Your kayak’s bottom level is higher than rudder’s bottom.
So when you put a kayak on the ground, the rudder can be injured.
Native Craft kayak’s bottom is lower than rudder
Present width does not allow to put big cooler box. If installing a rectangle hatch and broaden the width, larger cooler box can be put.
The present place of drain is not good to remove all water out of kayak.
If it was at the very end as the propel 13, it would be much better.
Change oval hatch to following one.
That would be more practical for fishing.