This is the leeboard spacer/mount that is attached to the outside of the hull. It's 4" by about 1.5" by .75". I wasn't quite sure what size the plans were giving me but decided the plans must be showing a full sized drawing which measured 4"X 1". I ended up with 1.5" cause the scrap I used was already that size and bigger is better :) When in the down or submerged position, the leeboard rests on the surface of the gunwale, spacer, and the chine. Having the spacer in between the wale and chine means that when you tighten the bolt the leeboard won't pull snug up against the side of the hull and prevents putting an unwanted bow in the leeboard. The spacer also gives friction to help hold the leeboard in position. So far that seems to work fine.
This is a pic showing the backing plate inside the hull directly behind the leeboard spacer shown above. Dimensions are 4" X 4" X .5". The backing plate helps to reinforce the side of the hull which is only .25" thick.
Here's a pic of the leeboard mounted to the hull in the up position. I added that little square of .25" thick plywood at the bolt hole just for the heck of it. I leaned the boat up on it's side so I could move the leeboard into the down or submerged position and it felt pretty solid there resting on the wale, chine, and spacer. Yes the .5" plywood does seem somewhat floppy for a leeboard but I'll go with it and can replace it later with a stiffer solid piece of wood if needed. The leeboard still needs it's leading and trailing edges shaped and I'll post a pic when that's done.
This is the leeboard spacer/mount that is attached to the outside of the hull. It's 4" by about 1.5" by .75". I wasn't quite sure what size the plans were giving me but decided the plans must be showing a full sized drawing which measured 4"X 1". I ended up with 1.5" cause the scrap I used was already that size and bigger is better :) When in the down or submerged position, the leeboard rests on the surface of the gunwale, spacer, and the chine. Having the spacer in between the wale and chine means that when you tighten the bolt the leeboard won't pull snug up against the side of the hull and prevents putting an unwanted bow in the leeboard. The spacer also gives friction to help hold the leeboard in position. So far that seems to work fine.
This is a pic showing the backing plate inside the hull directly behind the leeboard spacer shown above. Dimensions are 4" X 4" X .5". The backing plate helps to reinforce the side of the hull which is only .25" thick.
Here's a pic of the leeboard mounted to the hull in the up position. I added that little square of .25" thick plywood at the bolt hole just for the heck of it. I leaned the boat up on it's side so I could move the leeboard into the down or submerged position and it felt pretty solid there resting on the wale, chine, and spacer. Yes the .5" plywood does seem somewhat floppy for a leeboard but I'll go with it and can replace it later with a stiffer solid piece of wood if needed. The leeboard still needs it's leading and trailing edges shaped and I'll post a pic when that's done.
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