Skin-on-Frame Adventure Rowboat Project Update 2020
Adventure Rowboat
By Steve Schmeck - 2020

The building of this boat took a little longer than I'd planned so I didn't get a chance to use it much last fall (2019). If you got to this page without seeing the boat's build page you can see all of that here: 2019 Build Page. I am back to my original plan of rowing my age in miles some time around my 76th birthday near the end of August, in 48 hours. Plan B is to do my birthday trip in as short a time as I can, then next year try to do the same course with, of course, another mile added at least as quickly as this year's trip.

Our long, snowy season is a great time for boat upgrade planning and this last winter was no exception. In the first section below I have listed a few of the boat-related pieces of equipment I have collected and then, following that will be the details of each of this spring's projects.

Boat projects - 2020Here are most of the pieces laid out on the bench in the boat shop, ready to go.

A - 'Forward-view' mirror and flexible mounting arm
B - Oarlock bushings
C - Anchor rode thimbles
D - Rudder gudgeons & pintles
E - Cleats
F - Cabin hatch support hardware
G - Pad Eyes for attaching gear in cockpit
H - Pin-type oar locks - removable
J - Mantus Dinghy Anchor
K - Nylon anchor rode w/anchor storage bag

I'll be using the next section as my to-do list when I get out in the shop.

(A) Mirror: I'll need to make an easily removable mount for the 'Forward view' mirror. I plan on using that sturdy flexible arm to hold the slightly convex mirror in just the right spot; out of the way and flexible so it won't be damaged if I whack it with an oar or something.

(B) Oarlock bushings: These new nylon oar lock bushings, like the originals that came with my brass oar sockets, are a bit tight on both the Gayco and new stainless steel pinned oarlock stems. I'll set up a jig on the drill press to ream them out for a snug but not too tight fit. If they are too tight the bushings pull out of the sockets when removing the oars.

(C) Thimbles: I got some nice 316 stainless steel thimbles to fit my 5/16" ropes & lines. My favorite source, Duckworks, didn't stock them so these things are one of the few pieces of equipment I didn't get from them. How much anchor rode is enough? Probably 90% or more of my rowing will be in lakes, bays and rivers that are not over 15 feet deep. A good rule of thumb is that the rode should be maximum depth x 7 in length. So for most of my rowing trips 100 feet would be OK. There are a few spots on my summer trip along the north shore of Lake Michigan where the bay is over 60 feet deep 20 feet from shore. I'll try to avoid that area when the wind is blowing toward the cliffs but will also carry an extra 100' of line and hardware to fasten the two lines together. Also, the bag I made to store the anchor and rode in is set up to be used as a sea anchor. It wouldn't keep one off the rocks indefinitely but might give me some time to get my act together and get off shore or to shallower water.

(J) Anchor: I know, 'D' should  have been next but the anchor seems to fit here better. After a lot of research I decided to get a stainless steel Mantus Dinghy Anchor and Duckworks came through in typically great form. They not only had one of these hard to find anchors in stock but it was the even harder to find knock-down version. It easily breaks down into three pieces that can lie flat and take up very little space. It also came with a substantial rubber nose protector - especially important on a skin-on-frame boat.

(K) Anchor rode & bag: I'll get back to the alphabet pretty soon. I designed and sewed up a sturdy synthetic canvas bag sized to store the anchor (assembled) and a couple hundred feet of 5/16" rode. It has four brass grommets around the reinforced top edge and nylon webbing straps that should allow it to be used as a sea anchor. I say 'should' because only an on-water test will show how well it will work. As sea anchors go it is pretty small but then the boat even when fully loaded isn't very heavy and has a relatively low wind profile. I'll give it a test as soon as the ice goes out. Well, I may wait a short while for the water to get closer to 40 degrees. The bag fits inside a three gallon plastic bucket. The whole anchoring setup fits in either the front or aft storage compartment but will most likely be in the rear compartment since it is the easiest to reach from the cockpit.

(D) Rudder gudgeons & pintles: Finally, back to the alphabet! I will be designing and making an aluminum kick-up rudder for use with a future sail rig. It will be controlled by foot pressure and will have an adjustable friction feature that will avoid having to constantly adjust the rudder angle. The stainless steel rudder gudgeon and pintle sets were designed for use on sailing canoes and kayaks and look like a good fit for the vertical stern of this boat. It will take a bit of creative engineering to figure out the toe-operated controls but I look forward to having a rudder for those times when rowing into a quartering headwind.

(E) Cleats: There will be two of these lightweight nylon cleats mounted on the aft bulkhead of the cockpit and two slightly larger cleats on the forward cabin bulkhead. I want multiple options for fastening mooring and anchor lines. These will be through-bolted to the bulkheads with load-spreading plates on the back sides.

(F) Cabin hatch support hardware: This will be one of the first things I'll be working on so that I can keep the cabin hatches open; right now you have to hold onto them so they don't over-stress their long piano hinges. It will be nice to be able have the hatches held in position while designing and constructing a hinged, arched top to go between the two hatches.

(G) Pad eyes: I will mount several of these little guys pad-eye in the cabin and cockpit to have places to hang things like a glasses case and gloves; stuff I don't want to get lost in the bottom of the boat or really lost in a capsize. They are only about 3/4" tall but I will be careful to mount them where I won't be getting snagged on them when moving about.

(H) Oar Locks: My main oars are 8'-4" long and currently have a set of Gaco locks on them. Gaco oarlocks These well engineered oarlocks are made of polypropylene with stainless steel shafts. I have extensively modified the oars to work well with these oarlocks but so far have found them a bit tiring to use because they take some effort to keep the oars properly aligned for good rowing efficiency. I'll continue to work on the Gaco setup but will also be drilling the oars so I can quickly and easily install a new set of pinned stainless The only advantage I see to the Gacos at this time is that in a strong headwind you can feather (rotate) the oars so they slip through the wind more easily on the return stroke. It will only take a couple of minutes to swap out oarlocks and I like having that option.

That's where I'll be starting this spring's boatshop projects but there are a few other items on my to do list:

  - Design Bimini (sun shade)
  - Slim down and balance oars
  - Light for compass (red, for night rowing)
  - Install tablet mount (for navigation and tracking apps)
  - Test long, 3-piece, kayak paddle (oar backup)
  - Capsize & re-entry test

April 10, 2020

4/12/2020 - First day in the shop. Cleaned shop and set up for cabin hatch project.

Steve Schmeck

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