External stems

December 23, 2017 § Leave a comment

I’ve completed the first round of sanding, but left the ends unsanded ahead of installing the external stems. Because I’m not equipped to steam wood, I thickness planed the strips of ash until I could bend them without fear of breaking the strips.

The next step was to notch the hull where the stem starts. Then it was a matter of applying thickened epoxy (epoxy and wood dust) to the hull and between individual strips. The sandwiched strips are then fastened to the hull using drywall screws. I’ll remove these later, expand the holes, and fill the holes with pieces of dowel.

Next steps are to shape the stems, more hull sanding, filling gaps with thickened epoxy, and then on to fiberglassing.

 

Shaping the external stem

February 24, 2011 § Leave a comment

Canoe building factoid #3 — Your spouse’s appreciation for the canoe grows inversely to the number of times you invite her to look at it per day.

The external stem serves two purposes:

  • it provides a hard edge that protects the ends of the boat.
  • it hides the gnarly strip ends and the fact that you didn’t shape the internal stem properly.

As opposed to the internal stem, the external stem should be made out of hardwood. I chose ash, partly because I bought so much of it and partly because I wanted my son to be able to tell his friends that he cut a piece of ash.

My son and I ripped several strips of about 1/8″ which I then laminated with Gorilla Glue and mounted on the boat.

canoe building: external stem

Given that I had lovingly soaked the wood in the tub (stopping short of adding my wife’s lavender bubble bath), it bent easily and without the use of clamps that made the internal stem shaping process look so impressive.

canoe building: external stem

I screwed it into the internal stem using drywall screws and metal brackets that I happened to find after cracking the stem despite having pre-drilled holes. Live and learn.

With any luck, this side will turn out as well as the other side.

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