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 Post subject: Re: My Gentry build
PostPosted: Sun Nov 20, 2011 4:45 am 
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Joined: Wed Feb 17, 2010 5:42 pm
Posts: 1013
Location: Sunshine Coast, Queensland, Australia. Building Gentry.
Spent Saturday fine tuning the bottom lines and marking the waterline. Taped along the waterline and applied 6oz epoxy to the bottom today. Ended up running out of time tonight at 3 coats, so trimmed the line with a sharp knife and cleaned up. Not 100% happy with some lumps and bumps a couple defects in the glass and edges that I couldn't trim fully which had ragged threads running wild. They should sand out ok though I hope. The bottom will be painted so no great worry. Next weekend I will sand back the lumps and put on another coat or two.

Photos below after the first coat
Attachment:
File comment: Gentry bow view first glass epoxy coat
Bow glassed.jpg
Bow glassed.jpg [ 1.45 MiB | Viewed 480 times ]

Attachment:
File comment: Gentry bottom glass first eposy coat
Bottom Glassed.JPG
Bottom Glassed.JPG [ 3.66 MiB | Viewed 480 times ]


What have I learned????

I used the dry fit method, fitting the cloth dry and squeegeeing the resin through the cloth. I tried the wet method on a small area and it is VERY difficult to move the cloth once it is wetted out. It makes getting rid of wrinkles very difficult.

When you pick up your cloth, treat it nicely. Keep it rolled and avoid squshing or stretching it.

Smooth the cloth as much as you can initially and tape it in place, but don't overdo it.

Mix only enough epoxy for what you immediately need. I found that 300 grams (250g resin and 50g slow hardener in the case of West Systems) was a good amount to mix for spreading on the initial wetting out, then 200g for subsequent batches. For 3 coats I used about 2L of epoxy.

Pour some of your resin onto the surface, spreading it out from the centre working out to the edges then moving for and aft.

Keep remaining resin in a wide based container, and keep stirring it or the heat builds up and it sets. (Don't put the heated resin in the bin with dry shavings... it catches on fire :oops: )

Don't stretch the cloth too hard, keep a gentle pressure in the direction you need and use the squeegee to spread the resing and smooth out the lumps.

Be careful on the corners, it is easy to over stretch the cloth and spread the fibres.

Tape along the edge and cut along the tape edge while the epoxy is still green to leave a nice defined line.

For layers 1 and 2, the squeegee is fantastic. Next time, layer 3 will be applied with a roller or brush as it gets more difficult to keep it flat and even.

Hope that helps somebody else. :)

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 Post subject: Re: My Gentry build
PostPosted: Sun Nov 20, 2011 6:57 am 
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Joined: Wed Nov 23, 2005 6:45 am
Posts: 5987
Location: Birmingham, AL, USA
Track

Good description and I like it because that's how I do it. Except, I only use a brush. I only pre-coat the surface if I'm working an inverted surface, such as the transom on the Tahoe. If I work alone, which I mostly do, I start 2 feet from the transom and work back. Then work forward. The 2 feet gives you something to pull against to keep the cloth smooth.

It a real satisfaction when you run the box cutter down the edge and peal off the excess. Set back and see a nice job. You'll be turning soon.

Bill

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 Post subject: Re: My Gentry build
PostPosted: Mon Nov 21, 2011 4:58 am 
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Joined: Fri Oct 01, 2010 2:33 pm
Posts: 334
Location: Collegeville, Pa
Glenn, I also followed roughly the procedure you have described and it worked out fine. I am sure your tips will help many others. Nice job, and now get some paint on there and flip her over... Have fun....Neel


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 Post subject: Re: My Gentry build
PostPosted: Sun Dec 04, 2011 3:37 am 
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Joined: Wed Feb 17, 2010 5:42 pm
Posts: 1013
Location: Sunshine Coast, Queensland, Australia. Building Gentry.
Some mongrel left a boat in my shed!!!!
Attachment:
P1000560.JPG
P1000560.JPG [ 3.72 MiB | Viewed 413 times ]

Attachment:
File comment: Gentry bottom glassed
P1000561.JPG
P1000561.JPG [ 3.67 MiB | Viewed 413 times ]


The bottom is glassed with 6oz glass and has 5 layers of epoxy sanded between after layer 3, the last 2 brushed.The sides in this photo have 3 coats of varnish only, recoated within 1 day with no sanding in between. These are just seal coats to protect for the next processes and will be sanded back after the flip and up to 12 coats of varnish applied. I have decided, right or wrong to have traditional unstained varnish finish. The wood should darken over time I gather. The main drawback so far is the lack of stain leaves the staple holes obvious against the lighter wood.

Next steps are to sand again :shock: then apply primter to the bottom, sand again :shock: then apply some bottom paint. I am very bad with fashion, decorating etc. colour choice for the bottom is going to be scary, especially given the choice available in suitable paints. Once that has hardened... Flip time!!!

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 Post subject: Re: My Gentry build
PostPosted: Sun Dec 04, 2011 5:06 am 
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Joined: Thu Apr 09, 2009 3:42 am
Posts: 85
Location: wirral near liverpool UK
looking great

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 Post subject: Re: My Gentry build
PostPosted: Sun Dec 04, 2011 5:54 am 
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Joined: Tue Jul 31, 2007 5:23 pm
Posts: 2872
Location: East Troy, Wisconsin
Very Nice!!!! Love the Golden Glow of the wood!!

Roberta :D :D :D :D :D

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Built Zip "Oliver IV" and Super Spartan "Jimmy 70"


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 Post subject: Re: My Gentry build
PostPosted: Sun Dec 04, 2011 6:53 am 
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Joined: Wed Nov 23, 2005 6:45 am
Posts: 5987
Location: Birmingham, AL, USA
There's nothing like that feeling when you see that first clear, smooth and shiney coat on your boat! Sh________t! I built that?

Bill

"Sh______t" is an old Southern saying.

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Mini -Tug, KH Tahoe 19 & Bartender 24 - There can be no miracle recoveries without first screwing up.
Tahoe 19 Build


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 Post subject: Re: My Gentry build
PostPosted: Sun Dec 04, 2011 8:19 am 
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Joined: Wed Oct 06, 2010 9:05 pm
Posts: 123
Location: LaPlace,LA
Track,

It'd looking real good! I love the natural color of the wood!

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Charlie K.
Building a Flying Saucer


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 Post subject: Re: My Gentry build
PostPosted: Sun Dec 04, 2011 9:17 am 
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Joined: Fri Aug 13, 2010 11:12 am
Posts: 235
Location: Wilmette, IL (Just outside Chicago)
Looking real good!

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 Post subject: Re: My Gentry build
PostPosted: Sun Dec 04, 2011 9:43 am 
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Joined: Wed Apr 15, 2009 7:36 am
Posts: 2080
Location: Indy
Looking great! The no stain finish looks great, The more epoxy coats the darker, less detailed the grain will look so try to keep the same number of coats on the deck as the sides if you want it to all look the same, mine darkened very slightly in time. Dont get too caught up in the staple holes or the color, its amazing when you get the boat flipped how little paint you see. As the boat gets closer to being done little things like staple holes even seem to dissappear in the beauty of the crafts entirety, especially when viewed out in the daylight.

Keep up the great work.

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 Post subject: Re: My Gentry build
PostPosted: Sun Dec 04, 2011 10:16 am 
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Joined: Tue Jul 31, 2007 5:23 pm
Posts: 2872
Location: East Troy, Wisconsin
The holes are just beautifully spalted wood!!!

Roberta :D :D :D :D :D

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Built Zip "Oliver IV" and Super Spartan "Jimmy 70"


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 Post subject: Re: My Gentry build
PostPosted: Sun Dec 04, 2011 11:04 am 
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Joined: Sat Jul 04, 2009 3:50 pm
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Location: Branson, MO
Looking gorgeous. Isn't it amazing what we can do when we put our minds to it.

This is nothing but a tease of what is to come, I can only imagine.

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My Riviera build - the Midnight Cry Project

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Few things in the world measure up to the thrill and satisfaction of boating in a boat that you built.


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 Post subject: Re: My Gentry build
PostPosted: Sun Dec 04, 2011 6:07 pm 
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Joined: Wed Feb 17, 2010 5:42 pm
Posts: 1013
Location: Sunshine Coast, Queensland, Australia. Building Gentry.
I have also sealed "The Hole" with a fibreglass tube. I got a piece of dowel the right size and wrapped it in wax paper, then laid glass mat on the bench and slowly wrapped it while wetting out with a brush. About 3 layers got me a nice tube to line with. All things did not go according to plan though, and naturally it did not want to free itself from the rod. I tried heating it with a hot air gun, and managed ot move it slightly (also managed to find out that it was hot enough to blister my palm... :( ) but not enough to come off. So I eventually cut down the lenght while still green and it cam off easily enough. I applied epoxy to the cut to seal it up and then slapped thickened epoxy over its outside an slid it into said hole. I have previously put unthickened eopxy inside the hole usinf a bottle bursh to ensure it was good and sealed. Depending upon how well it looks when all trimmed off (no voids), I may even vee out where it joins the timber and re-seal just to be sure it is a good waterproof seal as I don't want any seepage into the timber there.

Attachment:
File comment: Wax paper wrapped dowel to make fibreglass shaft tube.
P1000553.JPG
P1000553.JPG [ 3.63 MiB | Viewed 350 times ]

Attachment:
File comment: Dowel wrapped in fibreglass for shaft hole.
P1000554.JPG
P1000554.JPG [ 3.59 MiB | Viewed 350 times ]

Attachment:
File comment: Fibreglass tube in shaft hole.
P1000583.JPG
P1000583.JPG [ 3.59 MiB | Viewed 350 times ]

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 Post subject: Re: My Gentry build
PostPosted: Sun Dec 04, 2011 6:23 pm 
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Joined: Wed Nov 12, 2003 5:25 pm
Posts: 3421
Location: Coastal Georgia
Is that glass tube going to be your shaft log also?

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 Post subject: Re: My Gentry build
PostPosted: Sun Dec 04, 2011 6:26 pm 
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Joined: Wed Feb 17, 2010 5:42 pm
Posts: 1013
Location: Sunshine Coast, Queensland, Australia. Building Gentry.
kens wrote:
Is that glass tube going to be your shaft log also?

No, that is just to seal the inside of "The Hole". I have a bronze log to bolt over.

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