Sea Strike 18


For our builders we offer full size printed bulkhead/ frame patterns, printed on 24" wide paper which are taped together to provide fulls size outlines. Using the full size patterns and detailed plan sheets, the parts can be accurately marked and cut out. All Plan sheets are printed on Architectural D (24" x 36" ) paper except for the full size frame patterns. 

Sea Strike 18 plans Price

The Sea Strike 18 is a true player and built big to handle any conditions Mother Nature throws its way.

With her deep-"V" 23 degree variable dead rise hull and utilizing the same high performance and fuel efficient hull design as its smaller sister the Sea Strike 16, the Sea Strike 18 is designed from the ground up, delivering everything the passionate offshore fisherman or family day boat demands... plus more.

Features include a live well, enormous total fish box capacity, walk through transom, a huge cockpit area aft and large casting platform forward for where all the action is on your offshore fishing rampages, wide side decks for all your rod holders, side pockets and more and a 200 litre fuel tank for those long offshore runs. And for those family day outings, it even has the option for a bow rider seating arrangement.

With our tournament-proven hull design, delivering top-end speeds, superb economical cruising speeds and great handling through a variety of conditions and a ride unlike any other, the Sea Strike 18 comes with more standard equipment and unique, pro-level fishing features than any boat in its class.  Coupled with her deep v hull, the Sea Strike 18 will get you there faster, drier, and smoother than the rest.


- Overall Hull length ......18 ft ( 5.5m)
- Beam ...... 7ft-2" (2.2m)
- Deadrise @ Transom ...... 23 degrees
- Engine shaft length ...... XL/S (25")
- Recommended Hp ...... 120-150 Hp
- Fuel Capacity ...... 200 litres ( 52.88USG)

- Construction …. Epoxy Fibreglass Plywood Composite Construction

We do not provide CNC files for this design



 The following list of materials is approximate and intended for calculation of approximte costs. We offer no guarantees of accuracy. The list is for all plywood in the construction of the hull, deck and interior. Allowance has been made in the quanties for about 10% wastage. Resin and glass quanties are only approximate.

6mm (1/4") - 11 Sheets
9mm (3/8") - 5 Sheets
12mm (1/2") - 8 sheets
18mm (3/4”) – 4 sheets

RESIN AND GLASS (For coatings and reinforced areas)
Epoxy Resin & Hardener - 168 kg (44 US gal)
400-450gm (12oz) Double Bias - 70 m ( 76 yards)
4 kg (4.4 lbs) glue powder (Cabosil)
4kg (4.4 lbs) Q-cells (fairing Powder)

The materials list above covers all the supplies for the boat as designed.
Useage of materials may vary due to several factors. For example, a experienced builder will use less resin. Our resin calculations are based on a 50% glass content. Options, customization and variations within your build will also effect the bill of materials and outcome.

Its that Easy 

Just about anybody can build a boat using the Bowdidge Marine Design Plywood Composite system. This method eliminates many members that ordinarily require fitting, fairing, and beveling. Thus, it's ideal for beginners. A jigsaw and drill are about the only power tools required. The resulting boat is incredibly light weight, strong, and durable.

This quick and easy boatbuilding method consists of plywood planking panels cut to shape from patterns in the plans which are "stitched and glued" together at the seams. Such a boat can be assembled in a matter of hours after cutting out the parts.

The stitching is done with plastic electrical ties passed through small holes along seam edges. These are zipped tight to hold the panels together. The glue is then applied between the stitching and also on the inside in a cove-shaped fillet along the seams, along the outside and inside. After curing, the "stitching" is removed and the gaps filled. Then the hull is covered in glassed.

Plans for all our designs include instructions, material layouts, and material listings. In addition, the patterns provided are precise, since they're taken from the actual 3D modeling and CAD systems.

Sea Strike 18
Sea Strike 18
Sea Strike 18
Sea Strike 18
Sea Strike 18
Sea Strike 18

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