Largest Semi-Trailerable Sailboat ??? - Page 11 - SailNet Community
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post #101 of 116 Old 06-23-2013
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Re: Largest Semi-Trailerable Sailboat ??? Seafarer trailer project

Since some you may be building, if I can get it work I'll post some pictures of the trailer project... from the initial donor trailer to what it was under the Bucc, to the 1st mods for this Seafarer and the second mods (rebuild) where it is now. This trailer started life in the 50s or 60s as an old flatbed hauler. It was then stretched by a previous owner via a totally cobbled together tongue extention for his 26 ft cruiser. (pic1) Thats how it was when I bought it in 07. I couldn't handle the cobbled up tongue and totally rebuilt the trailer from the ground up... adding two 20 ft 6"C channels that extended the bed to 24 ft plus another 7 ft into a wrap around tongue and a sliding triple subframe setup. That build took 3 weeks full time 12 hours days (pic2).

I used it this way for 5 years under the Buccaneer, never did get it painted in that life.

Then I bought the Seafarer 30 but it was in Baltimore. I confess I didn't think that through enough, but what it is, is what it is.

Now I need the Bucc off the trailer... none of the local Ohio river could get it high enough to transfer to a yard jockey I built for it setting on top of my flatbed... so I ended up building my own lift. Finally had my trailer freed up to mod for the Seafarer. Since it was so late in the season, I decided not to sell the Bucc until spring.

Installed new Dexter axles due to going to gastopo land, raised the bunkers and added a bow support for rocking control and headed to Baltimore. Set the boat on it... (pic3), but I was not comfortable with the tall bunker support needed, welder issues, and decided to overwinter and redesign the trailer for this boat proper.

Got it home and removed everything that was not needed. Found a freeware Cad program and began designing and engineering. Designed a drop frame system that carries a keel trough as well as held the vertical 2x2 for the center four Brunnel screw pads (pic4).

This spring when the weather warmed (open shop) I started building. It was a bear as my back does not handle heavy lifting anymore and there is no overhead hoist or heavy structure to lift from in that building.

The whole cradle and trough system and the totally rebuilt and stretched totally custom triple group subframe and suspension is movable along the main frame rails... abet with a lot of unbolting and labor... but its not welded in. Didn't have to move it. I worked and worked with the one drawing I had and some measurements I had to determine the exact CG for that keel. Spreadsheets are a wonderful invention. I was within an inch of my anticipated placement for 1200lbs tongue weight (pic4).

I then installed (took the new welder, Baltimore's weather and a bad tarp killed my old one last year) and set up the brunnel wedge frames and screwpads for for and aft support. I could not build these until the boat was in place. Finally it was ready to setup the DOT wideload stuff and strapped it down. Trailer fit the boat like a glove now.

Took it to the closest truck stop and scaled... 22700... 1000 lbs heavier than it was supposed to weigh. Packed up all the tools and welder and boxed up a pallet to send them home via R&L. removed 665 lbs is all but it all counted as I was in gastopo land and the published max for my 01 Dodge was 21800.

I messed up... I should have stopped for a picture in the Alleghenies along the interstate but did think about it. I was more concerned with negotiating the 5 and 6% multi mile downgrades.

Home (pic5)

PS only 5 pics allowed, but you get the idea.... I have a 100 or so from all the trailer builds and mods since 07. If you want to know any details or the engineering... PM me.
Attached Thumbnails
1a-300 dollar extended tongue flat bed I started with.jpg   100_1896.jpg   DSCF0008.jpg   100_0321sm.jpg   100_0319sm.jpg  


1980 Seafarer Swiftsure 30
1978 Bayliner Buccaneer 270 (now sold and being restored in FL)
1962 SeaMac 14' Plywood Runabout, mahogany decked, with 1959 Evinrude 35 Big Twin (owned since age 17, I'm now 60)

Last edited by dem45133; 06-23-2013 at 11:39 AM. Reason: Cant type worth a hoot...
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post #102 of 116 Old 06-23-2013
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Re: Largest Semi-Trailerable Sailboat ???

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float on may be a challenge... it has to pivot down as the bow comes up with the trailer and "land" on the keel within a 1/4" for and aft.

I agree with the "float on" pivot problem. My experience when floating on is that I crank the boat tight to the forward stops, but when I pull ahead and the boat settles onto the trailer it rotates (pivots) on the keel as the trailer rises to meet it, and ends up with the bow several inches back from the bow block. Then I have to winch it forward again.
Hope you can leave more than 1/4 inch play aft for the keel, to allow for the trailer on the tilted ramp rising up to meet the boat floating level. I suppose it's a bigger problem with steeper ramps, but it's easier to float off on a steep ramp so I prefer them.
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Re: Largest Semi-Trailerable Sailboat ???

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Originally Posted by Rhapsody-NS27 View Post
with all these pages of towing/trailering boats, I'm happy with the one I got, a Nor'sea 27. Don't have to worry about tow permits and it's built to go just about anywhere I would want.
I checked out your site and read some reviews. Looks like a super sweet sailboat! No wonder you are happy with it. I've never seen one, but will keep an eye out.

From bending sheet metal on a brake, I know that each bend adds a lot of rigidity. I imagine that "clinker built" shape makes for a very rigid hull!
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post #104 of 116 Old 06-23-2013
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Re: Largest Semi-Trailerable Sailboat ???

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I checked out your site and read some reviews. Looks like a super sweet sailboat! No wonder you are happy with it. I've never seen one, but will keep an eye out.

From bending sheet metal on a brake, I know that each bend adds a lot of rigidity. I imagine that "clinker built" shape makes for a very rigid hull!
They definitely have a good following with many happy owners. Many think it's a wooden boat because of the lapstrake shaped hull but it's all fiberglass and it adds to its beauty, with lots of wood inside it. It's built to go anywhere. 4 of them have circumnavigated and others tend to travel often.

Seeing you are in Maine, I saw this one for sale that's closest to you.
1976 Nor'Sea Sailboat
The asking price seems high to me but that's just from the limited info shown.

They are usually sold between people through the Yahoo owners group. If you were interested in getting one, join the group and post a message of your interest. Never know what comes up. Just know, even for the age, they tend to sell higher than other boats of the same vintage.

Good Luck!

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post #105 of 116 Old 06-23-2013
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Re: Largest Semi-Trailerable Sailboat ???

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I agree with the "float on" pivot problem. My experience when floating on is that I crank the boat tight to the forward stops, but when I pull ahead and the boat settles onto the trailer it rotates (pivots) on the keel as the trailer rises to meet it, and ends up with the bow several inches back from the bow block. Then I have to winch it forward again.
Hope you can leave more than 1/4 inch play aft for the keel, to allow for the trailer on the tilted ramp rising up to meet the boat floating level. I suppose it's a bigger problem with steeper ramps, but it's easier to float off on a steep ramp so I prefer them.
the through has a good 14" inches it can run fore and aft in... but it has to be very close to proper location for the weight balance (tongue weight). At the moment is not rollered... just pads. I have some ideas on locking pivots, one on each side to guide the boat fore and aft as it pivots... more weight though.

1980 Seafarer Swiftsure 30
1978 Bayliner Buccaneer 270 (now sold and being restored in FL)
1962 SeaMac 14' Plywood Runabout, mahogany decked, with 1959 Evinrude 35 Big Twin (owned since age 17, I'm now 60)

Last edited by dem45133; 06-23-2013 at 05:57 PM.
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post #106 of 116 Old 06-23-2013
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Re: Largest Semi-Trailerable Sailboat ???

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the trough has a good 14" inches it can run fore and aft in... but it has to be very close to proper location for the weight balance (tongue weight). At the moment is not rollered... just pads. I have some ideas on locking pivots, one on each side to guide the boat fore and aft as it pivots... more weight though.
OK, now I understand. That 14 inch play in the trough sounds good. When she comes out wet and slippery a good winch should pull it forward the last couple inches.

My boat is not rollered either, just bunks. Yet with the chalky ablative bottom paint that dried to the bunks all winter holding her, I was still able to boost her ahead 6 inches, a bit at a time, by reaching over my head to the stern and shoving and shoving. Probably not that good for my back, but it shows that sliding isn't that difficult.
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Re: Largest Semi-Trailerable Sailboat ???

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Originally Posted by Rhapsody-NS27 View Post
They definitely have a good following with many happy owners. Many think it's a wooden boat because of the lapstrake shaped hull but it's all fiberglass and it adds to its beauty, with lots of wood inside it. It's built to go anywhere. 4 of them have circumnavigated and others tend to travel often.

Seeing you are in Maine, I saw this one for sale that's closest to you.
1976 Nor'Sea Sailboat
The asking price seems high to me but that's just from the limited info shown.

They are usually sold between people through the Yahoo owners group. If you were interested in getting one, join the group and post a message of your interest. Never know what comes up. Just know, even for the age, they tend to sell higher than other boats of the same vintage.

Good Luck!
I'd love to own one, but I'll just enjoy them from a distance, too pricey for me at this time. I like to sail as cheaply as I can, so I don't feel too guilty. I'm not going on long offshore passages, just fooling around the coast line and larger lakes.

I can surely appreciate quality though, and if I see one for sale I'll check it out.
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post #108 of 116 Old 06-23-2013
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Re: Largest Semi-Trailerable Sailboat ???

Gawd I'd hate to think of rigging and launching those beasts for a day sail.

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post #109 of 116 Old 07-26-2013
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Re: Largest Semi-Trailerable Sailboat ???

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Gawd I'd hate to think of rigging and launching those beasts for a day sail.
I do not know about others, but we're not really looking at day sails... but vacation sails at whatever body of water we choose, and summer slips where ever we choose on Lake Erie is the plan.

Wondering about what it would take to sail say from just north of Detroit MI on Lake Huron, up and around and down Lake Michigan to Muskegon. We have friends in between Muskegon and Detriot on I96 where we could leave the truck and trailer for a month or whatever. Who knows yet... just wondering out loud... maybe simply be too far to do in four weeks and not be too much like work. Its a ways around there.

BTW, the replacement Farymann S30 (V twin) is home now. 900 hrs is all it has... and was a running takeout due to bad hull mounts... he decided to re-power with more horse in his 38 ft 20000 lb sail and since that would have required the same work on the engine bed as a repair would need, he decided now was the time (well two years ago). The engine pushed it 30 miles the day before it was pulled. Its been stored inside. Its now home getting ready to bench it up and test run... may or may not refresh it... depends on oil seepage... if it needs seals I'll open it up and refresh it. It'll almost triple the hp over the single cylinder Farymann that's in this 30 ft Seafarer now. Exactly what I want, hull speed at 1/2 rpm... lost of extra thrust when needed.

I am "collecting" Farymann engines BTW if any of you have any you'd think of parting with. S30, R30, or P22. The V twins. Complete is preferred, but will considier others. PM me.

Dave

1980 Seafarer Swiftsure 30
1978 Bayliner Buccaneer 270 (now sold and being restored in FL)
1962 SeaMac 14' Plywood Runabout, mahogany decked, with 1959 Evinrude 35 Big Twin (owned since age 17, I'm now 60)
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Re: Largest Semi-Trailerable Sailboat ???

Four weeks should be plenty for that trip even if you take your time and enjoy the scenery. If you enjoy the scenery too much you can always pull out somewhere north and not have much more driving from the middle of the state.
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