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 old and not as strong as before but I can use much more force if needed.
The experiment continues a better way with the strap is on its way.
For more on my project and for donations see yrvind.com
Swish 0706200550
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 wreck an old steam launch build 1885 I converted her to a staysail schooner and sailed her to Rio de Janeiro. That voyage advised me that a bigger boat do not bring happiness, happiness is an inside thing. I designed a 6 meter doubble ender built her in my mother basement. Tried to sail around Cape Horn with her but was capsized and pitchpoled. Later I built an 5.9 meter boat in her I rounded Cape Horn in the southern winter June 1980. I have continued to design, build, and cruise small boats often in high latitudes. Please support me on my donation button on my site yrvind.com
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Sven Yrvind Lastest Videos
Showing 1-6 of 1547 results
24 Aug 2025 Fore hatch, guiding lines
This Youtube channel is about me Sven Yrvind. I am86 years 4 month old dyslectic solo sailor. I am adapting a modest size 30 year old 17 feet, 5.3 meter long high latitude canoe cruiser of my own design for a sail to Dunedin in NZ. There I have been promis...
23 Aug 2025 Critical placement of bow hatch latches
This Youtube channel is about me Sven Yrvind. I am86 years 4 month old dyslectic solo sailor. I am adapting a modest size 30 year old 17 feet, 5.3 meter long high latitude canoe cruiser of my own design for a sail to Dunedin in NZ. There I have been promis...
22 Aug 2025 The Evolution of the Oceanic Flaneur
This Youtube channel is about me Sven Yrvind. I am86 years 3 month old dyslectic solo sailor. I am adapting a modest size 30 year old 17 feet, 5.3 meter long high latitude canoe cruiser of my own design for a sail to Dunedin in NZ. There I have been promis...
21 Aug 2025 Bow & Aft hatches, the start
This Youtube channel is about me Sven Yrvind. I am86 years 3 month old dyslectic solo sailor. I am adapting a modest size 30 year old 17 feet, 5.3 meter long high latitude canoe cruiser of my own design for a sail to Dunedin in NZ. There I have been promis...
20 Aug 2025 Closing the gap in the wall of the dining room
This Youtube channel is about me Sven Yrvind. I am86 years 3 month old dyslectic solo sailor. I am adapting a modest size 30 year old 17 feet, 5.3 meter long high latitude canoe cruiser of my own design for a sail to Dunedin in NZ. There I have been promis...
19 Aug 2025 Gimbal project hearing compleation
This Youtube channel is about me Sven Yrvind. I am86 years 3 month old dyslectic solo sailor. I am adapting a modest size 30 year old 17 feet, 5.3 meter long high latitude canoe cruiser of my own design for a sail to Dunedin in NZ. There I have been promis...
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