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  • 3 weeks later...

Well not much building going on,more testing and gathering of materials.Calgary is not a good town to build boat in,pretty much everthing has to be shipped to me.

 

Since the object is to make it as light as possible the floor will be built from a high density foam.This requires a lot more glass then wood so i've been testing different weaves and weights too see what works best.impact tests have been impressive compaired to plywood so i think i'm on the right track.

 

i've also built a full size model out of 1/8" hardboard to make sure its what i want.

 

boat012a.jpg

 

boat013.jpg

 

boat020.jpg

 

boat021.jpg

 

boat022.jpg

 

the sides are 24" high, once i get it all right i'll line up my laser line to shoot a straight line that i can trace then i'll cut the sides.when thats done i'll have full size templates.

 

should move along quickly now that i have everthing.

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Mike.

 

Talk to Brunsie about the foam thing. I think you'll be more weight than plywood with all the epoxy not to mention cost.

 

Well not much building going on,more testing and gathering of materials.Calgary is not a good town to build boat in,pretty much everthing has to be shipped to me.

 

Since the object is to make it as light as possible the floor will be built from a high density foam.This requires a lot more glass then wood so i've been testing different weaves and weights too see what works best.impact tests have been impressive compaired to plywood so i think i'm on the right track.

 

i've also built a full size model out of 1/8" hardboard to make sure its what i want.

 

boat012a.jpg

 

boat013.jpg

 

boat020.jpg

 

boat021.jpg

 

boat022.jpg

 

the sides are 24" high, once i get it all right i'll line up my laser line to shoot a straight line that i can trace then i'll cut the sides.when thats done i'll have full size templates.

 

should move along quickly now that i have everthing.

 

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no worries,been doing tests.got it figured out.

No kidding. You spend more time breaking bits than building boats it seems.

 

Did the plascore ever show up? I am interested to see what I might be able to do with the bottom of my boat to lighten it it.

 

Just encase that model in resin and you're good to go.

 

Andrew

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Back at it again cut out a dovetail joint in the foam to join another piece on.

foam015.jpg

 

glued clamped then scrape off the excess.

foam010.jpg

 

glassed the inside then some peelply on top to flatten out the bubbles

004xn.jpg

its still bendable with the glass on.

 

boat006.jpg

 

So after the foam floor cured i played with the model again getting the floor shape right then traced it onto the foam and cut it out.the peelply works good for the pencil lines.

 

So after the floor was cut i returned to the model pieaces stiched one side on and lined up my laser level to trace a line to create a flat sheer.

 

boat010.jpg

 

cut them out and put the model back together again.

 

boat018.jpg

boat022.jpg

 

didn't quite get the sheer line flat but a little fine tuning and i'll have full size templates.

i'll trace and cut them out then glass and stich it all together again,for the last time i hope.

 

 

 

 

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  • 1 month later...

So back at it again,summer is really not a good time to build a boat but oh well it will get done.

 

i've cut out and glassed my sides,then applied some of the plastic film to help level it all out.

vacuum006.jpg

 

After laying the glass on the floor which is the foam i realized just how easy it is to lay down too much resin.Solution,vacuum bagging.i ordered one from a shop in the US Joe woodworker is the site and it comes with all the necessary valves to control the amount of vacuum.

 

vacuum013.jpg

 

The plastic pipe is a reservoir to hold extra vacuum but its a little small.i've since adapted a 20lb propane tank to store the vac and its working much better.This keeps the pump from running too much.

 

So i've done some tests to get a feel for it.

 

vacuum004.jpg

vacuum001.jpg

getting some good results.

 

I can now move ahead so things should go a little quicker now.

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This is a piece i did today,i glassed both sides of 1/4 meranti. if it works it will be the transom of the boat.

 

vacuum002.jpg

 

My first perfict seal, no loss of vacuum in over an hour.

vacuum006.jpg

 

if anyone knows where in town i can get this kind of 2 sided tape,i'd like to here from you.It has to be the foam kind.Thanks

vacuum007.jpg

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if anyone knows where in town i can get this kind of 2 sided tape,i'd like to here from you.It has to be the foam kind.Thanks

 

I use that type of tape at work to fasten caps to window mullions , as funny as it sounds, try a steel stud framing supplier like kenroc, or pacific west. The 2 sided tape i use is foam but it is white not black.

 

Hope it helps.

 

Cheers

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I use that type of tape at work to fasten caps to window mullions , as funny as it sounds, try a steel stud framing supplier like kenroc, or pacific west. The 2 sided tape i use is foam but it is white not black.

 

Hope it helps.

 

Cheers

 

Cool thanks,as long as its sticky and the foam is soft it should work.

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  • 2 weeks later...

I was able to find the tape at a sealants and adhesive place,butyl its called.

 

So back at the boat,both front and back panels turned out great.

 

With the foam floor not excepting wire stiches that well because of only having glass on one side,i attached wood blocks along the edge with an angle to match the sides.

boat032.jpg

 

i then attached the sides with screws and a couple of stiches to keep it all straight.

 

boat002.jpg

 

i routered a 45 onto the edge of the floor so the sides had something to rest against,this helped keep them in place.the sides are up higher so after its all glued i'll be able to round over the foam to make a nice chine.

in some spots i used wood washers to keep the wire from pulling through the foam.

boat006p.jpg

 

Some goo mixed with fillers was spread onto the seams in a sandwich bag with a corner cut out,like a pastry bag.

 

boat010.jpg

 

 

boat009.jpg

 

boat001n.jpg

 

boat005.jpg

 

 

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Looking very good. I am watching your foam floor with much interest.

 

After seeing a ton of wooden skiffs when I was in Montana I am thinking about doing stitch and glue on my skiff and abandon my current framed skiff.

 

Andrew

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  • 2 weeks later...

onto fillets and tape,this time round i'm doing it a little different.first the fillet, this time i used different fillers.last time i used wood flour,i did some tests and found it to be weak and it also sagged as it cured.this time i mixed it with a mixture of cellulose fiber and fumed silica powder.this makes a nice non sagging fillet.

 

after a cure of about 2 hours i pre cut my tape to length set it on some plastic and wet it out with epoxy.once it was full i then was able to peel it off and lay it down onto the fillet.with my wet gloves i was able to work out the air bubbles.then a piece of peel ply layed over and rolled out.

 

boat007.jpg

 

boat001m.jpg

 

boat005p.jpg

 

this technique has saved many hours of sanding.the peelply leaves a nice textured surface ready for paint.

 

I also re cut the shear line to be a little flatter.

 

boat008.jpg

 

flipped ,next up, bottom glass.

 

boat010.jpg

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  • 2 months later...

so back at again,i have the outer seams filled chines rounded and taped.

boat003i.jpg

bottom glass wrapped and vacuum applied.

 

boat023.jpg

 

peelply pulled,

boat026.jpg

 

broke out the jig to scarph my gunnels to the right length.

boat037.jpg

 

some epoxy to seal,

boat041.jpg

 

one outer gunnel fitted glued and clamped

 

boat047.jpg

i'll get the others clamped on and should be ready for a test float.

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Looking great man.

 

I may be talking to you more about some of your S&G techniques you used. You have prompted me to reconsider my skiff as a framed boat. I have a ribbed boat now and i think a skiff would perform better without ribs.

 

Andrew

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  • 3 weeks later...

still have the whole interior to do ,seats, dry boxes, anchor and of course a beer cooler and holders, rod storage and holders.

 

I'll add it up once I'm done,people ask me about hours spent,i always say who cares, its what i like to do in my spare time.

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