Building a KARA Hummer Layout Duck Boat #20: Fishing Boat Conversion

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Blog entry by DustyMark posted 08-27-2015 01:09 AM 5471 reads 0 times favorited 0 comments Add to Favorites Watch
« Part 19: Upholstering the Layout Board Part 20 of Building a KARA Hummer Layout Duck Boat series Part 21: Fabricating the Flip Blind Door Frames »


We wanted to have more comfort while using the layout boat for fishing, so we bought two pedestal bases and adjustable height pedestals to mount Wise fishing seats. This required replacing the 1/4” plywood floor with a 3/4” plywood floor to take the stress of a 9” diameter base.

Floor Replacement

We bought Springfield Taper-Lock pedestal bases and their 13”-21” adjustable height pedestals.

A view of the base under the floor.

The area under the floor is covered with 1 1/2” foam to support the old 1/4” floor. I decided to keep the foam for some reserve flotation. I increased to three threaded inserts in each rib to help hold the floor down.

I cut out a circle of the foam to make room for each base where it extends under the floor.

View of the floor installed. It only increased the overall weight of the boat by 22 pounds, so I’ll keep this floor in all year. We recycled my old 1/4” floor to my nephew’s boat that is ready for primer tomorrow.

These seats are going to work out well. The dog will be able to move around the boat easier. I’ll remove my seat and continue to row from my normal position on the floor. I’ll reinstall the seat once were anchored at a new spot.


In the next installment I’ll discuss building the flip blind door frames.

-- Mark, Minnesota

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