Black Brant III Build

D

Daryl Baker

Member
Started assembling the pcs. this weekend. Used sheetrock screws to secure the bulkheads. I adjusted the transom angle to be at 17 degrees as was suggested. Built the stand from scrap wood. It is probably too high. May cut it down. Need to install two more knees and it will be ready to start gluing together. I am going to use pressure treated yellow pine for the sheer clamps, keelsons, and grass rails. Doug fir for the coaming pcs. Thinking of gluing the sheer clamps onto the hull before fiber glassing the hull. This will allow the bottom fiber glass to go over the sheer clamps and have two layers on the sheer clamps when done. It is still cold outside so will need to heat the garage with my reddi heater. May use some light bulbs in the compartments for heat at night. Got several trees down on my property that need cutting up for next years firewood so I need to split my time between firewood and the boat build.

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Daryl, the boat looks awesome! Fine job! Keep up the good work,you are getting close to the filet work. Do you have all your cups and mixing sticks ready? Be sure and invest in plenty of latex or vinyl gloves,Keep the pics coming,again great job! Brian Rippelmeyer
 
Daryl,

Looks like your off to a good start. Hope to see more of your build. I have been telling a friend he should build one. IWe will be watching for updates.
Keep up the good work
 
I got the epoxy from US Composites (medium) and the fiberglass from Raka. How much do you mix up in a batch and what would be the wood flour to epoxy ratio.
 
How much you mix depends on how large an area you are filleting. Start in the small areas first. Like in the sponsoons, where they won't be visible. Mix the epoxy and wood flour to the consistency of peanut butter and go for it...!!!! Do you have Sams book? If not I suggest that you buy it and read threw it before you start.
 
Thanks for the post. This is the type of boat I would like to get. Introduced my brother to the idea last night at dinner. We both have about the same tools, but he has a two story barn. My third stall is already full.
 
I am going to use pressure treated yellow pine for the sheer clamps, keelsons, and grass rails.
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Pressure treated wood is typically too wet to allow the epoxy to adhere to it. Once you seal wet wood with epoxy it will rot - pressure treated or not. Most pressure treated wood just has the first 3/8 to 1/2 inch of its surface treated and the core of the wood does not have enough chemcials in it to stop rot. I am not aware of any builder on this site over the last decade using pressure treated wood in their boat build. If you are serious about using this material in a boat then make sure the moisture content is the same as the plywood before you seal it in epoxy.
 
I agree with Ray on the pressure treated wood. I assume that by using pressure treated you intend to prevent future problems. Try using a product called CPES on the items selected for pressure treated instead. You can find it on the web. Use it on dry wood and let it soak up as much as it will take, then let the CPES cure well. Dry wood will soak up a fair amount of CPES. You can top CPES with epoxy, paint, or anything similar. I have used the CPES "stuff" on boats and anything wood exposed to the weather and it works well both to restore an item and to prevent future problems.

Keep the pics coming along...

Nice fun project..

Matt
 
One item I have used treated plywood for in a boat....decking with carpet glued on to it..

I have never used yellow pine but it sticks in my feeble mind that it has considerable natural resins and has a strong weight to strength ratio...
 
Got several trees down on my property that need cutting up for next years firewood so I need to split my time between firewood and the boat build
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Daryl, make sure you reserve time to make at least ONE decoy.......What good is a hand made boat without hand made decoys????
 
Daryl , I got some pallet lumber that I think was yellow pine. Very hard, think it could replace oak. Wide grained difficult to pound a nail into it. Yellow pine doesn't grow this far North so it was a new lumber for me. There was some resin near the knots which I think you could remove with thinner. This would make the epoxy adhere to the wood. I would repeat what others said don't use treated lumber.
 
Daryl,
Looks like you are off to a good start. As others have said, pressure treated wood may give you grief. Why not go with doug fir for keelson/shearclamps as the material list for the boat states? They will hold up fine.


-Bill
 
Daryl, I would stick to what the plans call for,I did, and everything worked really well,I used mahogany on my sheer clamps,no worries or issues so far, good luck,it looks great! Keep up the good work! Brian Rippelmeyer
 
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