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Centreboard Case head ledges (end posts) glued in and screwed. Case clamped flat with packing blocks to hold shape while head ledges cure. |
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Close-up of head ledge. Note slight projection at bottom end to fit into cut-out in bottom panel of boat. |
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Another view of the centreboard case clamped flat while the head ledges cure. |
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Attaching gunwales with temporary screws. |
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Gunwales attached dry before gluing |
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Fairing deck beams with modified block plane |
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Doing same to the transom |
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Alternative method of planing bevel on top of deckbeams and transom |
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Outboard mounting pad dry-fitted, along with vertical cleats to carry outboard well sides |
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Dry-fitting outboard well sides |
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Outboard well sides in position |
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Measuring bevels for aft deck beams |
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Dry fitting aft deck beams |
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Deck beam in position prior to gluing |
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Aft deck beams and outboard well sides dry fitted |
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General view of aft deck and outboard well arrangement |
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Marking side deck hanging knees from the full-size pattern |
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Marking side deck hanging knee from full-size pattern supplied with plans |
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Checking line of side deck using flexible batten. Temporary cross-braces still in position |
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Checking line of side deck using flexible batten. Temporary cross-braces still in position |
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Tip of soldering iron filed flat. Used to heat temporary screws for removal from epoxy. |
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Using soldering iron to heat screws. This helps break bonds with epoxy, and prevents breakage of screws |
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Gluing side-deck knee to hull, using temporary cross brace for support |
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Cross-section of a properly filleted joint. Note generous fillet and the layer of glass at the surface |
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Blocks glued to the for'd and aft bulkheads carry the ends of the side-deck carlings |
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Dry-fitting side deck carlings. Many clamps required due to the amount of bend and edge-set necessary. One of the more difficult parts of the assembly |
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Side-deck carlings being held by screws, and one set of clamps prior to gluing. Note that temporary cross braces are still in position. |
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Side-deck carlings dry-fitted to end blocks |
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Cut-out in temporary cross-brace to allow side-deck carling to run through without obstruction. Cross-braces will be removed after carlings are glued |
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Centreboard case ready for installation |
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Cutting mortises in bottom of hull to take head ledges (end posts) of CB case. Full slot will be cut after assembly with boat upside down. |
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Using pneumatic saw with flexible blade to cut mortise right up against midships frame. A hand saw or hacksaw blade will do as well. |
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Cutting away epoxy from midships frame to fit centreboard case. This could have been left clear during the taping operation, but I forgot! |
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Sanding cured epoxy to ensure good bond when gluing in centreboard case |
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Good view of side deck carlings with clamps removed. Boat ready for centreboard case |
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Notch cut in aft, top corner of cb case to allow for the cross piece glued to for'd face of midships frame |
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Bottom edge of centreboard case showing end posts protruding a bit to fit into mortises in bottom of boat. Not essential, but handy for location and s |
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Centreboard case dry-fitted. Note semi-bulkhead at for'd end |
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Centreboard case dry-fitted |
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Centreboard case dry-fitted. Note aft deck beams and the outboard well structure |
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This is what the brace on the for'd end of the centreboard case is useful for. |
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Applying thickened epoxy to the bedlogs of the centreboard case. These were primed with un-thickened epoxy first. |
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All gluing surfaces are primed with un-thickened epoxy prior to application of thickened mix. |
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Forward semi-bulkhead being fitted with epoxy and silicon bronze screws |
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Placing case in position, being careful not to wipe off any epoxy mix |
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Positioning screws being driven through midships frame |
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All permanent screws are silicon bronze, and set in epoxy |
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Plenty of epoxy squeeze-out is essential. It can be used for filletting, and is not wasted |
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Dry-fitting deck - roughly cut, well oversize |
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Dry-fitting deck _ roughly cut, well oversize |
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Using a flush-trim router bit to trim deck edges |
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Dry-fitted deck showing outboard well.Main thwart will fit over centreboard caseforrard of midships frame |
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At least three coats of high-quality two-part epoxy Primer/Undercoat applied to the internal surfaces of the buoyancy tanks. |
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Support structure for stern sheets (aft seat) from light 19mm x 32mm (3/4" x 1-1/4") |
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Support structure for main thwart from light 19mm x 32mm (3/4" x 1-1/4") |
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19mm x 19mm (3/4" x 3/4") half-frame distributes seating loads into the gunwale and chine |
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Holes in side-deck knees to act as tie-down points - idea courtesy of Paul Hernes |
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Plenty of emergency buoyancy in aft sections |
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Sanding fairing compound on glass tapes |
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Sanding fairing compound on glass tapes |
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Mast Partner and Mast Step glued into position |
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Mast Partner glued to main bulkhead deck beam, and thru-fastened using large silicon bronze screws |
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Mast step is glued to bulkhead and bottom. Note drainage hole. |
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Another view of Mast Partner. |
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