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Space under floor

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415 Singapore View Drop Down
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    Posted: 06 October 2020 at 08:59
Hi, I recently had to lift the floor boards on Night Train to get proper access to the bilge pump which meant taking up most of them to lift the one I needed up as that one went partially under the galley cabinets.
What surprised me was the amount of wasted space between the ribs, we have one Hanse installed access panel for a very useful bottle storage, but none of the others are used.
I would like to cut more access panels but am intrigued as to how Hanse cut the floor boards as there only appears to be about 1.5mm of total play between the cover and the floor, i.e. the saw cut was 0.75mm. 
Has anyone else cut these floor boards / panels and if so what did you use because even the thinnest jig saw blade I can find is at least 1 to 1.5mm wide, plus there are quite small radius corners.
As always, any thoughts would be much appreciated.
Photo below is the existing access panel
Thanks
Paul
Paul - Night Train - 415 #136
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Matt1 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Matt1 Quote  Post ReplyReply Direct Link To This Post Posted: 06 October 2020 at 09:21
I've had similar thoughts to you regarding the space. For instance in the "U" formed by the stbd saloon seats there could be quite a nice locker under the sole for storing heavy items / bottled water etc

I'd also have liked some access to inspect the keel bolts under the table. I do think this is a bit of an omission from Hanse (& probably the only thing I can find to criticize). As it is you would have to put an endiscope through the limber hole to check them?
 
My last boat was built from a kit and I had to cut a few of these kinds of access holes. I did them fairly neatly and the laminate material is robust and reasonably easy to work BUT like you say, the narrowest blade you can get is at least 1mm and you will never get as good a cut as the factory....which may then make them look obvious. Maybe you can lift the sole boards and take them somewhere to be professionally cut?

If you do I'd be interested to know where you cut the holes and what lay beneath them.

I use the under sole access in the port afctabin to store water and tried to lift the stbd aftcabin sole board but it must have been glued down as removing the screws didn't allow me to lift it
Hanse 418 #64 EmBer. Hamble, UK

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sflier View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sflier Quote  Post ReplyReply Direct Link To This Post Posted: 06 October 2020 at 11:46
I suspect they were laser or water jet cut from the factory.


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alettaenmarcel View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote alettaenmarcel Quote  Post ReplyReply Direct Link To This Post Posted: 06 October 2020 at 12:02



I have made these my self


 



Edited by alettaenmarcel - 06 October 2020 at 12:03
Kids Dingys 72-79 ,Several Windsurfboards 79-86 OK dingy competitions 86-92 , Trotter Pandora Race 92-98, Friendship 28 Sport 98-05, Hanse 370 06-......
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415 Singapore View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 415 Singapore Quote  Post ReplyReply Direct Link To This Post Posted: 06 October 2020 at 14:03
Hi, that looks really good, how did you cut out the access panels?
Thanks
Paul
Paul - Night Train - 415 #136
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alettaenmarcel View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote alettaenmarcel Quote  Post ReplyReply Direct Link To This Post Posted: 06 October 2020 at 14:06
i did use a jigsaw
And then a mill to be able to make it so I good glue in the bottom layer of wood with epoxy.
Kids Dingys 72-79 ,Several Windsurfboards 79-86 OK dingy competitions 86-92 , Trotter Pandora Race 92-98, Friendship 28 Sport 98-05, Hanse 370 06-......
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415 Singapore View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 415 Singapore Quote  Post ReplyReply Direct Link To This Post Posted: 06 October 2020 at 14:48
Hi, sorry to be a pain, but what sort of jigsaw blade did you use and how did you get round the tight corners?
Thanks
Paul
Paul - Night Train - 415 #136
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Matt1 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Matt1 Quote  Post ReplyReply Direct Link To This Post Posted: 06 October 2020 at 15:06
That is VERY good work with a Jigsaw!
 
I used a very thin, laminate blade when I cut sole board and other thin veneers. The trouble is that where it was thin it heated up and developed a mind of it's own.
 
Stating the obvious to the OP but whatever blade you get have a practice first! We haven't seen close ups of those apertures but they do look good from a distance. Having built two kit boats, and being pretty handy with tools, I could not get that good a result with my jigsaw :(
 
 
Hanse 418 #64 EmBer. Hamble, UK

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spam View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote spam Quote  Post ReplyReply Direct Link To This Post Posted: 06 October 2020 at 22:49
That is indeed very, very, well done.  Would love hear more about how you exactly did this, type of saw, blade and set up.

Thanks!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Black Diamond Quote  Post ReplyReply Direct Link To This Post Posted: 07 October 2020 at 01:49
They are indeed laser cut at the factory.   Its amazing to see.   I took the tour when our boat was being built.     Tough to recreate with a jig saw.   That's excellent work.
Rick
S/V Black Diamond
Hanse 575 Build #192, Hull# 161
Newport, RI
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