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kayakerlarry

Cape Cod Nimblet Knockabout by Kayakerlarry - Scale 1:24

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I previously posted a topic on how to take lines/plans off photos for a very basic sailboat that I learned how to sail in way back when...the camp in Maine where I went had four of these boats and I would like to build scale models of the four boats (named the Loon, Gull, Hawk and Falcon) for the 100th anniversary of the camp next August and donate them at the event.  Obtained this brochure page from the president of the company that manufactured this boat (Cape Cod Shipbuilding Company) but no other records exist.  I do have several pictures of the boats under sail from old camp pictures and a memory of how they worked but if anyone can provide any additional pointers that would be very helpful.

 

Didn't have any responses so I decided to just dive in to the project.  

 

 

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Four of these boats that were purchased by Camp Wohelo were eventually purchased by Camp Hawthorne

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Here are the boats on Panther Pond, Camp Hawthorne, Raymond, Maine.  BTW, the skipper in the first picture is yours truly during my stint as Sailing Counselor in 1967...

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Current progress to follow...

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Hi John,

 

Not a Gunter rig - it's a simple sloop rig with metal sail track and slides on both the mast and boom - see specs in the 1936 brochure that was provided to me by the boats original builder, Cape Cod Shipbuilding Company.  The problem I'm going to have is that I still "vaguely" remember all the parts and will now have to properly model them to scale.

 

Larry

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Plans are mostly complete and ready to cut the bulkhead frames for the mold.  Based on my correspondence with the current president of the original manufacturer (Cape Cod Shipbuilding Company) they "built wooden boats upside down, which assured better quality".  Therefore I will use the same mold methodology as I started (and put on hold for this project) for the New Bedford Whaleboat.  As a rounded bottom with no protruding keel I will need to modify the process from the Whaleboat but I'll determine that as I proceed.  To get a lot of my dimensions I have used the two boats in the 7 and 8 o'clock positions in the 1936 sailing unit picture above using ratios between known measurements and photo measurements (as best I could) - obviously the angles hamper a "true" measurement but unless someone has a better suggestion this will be the "answer"...

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Mold  cut, camphered and glued.  Reasonability happy with how the frame molds came out as they seem to be a decent representation of the actual hull shape in the pictures. Next step will build the horses and mount mold to horses, cut and laminate bow keel pieces, cut and install 2 keel pieces with centerboard slot (note the slots for the flat keel pieces so I can keep the rounded hull bottom when planking)

 

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Wasn't happy with the lay of planking at frame #1.  Obviously my hand drawn lines were not quite right.  Will add a few pieces of planking wood to build up the extra space and sand to achieve more realistic lines.  Soaked planking and shaped by putting into cut out for frame #1.  Let's hope this works.

 

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Planking finished...

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and sanded...but was a little too aggressive in midsection where marked trying to get smooth but a 1/32" plank can't be sanded too much!

 

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so tried my first attempt at using wood filler which seemed to work pretty well.  Used Exacto for "putty knife".  Will sand next and then remove from mold and work on internal frames to give some stability.

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Thanks, all.  

 

Moab - I just hope I can complete all four boats by next August!  My current plan is to donate the first two I build (Loon and Hawk) to camp (Loons and Hawks are around Maine lakes), the third (Gull) I keep as that bird is certainly common on the Maine coast where I live and the fourth (Falcon) will either go to my cabin counselor who introduced me to sailing when I was 10 or to son of the camp director who was a year ahead of me and as trumpet players we both played taps on the lake.  Hopefully my next four months working at H&R Block don't interfere with my modeling...could be some long days after April 15th!

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Removed from mold without much problem.  Had to put a bit of carpenters glue "caulking" between a few seams to strengthen the thin sections from the inside.  Thank goodness for my dental tool plaque remover to scrape off a few protruding glue burrs.  Light sanding and now building the stand to work on inside - frames next.

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Ready to rock and roll...good thing I only have to build one mold and one stand for the four boats!  Frames are up next.  Measured the beam width and it comes up short but I think I can expand the flexible midsection when I build the frames so they push out the sides.IMG_3054.thumb.jpeg.9088ba6f3f9cc79ed2e378c1b4b3bc22.jpeg

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Frames for floorboards installed in stern.  Next up build centerboard trunk and then install remaining frames on either side of centerboard.  Remaining frames all cut (actually have outlined 3 remaining sets of frames on 1/16" sheet so there won't be any design work involved on next 3 boats).  Then will install frames up from floorboard frames to top edge of planks on both sides - that should provide good stability so I can address the weak seams in the mid-ship planks.  This time I remembered to deal with mounting blocks before it's too late so I have something to drill and insert brass rods (see circles).  Mast is marked to go right in front of centerboard trunk.  Thinking ahead I think one of my biggest challenges will be how to build the metal sail track sliders on the mast and boom and then the slides attached to the sails - if anyone has any ideas would be much appreciated.

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Slow and steady with frames and centerboard.  Beam is now correct width by using CA glue on upper frames to hold out sides.  However, this extra pressure put a bit of stress on planks and seams have separated a bit but should be able to go over with wood filler and make invisible.  

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Frames complete and from my past "learnings" 1/16" holes drilled into blocks ready for brass rod for mounting on base BEFORE decking installed.  Also put down another layer of wood filler to fix gaps in plank seams - should be able to sand smooth.  Mast cut and working on mast step.IMG_3091.thumb.jpeg.51bc0728b248300e51b89287055ebfc8.jpegIMG_3092.thumb.jpeg.4cb6861b0320d9ac77b47a53914cc60a.jpeg

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IMG_3118.thumb.jpeg.7bc8cdff55602468190fa8856ad7b9b2.jpegIMG_3120.thumb.jpeg.3167196d051ab66ad2ebbb6401b63280.jpegIMG_3121.thumb.jpeg.76d14da19bc47c24391f4f93d3de221f.jpegIMG_3119.thumb.jpeg.dc37226c64e88e6caecd86d3e62ab313.jpegAnother two days and the Loon (first of four) is coming along.  Next will work on rudder with pintle and gudgeon and tiller.  Rest of interior, deck with cockpit combing all cut out ready for paint and final install.  Mast shaped, boom to be done and then need to figure out how I am going to construct the sail tracks.  Found 9 strand beading wire for shrouds and will see what I can come up with for turnbuckles (certainly nothing like I saw somewhere else on this site...).  Tough to find time to keep this moving with 5 days at H&R Block and 4 grandkids - not a bad problem to have!

 

 

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Getting closer to launching in the lake. Wonderful planking. I hope those tax returns don’t get in the way of the really important things...Moab

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