Search found 71 matches

by Larry in Champaign
Wed Sep 15, 2010 8:00 pm
Forum: Builders' Forum
Topic: Establishing the sheer line on borrowed forms
Replies: 8
Views: 4373

Measure the distance from the strongback to the keel on ALL of the forms and compare with the profile figures. Are they ALL off by the same amount? If so, just modify the sheer distance UP from the strongback by the difference (subtract 7/8"). The width of the shear should be 16 15/16" for...
by Larry in Champaign
Wed Sep 15, 2010 4:48 pm
Forum: Builders' Forum
Topic: Establishing the sheer line on borrowed forms
Replies: 8
Views: 4373

Measure up from the strongback to the highest point (the keel) on each form and verify that this matches the values given for that stations profile. If these match, then measure up from the strongback to establish the sheer. This is the top of the sheer once the canoe is right side up. Strip up from...
by Larry in Champaign
Tue Jul 13, 2010 7:02 pm
Forum: Builders' Forum
Topic: lofting the ranger
Replies: 4
Views: 2098

Table of Heights does primarily close the bottom. The Profile is the depth at Butt 0". Compare the values for Profile with Butt 2" and you will see there is little difference. Sheer does indeed define the gunnels. The sheer from the Table of Heights gives the Y depth down to the sheer, whi...
by Larry in Champaign
Mon Jul 12, 2010 6:44 pm
Forum: Builders' Forum
Topic: lofting the ranger
Replies: 4
Views: 2098

You have your lofting axis correct. I plot in QuickCad and fudge the points a bit to get a fair curve. In my experience, the points aren't always right on. I didn't plot all of the points for station 0, but I did check the points in question for the Ranger and they are 5/16" apart. I would use ...
by Larry in Champaign
Wed Jul 07, 2010 8:52 am
Forum: Builders' Forum
Topic: fiberglass installation
Replies: 4
Views: 2425

Read fiberglassing 101 from the link shown above paying particular attention to forming the fiberglass to the hull. If you get the glass fitting the hull like a glove, the wet out becomes easy. Have marked measuring cups prefilled with resin so that all you have to do is add hardener and stir before...
by Larry in Champaign
Sat Apr 10, 2010 8:58 am
Forum: Builders' Forum
Topic: Varnish problem/Sunday evening rant.
Replies: 27
Views: 13706

I used Benjamin Moore Impervo 440 spar varnish on US Composites. It is a terific value! Check out this post: http://www.bearmountainboats.com/phpbb2/viewtopic.php?t=3001&highlight=impervo+440 As you can see, I had a similar problem with drying. I think Glenn hit the nail on the head; turn your h...
by Larry in Champaign
Wed Mar 31, 2010 8:10 pm
Forum: Builders' Forum
Topic: Hadn't heard from Dawne lately.....
Replies: 35
Views: 12651

Here are a couple of photos of what I did for the HIN.

Image

Jig pressing in letter.

Image

Letters darkened with roller ball pin. Sorry, but no photos of the epoxied and varnished gunwale.
by Larry in Champaign
Tue Mar 30, 2010 2:49 pm
Forum: Builders' Forum
Topic: Hadn't heard from Dawne lately.....
Replies: 35
Views: 12651

I pressed the HIN into the gunwale of my last canoe using metal punch letters and a simple jig. I filled (blackened) the letters using a roller ball pin and epoxied over them with some T-88 and then varnish. Looks goods...better than the brass plate I stuck on my first canoe. If you want to see a pi...
by Larry in Champaign
Mon Feb 15, 2010 8:21 pm
Forum: Builders' Forum
Topic: Problems and Questions
Replies: 25
Views: 9782

I used laminated gunnels on the solo canoe in my avatar. After glassing the exterior I let the hull set for a couple of weeks before sanding the epoxy. I then used T-88 to glue a 3/16x3/4 strip of cedar to the exterior and after this cured capped it with the same size in walnut. I then took the hull...
by Larry in Champaign
Sun Feb 14, 2010 5:26 pm
Forum: Builders' Forum
Topic: Problems and Questions
Replies: 25
Views: 9782

Take length of 2x, 3-4' long and set one end on the stem and one end on the shear. Transfer the shearline to the 2x and cut along this mark to form your jig. As Glen said, you are only bending for the upturn at the ends.
by Larry in Champaign
Sun Feb 14, 2010 9:52 am
Forum: Builders' Forum
Topic: Problems and Questions
Replies: 25
Views: 9782

If the joints were not starved, you would have had tear out in the wood, not a clean break. Try what I suggested earlier. I agree with others that the joint looks better when vertical, but this doesn’t appear to be the problem with your breakage. Steaming is not wrapping in hot or boiling rags. The ...
by Larry in Champaign
Sat Feb 13, 2010 7:49 pm
Forum: Builders' Forum
Topic: Problems and Questions
Replies: 25
Views: 9782

Sounds like the joints might be starved. Try one small batch of epoxy (unthickened) to coat the scarf joints and keep them wet till the epoxy starts to set. Then mixed another batch, thicken this batch, and spread on the joints. When you clamp, use minimal pressure so the joint isn't starved of epox...
by Larry in Champaign
Sun Jan 03, 2010 5:34 pm
Forum: Builders' Forum
Topic: following sheer line
Replies: 10
Views: 3776

After the strip is glued on, I use a dab of hot glue on the corner created by the strips and mold (side of the forms closest to the stems) to hold the strips firmly against the molds. You can probably get away with every other strip, or do every strip if you wish. The reason for doing this on the st...
by Larry in Champaign
Wed Dec 30, 2009 7:10 pm
Forum: Builders' Forum
Topic: Have I wrecked my strips?
Replies: 4
Views: 2217

How secure are your strips on the router table? Describe your setup in detail and maybe we can offer some suggestions. Maybe even a photo if possible.

Larry
by Larry in Champaign
Wed Dec 23, 2009 8:31 pm
Forum: Builders' Forum
Topic: following sheer line
Replies: 10
Views: 3776

I'm not certain I understand your problem, but I suspect there may be a misunderstanding regarding the shaping of the stem. Try reading this thread and the links given in the thread.

http://www.bearmountainboats.com/phpbb2 ... php?t=3540

Let us know if you need more help.

Larry