Saturation Coat

rodot · Post by **rodot** » Thu Jan 13, 2011 5:35 pm

I have just ordered the North Wind plans from Matt and am getting my head around a few things while I wait for the postman.
I was wondering if it would be an advantage to apply a saturation coat of epoxy to the plywood panels as soon as I cut them out. I recon that it would make them a bit tougher and help protect the surface during the building process. It would also make cleaning up any epoxy mess a bit easier.
Interested to know if anyone can see any dramas in that.

Roger

hairymick · Post by **hairymick** » Thu Jan 13, 2011 5:47 pm

Mate, I think it is probably a good idea. The only problem I can see is with the twist in the bottom panels.

Pre-coating will make them tougher to twist into shape.

tx river rat · Post by **tx river rat** » Thu Jan 13, 2011 6:42 pm

I am also building a s@G North wind.
What type of ply are you going to use?
With the number of panels in this build I think you could precoat with out a problem .
Ron

rodot · Post by **rodot** » Thu Jan 13, 2011 7:08 pm

Thanks Guys. At the moment I am thinking of either Gaboon(Okoume) or Hoop Pine depending on cost and quality. I am concidering 1/8 inch ply. I know it will be more difficult but I dont mind a bit of a challenge. Perhaps a strongback like Mick's Southwind build would be the go.
Cheers
Roger

tx river rat · Post by **tx river rat** » Thu Jan 13, 2011 7:32 pm

I would hesitant about using 1/8 ply with as much open space as you will have in that cockpit. I built one from 1/8 ply .
Never again.
Ron

Post by **jem** » Thu Jan 13, 2011 9:04 pm

You could put a coat on but it's not necessary. Be mindful of amine blush issues if the boat sits for a while without being worked on.

rodot · Post by **rodot** » Thu Jan 13, 2011 9:57 pm

[quote][/ Be mindful of amine blush issues if the boat sits for a while without being worked on.

quote]

I dont think that would be any greater issue then that area where the scarf joins are epoxied and left to wait. The epoxy I use is suppossed to be immune to amine blush. But i believe that amine blush can be cleaned off anyway. I am certainly not an expert on epoxy though.

Roger

Post by **jem** » Thu Jan 13, 2011 10:06 pm

Oh yea.... the amine blush waxy film definitely can be cleaned off and it's not hard to spot.

I've done some epoxy work, left the hull sit half finished for a while and had to do sanding to take care of some blush that formed once I started working on it again.

Oldsparkey · Post by **Oldsparkey** » Fri Jan 14, 2011 8:43 am

tx river rat wrote:I would hesitant about using 1/8 ply with as much open space as you will have in that cockpit. I built one from 1/8 ply .
Never again.
Ron

I built the Freedom ( decked over ) , several pirogues and canoes ( all open ) using 1/8th inch wood and have never had a problem with them.
The pirogues did have ( 3 ) ribs in them along with three ( 1/4 by 1 1/4 inch ) stringers running the length of the boat to stop any oil canning. They came out at 15 1/2 feet and 32 pounds , the seat weighs 2 pounds. The 14 x 30 Sasquatch weighs 30 pounds ( total weight )
All the boats were glassed inside and outside.

tx river rat · Post by **tx river rat** » Fri Jan 14, 2011 11:37 am

What Chuck doesnt tell you is that he has been building boats for 50 years so is a master at it.
I am going to rephrase my statement. If you plan to use it in rocks are current I would advise against 1/8 ,
!/8 inch wood boats have a hard time where I paddle.
Ron

JEM Watercraft

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