More Hatch Construction

The glue-up continues. (page 1 of 1 pages)

Some hatch fittings... I really like wood fittings on a wood boat. There are a myriad of ways to do your fittings and tie-downs; it is really a matter of personal taste. Look at a number of boats before choosing a system. These were made from scrap pine stock. The fittings are crafted in the wood shop, then hardened with coats of resin on a sheet of wax paper. When dry, the bases and areas of attachment on the hatch cover or deck are sanded and the fittings are attached with thickened resin. The ones on the hatch covers are bumpers that take the strain of the hatch tie-down straps. These bumbers cause the edges of the hatch to cam in slightly, keeping a lot of the downward pressure on the edges of the hatch. I use a stainless steel cam-buckle system from Pygmy Boats (see links on homepage) to secure the hatch. This can be adjusted to put a lot of pressure on the gasket for a great seal. For the deck tie-down bungie-cord fittings (on the floor in the photo), I secure those with one or more small brass screws from the underside of the deck, as well as with resin. I could be wrong, but I feel that this helps to improve the lateral load-bearing capability of the fitting. The installation may be a little ugly at this point, but after everything gets sanded and varnished, it looks great. Be sure to make sure that the insides of the bungie-cord holes are coated with resin, use a Q-tip if necessary to accomplish this.

Tape the seam. While working on the hatch fittings it is a good time to tape one of the outside seams. Since I used an internal shear strip on this boat, I used 1-inch tape for the outside seam (if no internal shear strip or shear clamp is present, then use 2-inch tape on the inside and oustide of the boat). If you properly filled the small voids in the seam with thinckened resin beforehand, the tape should go on with few, if any, air bubbles. The procedure is quite simple: sand first for good adhesion, lay out the tape near the seam, paint on resin, apply the tape, recoat with resin. For this operation it is necessary to lay the boat on its side, so you can only do one seam at a time.



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