Sailing Lilla My, P1, Manufacturing new lenses for my Lewmar portlights, on my Beneteau Oceanis 411
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- Опубликовано: 26 мар 2022
- My Beneteau Oceanis 411 was built in year 2000 and has nine Lewmar portlights. After more than 20 years of UV-exposure and chemicals the the acrylic lenses had cracked severely.
It is not possible to buy replacement lenses for these New standard Mk1 portlight, so I decided to manufacture new ones.
After some research I found the a user called “Salty” on a Bavaria yacht forum had solved the problem: bavariayacht.org/forum/index.... (Thank you very much for an great article!)
Inspired by that article I started my own manufacturing, including routing the lenses with my own hand-router. Which is documented in this video.
I used a Partite 7310 glue. It makes a very strong joint and has a fairly long working time, 15-18 minutes. The glue is manufactured in US, but the only one I found selling it for individuals was e-teck in UK. A bit costly and long delivery time since UK is outside EU these days, but a great glue. One 50 ml cartridge was just enough for al 9 lenses (40 fittings) in two batches.
www.e-teck.com/partite-7310-m...
I used 8 mm clear polycarbonate plastic of the brand ”Saphire”, with a hard surface coating with significant improved scratch resistance, UV-resistance etc. Still to be seen how it works in practice.
Let me know your feedback or any questions in the comment field! Like and subscribe if you like it, more projects to come 😊
Great job, i need to do mine on a Beneteau First 40.7 of the same era. I´m a Brit living in Sweden, maybe see you out there next year!
Hi thankyou so much for sharing this video, been looking on utube to replace mine, I have a beneteau 393 with same fixing, great in-depth video of how to
Great video - thank you for sharing the details which are usually missed by others
Fantastic video, thanks. I have two identical lewmar portlights from the same era that need the lenses replacing. I thought that I might be able to reuse the fittings, so it’s great to see how you were able to split them off like that!
Nice job! Both with the lenses and the editing :) / your biggest fan
Hi Jakob, many thanks for the great video! Everything is clear - but I would still ask you some details, if I may. You stated the size of the acrylic plus the hinge should be 27mm. Did you measure the thickness of the acrylic itself at the recessed area? As I have no tools a place to cut the acrylics myself in need to give someone the measurements including the thickness at the recessed areas. I think that the hinges have all the same size, so the thickness of the recessed areas should also be a definite size? To the glue you used: is it possible to use only a part of the 50ml of the 7310 or if you open it it is done? Thanks a lot, Andras
Hi,
No i dont have that measurement. But it should be 27 mm minus the hinge thickness. Yes, same for all.
The glue tubes can be be used several times but you need to use a new nozzle each time.
Good luck with your project!
Thanks for posting...this is a current project for me and your video is a fantastic help!
PS I have the MK2 I guess on my 2002 Catalina C380 ...is there any danger of breaking the fittings while breaking the glue?
Hi, Thanks for your feedback, appreciate it :)
I don't think so. Be careful and try it out. I think the glass will break before.. ;)
@@jakobmagnusson5603thanks for the reply ...your glue is not available in Australia (in my searches at least) is this very specialised or would an epoxy be ok do you think?
Hi Jakob
What was the diameter of your router bit? It seems as though the hinge corners are less than the usual half inch (6.3mm radius). Thanks for any advice.
Hi Alex, I don't remember. But it needs to be same diameter or smaller I assume...
Hej,
Det är inte så att du vill göra nya till min båt mot ersättning?
David
Nice! ^_^
hvor købte du plexiglas pladen henne ?
Jakob, Very nice video. I have the MKI lenses in a Beneteau 423 and would like to do the same. I have not yet found 8mm thick acrylic or polycarbonate available in the US. Do you have any thoughts about using 9.5mm (3/8" - a US standard size) and recess the hinge and lever more to maintain an appropriate fit?
Hi David,
Thank you.
I believe it world work fine. The magic number is the 27 mm, which you could achieve with a deeper recess.
I heard from my supplier that some material, acrylic I think it waste, has varying thickness on the same sweet. Just to be aware
Good lucka!
@@sailinglillamy5028 9.5mm acrylic with a deeper recess to match the magic 27mm dimension worked fine!! I now have 7 new portlight lenses. She looks new inside with much more light coming into the cabin. Thanks for the inspiration and the how-to knowledge!! Now to replace two deadlights, two hatch lenses, and the washboards.
@@davidreutter8113 thank for your feedback, im glad That the video was helping you:)
Tack! För en jättebra beskrivning. Kommer använda den när det är dags för byte på vår 411
Tack. Berätta gärna hur det går!
Klas, Jag har en limtub över om du behöver. Du kan messa mig (se B411 gruppen)
Åh tack snälla du! Mitt fönsterbytarprojekt ligger dock en bra bit in i framtiden, så den hinner nog bli gammal tills dess.
Veldig bra beskrivelse. Jeg har samme problemet i min Dufour Classic 36. Jeg har 4 åpnings vinduer som jeg kan bruke metoden din på. Jeg har 2 faste vinduer uten mulighet for å åpne så der må jeg gjøre noe research for å finne ut hvordan jeg skal gjøre det
Hej!
Tack!
Jag har också ett fast fönster som jag jobbar med. Det är ganska enkelt att kopiera plastbitar. Nu ska jag lösa hur jag ska limma dit den. Det kanske kommer en video så småningom.
Mvh
Jakob
Hey @jakobmagnusson5603 @sailinglillamy5028 you dont happen to have the measurements for the windows?