1981 Sportcraft 270 repair underway - transom, stringers, & repower

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WalleyeSniper

Petty Officer 2nd Class
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I did foam the entire boat but not like anyone else. Plus it works hahahah, drains front to back all day long.
Damn, that's a really clever way to foam a boat. I don't think I've ever seen that ANYWHERE before lol.

That's one way to get maximum flotation, yet still letting each compartment get air and flow water right back out the boat. That's a really smart way to do it. I'm surprised some big company hasn't snagged that method up yet to start incorporating into their hulls! Lol
 

kcassells

Fleet Admiral
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Damn, that's a really clever way to foam a boat. I don't think I've ever seen that ANYWHERE before lol.

That's one way to get maximum flotation, yet still letting each compartment get air and flow water right back out the boat. That's a really smart way to do it. I'm surprised some big company hasn't snagged that method up yet to start incorporating into their hulls! Lol
I knew you were an Intelligent fella! lol!
 

WalleyeSniper

Petty Officer 2nd Class
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May 15, 2018
Messages
108
I keep forgetting.... patent pending.
Well, I may have to infringe on your patent pending idea and definitely going to do mine the same, lol.

I still, for the life of me, cannot figure out how much foam I need to get neutral buoyancy or how much to keep my boat floating to be pulled to the dock even if filled like a bathtub. Lol

I've tried using the calculators, tried understanding the long drawn out explanations about it, but I still have a really hard time understanding how to figure out what I need. My boat's dry weight is 5,510lbs factory. Don't know if it'll go up or down in weight by time I'm done with it. I'd imagine it'll go down slightly since I'm using more precise methods rather than chopgunning the whole thing.

5600 - Boat
750 --- Fuel
50 ----- Engine Fluids
160 --- Freshwater/Waste Tanks
500 --- Gear & Extra Equipment
1500 - Humans

8,560 lbs, absolute Total Weight in water

Boat:
27 LOA
10 beam

Every time I try to figure out what I need as far as foam goes, I end up with WAYYYYYYY more than what I've seen anyone EVER put in their boats (I figured 28 gallons of that 2-part foam. But, I know that's way off the mark). So... How much foam did you use in your boat overall?
 

WalleyeSniper

Petty Officer 2nd Class
Joined
May 15, 2018
Messages
108
Stringer #2 is now out, and ready for grinding, cleaning, finish prep, and then the new install of the new stringer. This time, I'll be working from front to back, so I end up being able to put joints at the different locations relative to the mirrored stringer I already put in.

I don't think there's any real reason for me to not put the joints at the same exact spot, but mentally it'll just make me feel better knowing that I don't have any "hinge points" for the hull to snap at, in case my work ends up being the Dr. Suess equivalent of boat building.

But, here's some pics to show the slow and tedious progress.

Screenshot_20211017-001846_Gallery.jpg
Midship area and into the cuddy area.

Screenshot_20211017-001922_Gallery.jpg
Cockpit/fishing area of the boat.

For some reason, someone poured a whole a**load of epoxy onto the top surface of the red factory glass in many areas in what appears to be an attempt to stop the delaminations that were happening all over the place. It is an absolute NIGHTMARE trying to cut through or grind through and remove. If you even look at this stuff the wrong way it gives you problems! So... now I see why so many people go with epoxy on their forever/lifetime boats, that crap is so rigid, hard, and insane to remove. The angle grinder cuts through the glass quicker than a wink and a blink, but it hates having to try and chooch through that epoxy crap they've just dumped everywhere.
 

kcassells

Fleet Admiral
Joined
Oct 16, 2012
Messages
8,732
Well, I may have to infringe on your patent pending idea and definitely going to do mine the same, lol.

I still, for the life of me, cannot figure out how much foam I need to get neutral buoyancy or how much to keep my boat floating to be pulled to the dock even if filled like a bathtub. Lol

I've tried using the calculators, tried understanding the long drawn out explanations about it, but I still have a really hard time understanding how to figure out what I need. My boat's dry weight is 5,510lbs factory. Don't know if it'll go up or down in weight by time I'm done with it. I'd imagine it'll go down slightly since I'm using more precise methods rather than chopgunning the whole thing.

5600 - Boat
750 --- Fuel
50 ----- Engine Fluids
160 --- Freshwater/Waste Tanks
500 --- Gear & Extra Equipment
1500 - Humans

8,560 lbs, absolute Total Weight in water

Boat:
27 LOA
10 beam

Every time I try to figure out what I need as far as foam goes, I end up with WAYYYYYYY more than what I've seen anyone EVER put in their boats (I figured 28 gallons of that 2-part foam. But, I know that's way off the mark). So... How much foam did you use in your boat overall?

Yea but I haven't seen too many boats here with 18" - 24" height stringers.
1634465568888.png
 

kcassells

Fleet Admiral
Joined
Oct 16, 2012
Messages
8,732
Well, I may have to infringe on your patent pending idea and definitely going to do mine the same, lol.

I still, for the life of me, cannot figure out how much foam I need to get neutral buoyancy or how much to keep my boat floating to be pulled to the dock even if filled like a bathtub. Lol

I've tried using the calculators, tried understanding the long drawn out explanations about it, but I still have a really hard time understanding how to figure out what I need. My boat's dry weight is 5,510lbs factory. Don't know if it'll go up or down in weight by time I'm done with it. I'd imagine it'll go down slightly since I'm using more precise methods rather than chopgunning the whole thing.

5600 - Boat
750 --- Fuel
50 ----- Engine Fluids
160 --- Freshwater/Waste Tanks
500 --- Gear & Extra Equipment
1500 - Humans

8,560 lbs, absolute Total Weight in water

Boat:
27 LOA
10 beam

Every time I try to figure out what I need as far as foam goes, I end up with WAYYYYYYY more than what I've seen anyone EVER put in their boats (I figured 28 gallons of that 2-part foam. But, I know that's way off the mark). So... How much foam did you use in your boat overall?
Make the calc after all you woods in.
 

kcassells

Fleet Admiral
Joined
Oct 16, 2012
Messages
8,732
Well, I may have to infringe on your patent pending idea and definitely going to do mine the same, lol.

I still, for the life of me, cannot figure out how much foam I need to get neutral buoyancy or how much to keep my boat floating to be pulled to the dock even if filled like a bathtub. Lol

I've tried using the calculators, tried understanding the long drawn out explanations about it, but I still have a really hard time understanding how to figure out what I need. My boat's dry weight is 5,510lbs factory. Don't know if it'll go up or down in weight by time I'm done with it. I'd imagine it'll go down slightly since I'm using more precise methods rather than chopgunning the whole thing.

5600 - Boat
750 --- Fuel
50 ----- Engine Fluids
160 --- Freshwater/Waste Tanks
500 --- Gear & Extra Equipment
1500 - Humans

8,560 lbs, absolute Total Weight in water

Boat:
27 LOA
10 beam

Every time I try to figure out what I need as far as foam goes, I end up with WAYYYYYYY more than what I've seen anyone EVER put in their boats (I figured 28 gallons of that 2-part foam. But, I know that's way off the mark). So... How much foam did you use in your boat overall?
No problem. Let me know if I can help.
 

WalleyeSniper

Petty Officer 2nd Class
Joined
May 15, 2018
Messages
108
How's it going?
It's going pretty good, just kinda on pause for the next 2wks as the temps here had been extremely low. I didn't want to do anything structural or etc JUSSSST in case I had a heating failure or etc during curing of things lol.

I'm all setup nice now, though, as far as tarped in and able to heat more efficiently. So, should resume here in about a week, or possibly 2 at the latest. 🙂

How's everything been going for you lately? Anything new or exciting?
 

kcassells

Fleet Admiral
Joined
Oct 16, 2012
Messages
8,732
It's going pretty good, just kinda on pause for the next 2wks as the temps here had been extremely low. I didn't want to do anything structural or etc JUSSSST in case I had a heating failure or etc during curing of things lol.

I'm all setup nice now, though, as far as tarped in and able to heat more efficiently. So, should resume here in about a week, or possibly 2 at the latest. 🙂

How's everything been going for you lately? Anything new or exciting?
Retarped, new heater and starting to get back into the wiring. Finally got the bilge pumps/switches under control.
 
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