1966 22-2 Diver Rebuild

[Callyb]

Craig, I like the Seafoam too. I sent you a P.M..

Up here in Michigan a 22' boat that can go as skinny as these flattys can sets itself apart plenty. More than once I had another boat come up to us to see if we were stuck while fishing the river....and that was only one season LOL! I can't wait to see what she'll do being quite a bit lighter.

Until next time!

[Callyb]

First off, I owe Rick a picture from a very long time ago... Rick, I told you that my original stringers had a "stiffener" built in. Well, I finally took a pic of a section I have in the shop.


Secondly, I finally got some glass on the stringers. They are far from done, as I will be adding the bulkheads and the knees and then a final "veil" layer to tie everything together.

You will see in the pictures that there isn't any glass on the forward and aft sections of the coffin, this is because I will cover this area when I place the bulkheads in.

I did all of the lay-ups by myself with medium hardener in 65-70 degree temps. Thank goodness it wasn't warmer because it was really pushing the edge of how fast I can work. I did my typical method of wetting out on the table, but with these long pieces I roll them on a piece of pvc to make it easier to place in the boat. I mark everything out with guidelines to minimize the amount of pulling/shifting of the glass once it is in place. All said and done, I had about 4 hours from start to finish.







Til next time!

[CLM65]

Top notch work as usual, Carl

What size fuel tank are you going to put in there?  I guess it is fairly narrow?  I ended up basically notching the inner sides of my stringers to fit my tank.

[RickK]

The full length shots by yourself must have been tough and yet it still came out superb

The stiffeners where split PVC?  That's different.  Maybe you could have run wires through them also?

[Callyb]

The full length shots by yourself must have been tough and yet it still came out superb

The stiffeners where split PVC?  That's different.  Maybe you could have run wires through them also?

Thanks Rick, not as nice as yours though.... The stiffener (???) was just molded into the shape. In fact, if you look closely you can see that it is just filled with bedding compound. strengthening the top of the stringer is the only purpose I can see it serving.

Top notch work as usual, Carl

What size fuel tank are you going to put in there?  I guess it is fairly narrow?  I ended up basically notching the inner sides of my stringers to fit my tank.

Thanks Craig, it is a 55 gallon poly tank, 28"x 44"x 12".

[RickK]

Carl, in hind-sight I think your way of making the form of the stringer is the way to go - what simplicity - genius.   
I wish I would have thought of it.
That's the beauty of this site is there are so many things you can learn from other members as they do a rebuild.  I learned the "weighing" resin method from you too and it is spot on for mixing resin quantities - any kind of resin.

For the members that are doing a rebuild, if you have a question don't hesitate to ask, that's what this site is about.  If you're lucky and a Master Rebuilder comes into the conversation to offer help it doesn't mean they are an expert, just that they made it through a rebuild and have probably made the mistakes you don't want to and can advise what not to do along with what worked for them.
We're all here to help. We don't do this for a living, we're just guys and gals with boats that need fixin' and need and/or offer help.

[Callyb]

Well, after a few days of going back and forth on how I wanted to approach doing my bulkheads, I settled on vacuum bagging the skins onto the foam. The foam btw, is a 3lbs density foam (from work )... I am not sure of the actual brand, but the composites guys told me it is a high quality product, so I'm in.

Anyway, I did 3 layers of 1708 for the skin, this will reinforced with four layers of 1708 tape once I place them into the boat. This should compensate for the lower density of the foam and give me a transverse lamination (between the longitudinal stringers/hull and the bulkheads) of roughly 7/16", plenty to transfer the forces across the foam.

I started bagging last night and left them under pressure until this morning. I haven't removed them from the bag yet, but I will after work and get some pics of the finished pieces posted.

The point where I remembered to take pictures... I decided on two separate bags because of the ease of handling. On the right I have the R/H bulkheads already under pressure, on the left are the L/H bulkheads ready to be wet out.


Both bags going... Note the vise grips clamping off the left bag.


I could only pull 26ish inHg, which may have been a full pull for the day???


Picked up a full roll of spiral wrap on ebay for a good price, this stuff makes great manifold material.

 
I get some pics up after work tonight.

Have a good day everyone!

[CLM65]

Awesome!

[Callyb]

I got them out of the bag, and I have to say, for not using peel ply and bleeder cloth I think they came out pretty good.

I still need to clean up the excess resin that was pulled from the glass, but you should get the idea.





cae out pretty flat and fair


Like I said in my previous post, the core is a 3lbs density foam. The reason there is a piece of 2x4 on it is because I want to do a quick (and very unscientific) test of the compressive strength with the 3 layers of 1708 (epoxy resin) on it. Well, I am 220lbs and I could stand and bounce on that piece of 2x4 (on end, as it sits in the pic) and it felt as solid as the concrete floor underneath it. Yes, I am very happy about that.


Until next time,

[RickK]

Sweet 

Nicely done Carl

[Capt. Bob]

This is a good illustration of the "sandwich" composition I was referring to in Que Pasa's rebuild thread.  You can see how with little increase in actual structural strength you can still equate to a huge increase in functional ability. The fact that you "point loaded" your component is even more telling in how much you gained in both aspects.

Great stuff.

[Callyb]

Thanks for the kind words.

I just wet out and got the last of the bulkheads under vacuum. I got a perfect seal right away!

I'll let these guys sit overnight and planning on installing them tomorrow.


Sorry for the blurry picture...

[RickK]

Does the vacuum pump run constantly?
I haven't used my setup since I did the floor and hatches, which seems like years ago   I was thinking then that I needed a storage tank of sorts to give the pump a break.

[Callyb]

Depends... I have let it run for 8-10 hours and I have clamped off the bag and let it go. If the bag is sealing 100% then clamping is my preference, but if I want to make sure I have good pressure on the part throughout the cure I will leave the pump run. My pump is an A/C pump (oiled pump), and I am not afraid to let it run all night if that is what it takes to get a good laminate.

[Callyb]

Got the bulkheads in today. I still have the forward transom closure to install (as a bulkhead) and one more for under the livewell, but it is something new to post, so here it is...



The "rod locker" (only the one side shown) which will also serve as a fish hold sometimes... Note; this area spans the dive door area. This will ensure access to the hinges.