1987 MK 1 Catalina 34 Manuals and Paper Charts Storage

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By Jon Windt; Della Jean

NOTE - Before doing any projects, I highly recommend that you first go through the “Critical Upgrades” list and verify that your boat has all of the applicable items addressed. There is a link on the Message Board (copied here) entitled “CRITICAL UPGRADES – DO THESE OR ELSE!!!” that will take you to them. A good way to both learn your boat and make sure it is safe.


Storage

I purchased my 1987 MK 1 Catalina 34, hull #493 in April 2015. A great boat, but usable storage from the factory is limited. I have parts manuals I want to keep on the boat, but needed a place to store them. The top of the starboard water tank under the sette, has enough empty space. Putting them here they would be easy to get to, but out of the way of day to day activities. See Photo (1).


(1) Starboard Water Tank (resized).jpg


Materials Used

  • 1/4” Plywood sanded both sides, 16 ½” x 4 ½”.
  • 1x5” Pine boards.
  • 8 x #6 x 2” long SST flat head screws.
  • 2 x #6 x 1 1/4” long SST flat head screws.
  • 2 x #6 x 1” long SST flat head screws.
  • 25 x #6 x 3/4” long SST flat head screws.
  • 2 x #10-24 x 1 ½” long Truss head SST screws.
  • 2 x #10-24 Nyloc SST nuts.
  • 2 x #10 SST Flat Washers.
  • White KILZ primer sealant paint.
  • White Interior/Exterior Semi-Gloss paint.

Making the Storage Bin

The length and width dimension of the storage are 34” length x 18” wide. The depth varies from 3 ½” on the inboard side to 3” on the outboard side to maximize storage but still fit under the lip for the lid. The small section will be for the paper charts, and is 3 1/16” wide. The sides and paper chart partition are made from 1x5” pine boards. The bottom is made from the1/4” plywood.


In Photo (2) of the inboard edge of the storage bin where you can see two notches, a shaped recess area, and a jog. The notches are to give clearance to the screws holding the Teak trim the table rests in when lowered into a double berth. The shaped recess area is to give clearance to uneven surfaces in the fiberglass, and the jog is to step around the battery compartment. A lot more creative sanding and shaping than I originally thought.


(2) Bin Front View (resized).jpg


Photos (3), (4), and (5) show the different views of the unpainted storage bin.


(3) Bin Top View (resized).jpg


(4) Bin End View (resized).jpg


(5) Bin Bottom View (resized).jpg


Test Fit

Mounting the storage shelf was straight forward. To avoid chafe wearing a hole in the top of the water tank over time, I put a gray foam pad between the tank and the storage bin. See Photo (6)


(6) Pad Between Water Tank and Storage (resized).jpg


Photo (7) shows the storage bin installed on top of the foam pad and water tank. The top surface of the storage bin is below the recessed lip the cover for the water tank access lid rests on. The black circle on the right of the storage bin is the access plug into the water tank.


(7) Storage Shelf Test Fit (resized).jpg


Painting and Installing The Storage Bin

With the test fit complete and adjustments made, I applied a coat of Kilz brand white primer. See Photo (8).


(8) Front View Primer 2 (resized).jpg


Photo (9) shows the final assembly painted with interior/exterior semi gloss enamel paint and installed on top of the water tank with the foam pad in between the tank and the storage bin. The storage bin is fastened to the boat using two #10-24 x 1 ½ long Truss head SST screws, washers and Nyloc nuts through the sette’s vertical bulkhead just below the Teak trim.


(9) Forward View (resized).jpg


Photo (10) shows the final assembly filled with one large and one standard size 3 ring notebook, two clear 8 ½ x 11” folders full of more parts manuals, and a rolled up paper chart.


(10) Top View Full (resized).jpg


A couple of years ago I did a major project upgrading the electrical system on my boat. One of the upgrades was adding a Digital Echo Charger on a breadboard in the area under the sette and outboard of the water tank. When I do routine system checks, I check that this light is on so it’s important that it continues to be visible without moving or removing anything. In photo (12) you can barely see the green status light of the Digital Echo Charger is visible above the top edge of the storage bin with the storage bin fastened in place.


(11) Echo Charger Light (resized).jpg


The last photo of this project is photo (12) showing the original lid reinstalled before putting the cushions back in place.


(12) Lid Installed (resized).jpg


PDF of This Write-Up

I've attached a copy of this complete write-up in a PDF format for reference. All links have been removed from the PDF.


File:1987 MK 1 Catalina 34 Parts Manual Storage 04-01-18.pdf