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-   -   starting my 1972 20' seacfrat (http://www.classicseacraft.com/community/showthread.php?t=23584)

dandub20 10-02-2012 10:35 AM

a little progress
 
3 Attachment(s)
transom is done, used 2 sheets of 3/4 penske. new center stringer, just waiting on fuel tank so i can get the floor done, hopefully next week. I still have to re-core the gunnel cap just need to figure out a way to get it to the shop.

thehermit 10-02-2012 11:56 AM

talk about starting with a clean slate....some nice work here! Keep it up

Sceptre20 10-02-2012 03:43 PM

I see where that is a 1972 and it has the box stringers,when did Seacraft go from the 4 smaller stringers to the 2 box stringers? I thought it was 1973. And does one type have an advantage over the other.I have a 74' and a 72 and am just curious.

dandub20 10-05-2012 06:24 PM

Quote:

Originally Posted by Sceptre20 (Post 208106)
I see where that is a 1972 and it has the box stringers,when did Seacraft go from the 4 smaller stringers to the 2 box stringers? I thought it was 1973. And does one type have an advantage over the other.I have a 74' and a 72 and am just curious.

this is my first project, and have very little knowledge. I really know nothing about the foam stringers, whether good or bad. I just found the boat on craigslist, looked at it for a few weeks and scratched my head got some ideas from this site and some friends and started tearing it apart.

dandub20 10-05-2012 06:27 PM

thanks hermit, hopefully ill have some more pics up in a couple weeks. still waiting on a fuel tank before i can get the floor done and i need to figure out how i am going to get the gunnel cap across town to the shop where im getting the work done. was thinking about calling a toe company and getting a roll off over here and puting on that and strapping it down

Tiny 10-05-2012 08:30 PM

Depending on your trailer, you might able to screw plywood sheets to the bunks and transport it on there?

TooFly 10-05-2012 09:03 PM

Quote:

Originally Posted by Blue_Heron (Post 201652)
What you describe is recoring; replacing the wood core in the laminate.
Dave

"Tear out bad wood. Put in good wood."

- Delbert McClintock


Sorry. Feeling a little geeky this evening. :D

Nice work, Dan!

Paul

Bushwacker 10-06-2012 11:57 AM

Quote:

Originally Posted by Sceptre20 (Post 208106)
I see where that is a 1972 and it has the box stringers,when did Seacraft go from the 4 smaller stringers to the 2 box stringers? I thought it was 1973. And does one type have an advantage over the other.I have a 74' and a 72 and am just curious.

That's what I thought too - have never seen a '72 with the box stringers. Does the boat have a HIN engraved in transom at top outer area on stbd side? If so, it's a '73 because they weren't required in 72. Of course if the transom was previously replaced from outside, they might have removed the HIN. Boat has obviously been apart before because those longitudinal ribs on hull sides were not OEM.

I personally think the 4 smaller stringers would provide more uniform stiffness to the bottom of the hull. They would also create a stiffer "I-beam" when deck is bonded to top of stringers because you'd end up with twice as many vertical ribs in the beam. The box stringers probably require less glass and resin, so I'm pretty sure they were a cost savings. However the basic layup in all the Moesly and Potter boats is so stout compared to the average boat that either stringer configuration is way more than adequate!

dandub20 10-07-2012 07:59 AM

Quote:

Originally Posted by Bushwacker (Post 208282)
That's what I thought too - have never seen a '72 with the box stringers. Does the boat have a HIN engraved in transom at top outer area on stbd side? If so, it's a '73 because they weren't required in 72. Of course if the transom was previously replaced from outside, they might have removed the HIN. Boat has obviously been apart before because those longitudinal ribs on hull sides were not OEM.

I personally think the 4 smaller stringers would provide more uniform stiffness to the bottom of the hull. They would also create a stiffer "I-beam" when deck is bonded to top of stringers because you'd end up with twice as many vertical ribs in the beam. The box stringers probably require less glass and resin, so I'm pretty sure they were a cost savings. However the basic layup in all the Moesly and Potter boats is so stout compared to the average boat that either stringer configuration is way more than adequate!

ya when i got the boat the top half of transom was replaced and they cut off top 2/3 of the skin and left the bottom 1/3 of the rotted transom so there is no hin but my title says 72'

dandub20 10-07-2012 08:01 AM

Quote:

Originally Posted by Tiny (Post 208255)
Depending on your trailer, you might able to screw plywood sheets to the bunks and transport it on there?

ya i was thinking about that, but i think the easiest thing is to spend a couple bucks and get a roll off over here.


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