I'm not certain that flush hatches will be thoroughly watertight but the intention is to give them a go as they minimise the number of deck lines.
See here for more info ... http://www.clcboats.com/shoptips/fitting_out/hatches_no_toggles.html
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The deck layout.
Sail rig stowed along the port bow.
Retractable dagger board secured on the starboard stern.
One of the intentions with this kayak design is to be responsive to the local physical conditions that this kayak is most likely to contend with.
Sydney beach sand is often like a coarse grade sand paper so the proposal here is to lay a defensive strip of kevlar along the hull ridge.
Thanks to Nadgee kayaks for this idea:
Okay - now it's time to build the 1:1.