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Re: F85SR Concept Boat [Re: phill] #258366
03/16/13 09:05 PM
03/16/13 09:05 PM
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phill Offline OP
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I undercoated the floats a couple weeks back.
I add some pics below.

Undercoated Floats
[Linked Image]


Carbon Fibre Chainplate still needs some attention.
[Linked Image]

Flush Hatch.
[Linked Image]





Attached Files
painting 001.jpg (1351 downloads)
painting 008.jpg (1332 downloads)
painting 009.jpg (1344 downloads)
Last edited by phill; 03/16/13 09:12 PM.

I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

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Re: F85SR Concept Boat [Re: phill] #258367
03/16/13 09:15 PM
03/16/13 09:15 PM
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phill Offline OP
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I've sprayed a duster coat over the floats and beams.
Sanding this off will help identify any areas that need further attention prior to top coating.

[Linked Image]

[Linked Image]


Attached Files
painting 011.jpg (1320 downloads)
painting 012.jpg (1430 downloads)
Last edited by phill; 03/16/13 09:19 PM.

I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #260325
06/13/13 06:38 AM
06/13/13 06:38 AM
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phill Offline OP
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Not much happening on the boat building front lately as I've been taking care of a few other projects. One of these was converting a rusty old mangle into an etching press. I finished that last week and I am now setting up the frames to start the main hull.

Attached Files
Etching Press.jpg (385 downloads)
main hull frames 1.jpg (1138 downloads)
Last edited by phill; 06/13/13 06:41 AM.

I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #260326
06/13/13 06:51 AM
06/13/13 06:51 AM
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[Linked Image]


I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #260612
06/24/13 01:38 AM
06/24/13 01:38 AM
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Currently foam planking the first side of the main hull.
It seems 300mm wide strips will do the job. Note I have gone overboard with both battens and screws. My reasoning is that it is much more pleasant carefully screwing on the foam as opposed to filling and sanding. I went this way with the floats and there was very little fairing needed to get a nice straight and fair set of hulls.

[Linked Image]

Attached Files
foam main hull 1.jpg (1059 downloads)
Last edited by phill; 06/24/13 01:40 AM.

I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #260639
06/24/13 05:27 PM
06/24/13 05:27 PM
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The planking is almost done for the port side of the main hull.
Its getting a bit tricky at the bow because the foam won't take the tight curve even after being heated in the oven.
I'll try kerfing the foam in this very tight curve and see how that goes.

I'm laminating just the hull first because leaving the battens for the cabin side and deck off gives better access and keeps the hull surface within reach for the laminating.
The cabin side and deck will be done before moving onto the stbd side.

[Linked Image]

[Linked Image]


Attached Files
foam main hull 4.jpg (998 downloads)
foam main hull 5.jpg (1041 downloads)
Last edited by phill; 06/24/13 05:34 PM.

I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #260719
06/27/13 05:22 AM
06/27/13 05:22 AM
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The kefring worked great. I only had to kerf the keel from the bow back 1200mm.
This gave a very smooth curve. I'm currently busy preparing the foam to take a vacuum for the laminate. I'll post some pics when I get a chance.


I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #260962
07/05/13 06:50 AM
07/05/13 06:50 AM
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I finished laminating the inside of the port side of the main hull today.
Yesterday we laminated transom to frame 9 and today we completed the job up to the bow. In each operation I managed to apply the vacuum well inside the vacuum window specified for the resin and achieve a vacuum of 22 to 25 inches of mercury. This is around the same as the floats and if this continues it should make a pretty good boat.
I'll post some more pics soon.


I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #260980
07/07/13 12:19 AM
07/07/13 12:19 AM
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The kerfing worked as a means of forming the tight curve near the bow.
I used a 4mm circular saw blade to cut 5mm deep slots in the 10mm foam/.
As a precaution I still heated the foam in the oven before shaping.
This is much easier than than correcting a bad shape later.
[Linked Image]

Attached Files
kerf 2.jpg (994 downloads)
Last edited by phill; 07/07/13 12:22 AM.

I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #260984
07/07/13 07:59 AM
07/07/13 07:59 AM
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Just a couple pics of the port side of the main hull.
Note I've not yet installed the battens for the cabin side or deck battens.
Leaving them off until the hull has been laminated allows much easier access.
I'll now go ahead and do the same for the cabin side and deck.

[Linked Image]

The vacuum bag etc has been removed but the peel ply will stay and just remove
sections as needed as leaving it in place keeps the laminate clean avoiding possible
contamination of area that I may need to bond bulkheads to.
[Linked Image]

Attached Files
PL3.jpg (1053 downloads)
PL8.jpg (931 downloads)
Last edited by phill; 07/07/13 08:14 AM.

I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #261066
07/09/13 03:23 AM
07/09/13 03:23 AM
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Wilhelmshaven, Niedersachsen, ...
L
luckystrike118 Offline
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Hi Phill,

whouw great progress and very good work as always.

I like your flush hatches. Would you explain how you made the invisible parts to get them watertight? Are there any drainage channels?

Best Regards, Michel


Last edited by luckystrike118; 07/09/13 03:25 AM.

hullaballo
Re: F85SR Concept Boat [Re: luckystrike118] #261120
07/09/13 04:50 PM
07/09/13 04:50 PM
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Michel,
The parts to make them watertight will not be installed until after the floats and beams are joined. Only because it will be easier to do the glassing of the fwd beam to the bulkhead without them being in place.
They are nothing fancy just straight out of the plans.
They are not complete yet but I'll try to remember to take a pic of where they are at and post it so you can see. I will be drilling drainage holes so any water that get past the hatch seal will be caught in a channel and leave via the drainage holes.

Regards,
Phill


I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #261635
07/24/13 03:08 AM
07/24/13 03:08 AM
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Wilhelmshaven, Niedersachsen, ...
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luckystrike118 Offline
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Hi Phill,

thanks for this! I have a slight idea how this will work, nut would like to see some pictures. If you allow I will remember you so you don't have to think about it any more and can concentrate on your project.

Many thanks and best regards, Michel


hullaballo
Re: F85SR Concept Boat [Re: luckystrike118] #261712
07/25/13 07:41 AM
07/25/13 07:41 AM
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phill Offline OP
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Michel,
Thanks for the reminder.
The pic is of the partially made fitting that will eventually go inside the hatch. The insert sitting on top is made from 2 layers of 5mm corecell foam with a rebate to ensure it is located at exact height in final fitting. It still needs to be sanded and top shaped to match the underside of the hatchand looks pretty poor at this stage but will look right when finished.
Once this is done it needs glassing and this will be done in two steps. Glass the outside while it is in place in the lower fitting with packing tape being used to afford a release so I can make a flange for later glueing together. Then glass the inside. A neoprene seal will be fitted to the top edge.
Keeping it in two parts until fitting beacuse this allows me to tape the lower fitting in place before adding the insert. This is the only way to get access where the flat section meets the hull. Prior to adding the insert would also be the best time to drill the drainage holes.
Any water that comes in the hatch will go into the channel formed by the fitting and exit via drainage holes.

[Linked Image]


Attached Files
Hatch fitting.jpg (1073 downloads)
Last edited by phill; 07/25/13 07:43 AM.

I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #261741
07/26/13 06:49 AM
07/26/13 06:49 AM
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I've laminated the cabin side using 16mm foam so it was thick enough to rebate the windows later. Having the windows fitting near flush would look so much better than them sitting proud of the side.
[Linked Image]

I've also continued on with the 16mm foam for the cabin top.
The pics show the foam in place. I hope to get to laminating it in the next day or so as I'm looking forward to fitting bulkheads. I may take some time out to further upgrade my vacuum table for the laminating of the bulkheads. It works well but an upgrade should give me a better duty cycle of the vac pump on/off.

[Linked Image]
[Linked Image]



Attached Files
cabin side.jpg (1131 downloads)
Last edited by phill; 07/26/13 07:04 AM.

I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #261772
07/27/13 06:25 AM
07/27/13 06:25 AM
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Today I laminated the cabin roof and foredeck of the port half of the hull.
I weighed the glass beforehand @ 1775gm and the carbon uni used @ 100gm. So you would expect to use around 1900gm of resin. I managed to wet out the laminate with around 1900gm of resin but by the tine I'd properly wet out the peel ply I had used 2500gms of resin. However the peel ply tends to show any dry areas in the laminate beneath and correction requires more resin. The vacuum and absorption fabric help to correct any areas where there is excess resin.
IT is currently under a vacuum of 25 inches of mercury and with the vacuum pump only coming on for 20 secs every 30mins to maintain the vacuum, leaving the pump on overnight is not a problem.




I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #261813
07/29/13 04:44 AM
07/29/13 04:44 AM
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I pulled all the vacuum consumeables off yesterday and the laminate looks great. Towards the end of the week I should
have a few domestic chores out of the way and be working on the bulkheadS.


I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #262213
08/08/13 06:44 AM
08/08/13 06:44 AM
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phill Offline OP
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It was rather interesting the fun I had laminating the underside of the cabin roof.Leaving the peel ply keeps the laminate clean and there for easy to bond to for the installation of bulkheads etc but the surface is just a little slippery. When setting up to laminate the roof I had to get inside the hull and up near the bow kept sliding into the surface I wanted to laminate. I set up a series of ropes to help avoid this.

[Linked Image]


Well I just pulled the second half of the companion way bulkhead off the vac table.

[Linked Image]

[Linked Image]

That was the last Bulkhead that I needed to make.
BTW:-Looks a bit out of proportion because I make them slightly oversize and use the CNC cut template and a router to trim them to the exact size once laminated.

Now I have to make the **** seat and floor but the vac table is not quite big enough.
Next week I'll drop into the local hardware store for an oversize sheet of MDF. and rig something up temporarily for these.

Attached Files
cabin roof.JPG (1014 downloads)
Last edited by phill; 08/08/13 07:05 AM.

I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #262325
08/11/13 11:15 PM
08/11/13 11:15 PM
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I'm currently fitting the bulkheads into the port half of the man hull while in the mould.
I'm taking my time and checking they are exactly right.
The other half B/H in the other half of the main hull will have to line up.
Note b/hs are screwed to timber bracing to make sure they don't move while being filleted and glassed in place.
Peel ply still on B/hs and just enough removed from the hull to bed the b/hs in epoxy bog.
Once cured enough peel ply will be removed to fillet and glass in place.

[Linked Image]


Attached Files
Last edited by phill; 08/11/13 11:20 PM.

I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

Re: F85SR Concept Boat [Re: phill] #262384
08/13/13 06:54 AM
08/13/13 06:54 AM
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phill Offline OP
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When I built my first boat back in the 80s my attempt to
fillet and glass in the bulkheads was woeful. I took a
piece of 4mm ply and shaped the end of it and then commenced
to try and coax the filleting compound into the joint.
Of course I ended up with a right mess.
I read how it is wise to tape either side of the fillet so you
can remove the tape and the mess prior to glassing.
The other problem that I had was the filleting compound would
squash out of shape.One could wait until cured but that would mean
sanding the fillet to get it smooth enough to take the glass tape
with no air gaps between the two.

These days a very simple and effective method has evolved.

If using 100mm tape I coat 50mm either side of the joint to be
filleted and glassed with resin mixed with slow hardener.

Then I make up the filleting compound with resin with fast hardener.

I deposit the filleting compound in blobs along the joint and run
a bit of rubber 4mm thick and 2.5 inches by 2.5inches with a rounded
corner. The round on the corner is the shape of the fillet that I want.
This rubber tool distributes the compound into the joint and cleans up
the work in the one operation. I then wet out the glass tape on a separate
board and use it to glass the joint.I also apply peel ply an inch or so wider
than the glass used. If doing a few joints by the time I get to glassing
the first one the filleting compound has gelled enough to hold its shape
but still soft enough to take the glass.
Below is a pick of a joint done this way.
The joint is very smooth if you run your hand along it and
very little effort required to fair the edge of the glass tape as the peel ply has done most of the fairing already .
It's a pity my photographic skills didn't also improve along the way.

[Linked Image]


Attached Files
filletting bulkheads.jpg (823 downloads)
Last edited by phill; 08/13/13 07:04 AM.

I know that the voices in my head aint real,
but they have some pretty good ideas.
There is no such thing as a quick fix and I've never had free lunch!

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