Sven Yrvind
Making strong points for the ratchet strap.
Today I have making strong points for the ratchet strap in the forward bulkhead. Its two M8 eye bolts with backing plates. The backing plates rests on two layers of 600 gram carbon fibre. To not compress the Divinycell there is four 20 millimeter pipes wit...
  • Nov 23, 2021
  • Language: EN
  • Play Time: 00:01:32
Forward bulkhead rounding of opening edges and carbon reenforcing for ratchet strap
Sven Yrvind
Forward bulkhead rounding of opening edges and carbon reenforcing for ratchet strap
More work on the foreward bulkhead. The edges of the opening have been rounded and laminated. For more information on my cruising see yrvind.com There you can also donate to the project on Paypal and Swish
  • Nov 22, 2021
  • Language: EN
  • Play Time: 00:02:09
The spacers are glued to take the eyebolts for the ratchet strap
Sven Yrvind
The spacers are glued to take the eyebolts for the ratchet strap
Also some gluing for the inner edge of the gasket holder. For more information and to donate see yrvind.com
  • Nov 21, 2021
  • Language: EN
  • Play Time: 00:01:34
The spacers are glued as is the inner distances for the gasket in ft bulkhead
Sven Yrvind
The spacers are glued as is the inner distances for the gasket in ft bulkhead
The spacers are now glued as is the distances that keep a sharp inner edge for the gsket in the aft bulkhead. All went well. For more information on my sails and boats see yrvind.cm There you can also donate.
  • Nov 21, 2021
  • Language: EN
  • Play Time: 00:01:56
Polyoxybenzylmethylenglycolanhydride, better known as Bakelite reenforced with cotton fiber.
Sven Yrvind
Polyoxybenzylmethylenglycolanhydride, better known as Bakelite reenforced with cotton fiber.
Polyoxybenzylmethylenglycolanhydride, better known as Bakelite reenforced with cotton I will use so that the Divinycell do not get compressed. A trade name is Tufnol. It was much used for nautical hardware in the 50 and 6o-s for blocks and winches. It is ...
  • Nov 20, 2021
  • Language: EN
  • Play Time: 00:01:56
Aft bulkhead hatch so big that I reduced the hatch over the dining room. Much is gained thus.
Sven Yrvind
Aft bulkhead hatch so big that I reduced the hatch over the dining room. Much is gained thus.
Nothing like the real thing. It was when I saw how big the hatch in the aft bulkhead bekame I realised that I did not need a deck hatch above the dining room. The hatch in Exlex 2020 was 45 cm wide, this one is 60 cm wide. For more information on the proje...
  • Nov 19, 2021
  • Language: EN
  • Play Time: 00:02:23
Beamy sandpaper and transfering the shape of the mold to the sandwich panel. +Hockey player.
Sven Yrvind
Beamy sandpaper and transfering the shape of the mold to the sandwich panel. +Hockey player.
Plenty of sandpaper I am set for one hundred more years of sanding flat hatches. But it was the minimum I could get. For more information and donations se yrvind.com
  • Nov 18, 2021
  • Language: EN
  • Play Time: 00:02:12
How I make my textil hardware. By request. These fittings for small boats are cheap simple & light
Sven Yrvind
How I make my textil hardware. By request. These fittings for small boats are cheap simple & light
Its inded very simple to make. Use a bit of rope saturate with epoxy. To make it stronger wrap sting or more rope around it build up thickness to the desired strenght. No it is not as stiff as glassfibre. But its not only Youngs modulus that makes a fittin...
  • Nov 17, 2021
  • Language: EN
  • Play Time: 00:01:27
To make the gasket rest om a flat surface I made a canal filled with NM-epoxy. Video done quickly
Sven Yrvind
To make the gasket rest om a flat surface I made a canal filled with NM-epoxy. Video done quickly
Its an old idea. The old Egyptians used to get the four corners of their pyramids the same level to within one millimeter. The digged a canal around the base primeter and filled it with water. Old people can be very smart. More information on my project an...
  • Nov 16, 2021
  • Language: EN
  • Play Time: 00:03:10
Trying to make myself more clear concerning the hatch architecture
Sven Yrvind
Trying to make myself more clear concerning the hatch architecture
https://www.youtube.com/watch?v=KdOgULeFTfM Link to rollover test 2018 For more information on my cruising life and donation see yrvind.com
  • Nov 15, 2021
  • Language: EN
  • Play Time: 00:03:16
Improwements on how the ratchet strap is used and when.
Sven Yrvind
Improwements on how the ratchet strap is used and when.
I differ in that I take time to make my boat waterproof even if it is upside down. The hatches are waterproof. The ventilation system is made in such away that no water can com in the boat even if she is upside down. Here is a link to a rollover test made ...
  • Nov 14, 2021
  • Language: EN
  • Play Time: 00:04:01
Estimating the pressure needed on the gasket to make the hatch waterproof.
Sven Yrvind
Estimating the pressure needed on the gasket to make the hatch waterproof.
This is an stimate. The hatch rim is thicker so 50% more force is needed because of that. There is also friction in the system so mere force is needed The straps do not pull straight down also that reduces the force so more force is needed. I am 82 years o...
  • Nov 13, 2021
  • Language: EN
  • Play Time: 00:02:06
Cleaning up the channels for the gasket and more Divinycell, high density now.
Sven Yrvind
Cleaning up the channels for the gasket and more Divinycell, high density now.
For more about my sailing see and donations. Yrvind.com
  • Nov 12, 2021
  • Language: EN
  • Play Time: 00:01:48
Experimenting with ratchet strap to close hatch in bulkhead
Sven Yrvind
Experimenting with ratchet strap to close hatch in bulkhead
yrvind.com for more information about my projects and for donations
  • Nov 11, 2021
  • Language: EN
  • Play Time: 00:01:59
The corner of the gasket holder now in place
Sven Yrvind
The corner of the gasket holder now in place
Yrvind.com Sam Holmes have a video of my workshop https://www.youtube.com/watch?v=3JTF8covZ2Y Here is a general idea of the boat. Enjoy.
  • Nov 10, 2021
  • Language: EN
  • Play Time: 00:00:45
Getting the hatch lip even 9 Nov 2021
Sven Yrvind
Getting the hatch lip even 9 Nov 2021
Yrvind.com Please support my project
  • Nov 09, 2021
  • Language: EN
  • Play Time: 00:02:26
It fits the hatch Monday 8 November 2021
Sven Yrvind
It fits the hatch Monday 8 November 2021
Yrvind.com Please support
  • Nov 08, 2021
  • Language: EN
  • Play Time: 00:01:42

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