Day 29 - Taping forward chine shelves

It just took an hour or so but I'm trying to be honest about my timelog on boat work... I taped both sides of the chine shelves on the forward half of the boat. I took a few minutes to feather the taped area aft of the scarf so I'd have a smooth seam and it looks real good. Saving time when you put epoxy on saves 5x that when you're trying to sand it off later to prep for paint.

Day 28 Finishing Fairbody II

Just had a couple of hours to work after we had a bunch of camp counselors over for the weekend from my daughter's summer camp. Kids sleeping all over the place... Several were interested in the boat. We really should have more wooden boat courses for young folks. What happened to the 60's where there was a plywood boat being built in every garage on the block?

I installed the second 1/4" panel and it went on perfectly. Today I'll fillet and tape the seams. One of my scarfs came out just right, nice and flat. The other had the panel riding up just a bit so it's high. A few minutes with the grinder and some fairing putty will fix that. I still like it better though when they come out flat.

Tomorrow I'll fillet and tape the chine shelf forward and tape the fairbody forward as well. My son comes home from college tonight, just in time to help me wrestle the side panels into place later this week. ;-)

Day 27 - Finishing Fairbody

I've glued on the first side of the 1/4" to complete the fairbody. It went on just fine with just a little trimming at the chine shelf. I have the other ready to go on later tonight.
Tomorrow I'll put a fillet on the chine shelf and tape it. Then it's time to start fairing the stem and marking the sides for their scarf lines.

Day 26 - Transom Trimmed

I've been busy at work the last few days so I've only had an hour or so to work. Funny how a job can slow down your boat building fun. I trimmed the transom by cutting off the extra stringer length and bottom so that it looks nice and finished back there. I will lay in a piece of glass right over the stringers so I used my grinder to create a bit of a feathered, hollow for the glass thickness. After glassing them in I can add fairing filler and epoxy and bring it all back flush. I don't want a couple of ugly "bumps" on what's going to be a nice smooth transom otherwise. Tomorrow morning I'll get started on the two layers of 1/4" to complete the rest of the hull thickness at the bow.

Day 24 - Bottom's UP

I have the bottom on the jig now and things are looking good. It's very fair in the aft part of the hull but I'm seeing the same problem with the stringer angles in the forward section that Stephen mentioned when building his jumbo. As I move the stringers forward things start to line up but the forward tips touch first. I'll do the same thing Stephen did, sleep on it and put a clear head to the problem in the morning. 


I spent some time shaping the bowstem with my power planer and I have a pretty good fit there now. I'm not exactly sure how the sides are to attach to the shelves and still have a fair bow or will the chine shelf extend right to the stem? I'll have to look at some of the photos of the other jumbo's being built. It's nothing a few minutes with a grinder would not fix. My shelves extend right to the stem. I could fair them back to within one inch and end up with a smooth transition between the bottom and sides. It will take some time to get things fair and ready for gluing then the sides will go on. I'm still feeling like progress is good and things are going well. I should have the hull ready to turn by the end of July.

Day 23 - It's in the jig...

Today I got the stringers in the jig and got the bow stem in place with the support arm. Tomorrow I'll do a dry fit with the bottom to see how it all lines up. I'm amazed that with only Renn's rough diagrams and brief text, you can put together a boat and have things all work out so well. Here's a photo of one of the stringers laying in the transom cutout. That's a perfect fit in both directions. It's ready to glue and go!
The way the bow stem support works is cool. You make a jig with a couple of long 2x6's and cut the end at 55 degrees. Then you attach the bow stem with a set distance below the jig and that determines the sheer rise at the bow. Once the bow stem is on you plumb it so it's straight in relation to the rest of the hull. The stem in the photo is straight and fair although the small plank it mounts to is not. No worries...
It's the stem that's important. Tomorrow we'll fit the bottom and position the stringers. Once I'm happy with their position I'll check to see how much fairing will be required. Hopefully I'll have the bottom glued on tomorrow and can start working on the sides this weekend. I'll still have to add the second 1/4" sheets to complete the hull thickness at the bow. I'll have to remember not to get ahead of myself here. ;-)

Day 22 - Putting it together

Today I glued the shelves together at the bow and attached the transom to the shelves at the stern. I also made the center support for the stringers at station #6. I'm checking as I go along to make sure things are square and so far we're right on the money.

Tomorrow I'll install the bow stem and stringers and perhaps have time to do some fairing. I'm amazed at how fast and easy it is to build this boat. I keep waiting for it to get hard and/or tedious but each step has gone well. Renn did a good job figuring out the best way to make good use of common materials to build a great boat.

Day 21 - Shelf 45's

I only had an hour or so to work so I extended the jig and then made the 45 degree 1/2" plywood braces that go with the shelves into the transom. Tomorrow I'll true up the jig again and then mount the transom and bow stem.

I did make some decisions about where bulkheads will be. With the front cabin aft bulkhead at station #6 you have a big 7' forward cabin but add a 6' day cabin to that and there just is not much boat left. I do want to have at least a 6' day cabin so we can get at least one more bunk up there. Brian Dixon had discussed with Renn moving the forward bulkhead 6" forward of station #6.

Day 20 - In The Jig

I have the jig setup and the molds made. I have a question about spacing that I'll post to the Yahoo Tolman group. Sheet 5 shows 196" on the spacing but the jig is only 16' (192") long. That means I'm 4" short of getting the same spacing noted on the drawing. I think part of the problem is the use of "Stations". Station #3 and #6 are 60" apart. Station #8 1/2 is 50" aft of #6. So, does that mean that each station is 20" ? All I really need to know is the location of the last mold. It's labeled ("11 -2"). But where does it go? 118" aft of station #6? Yet the diagram on sheet 5 with the label "mold spacing" shows a mold right at the aft end of the jig. ???

I'm just a bit tired, hungry and thirsty. Not a good time to cut or glue anything. ;-) I'll think on this some and get it figured out.

Update: Yes the 16' jig is too short for the Jumbo. On sheet #6 Renn's plans show an extension that gives room for the last mold. Not a problem. I can add that and we're all set to start putting the boat together! ;-)

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My favorite epoxy? Progressive Basic No-Blush Epoxy

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