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2014 Spray HPK, Zack (TN)

Posted By Dan Caouette

2014 Spray HPK - Approval Drawing
2014 Spray HPK – Approval Drawing

Details

BTD Spray built winter/spring of 2014.

Around Christmas of 2013 I was approached by Zack in Tennessee to build him a surf ski with a kayak deck.   For training during the colder months of the year he wanted the performance of a ski (high speed, stability and maneuverability) but in a package he could roll.  I took the base Spray design, lengthened it and narrowed it so it was similar to the Spindrift and then added an enclosed kayak cockpit.

Spray is a shorter and wider version of the Spindrift – for those who would sacrifice a little top speed for stability. This makes it ideal for touring, and work-out in conditions (winter, wind-waves etc) where a tippier ski would be a challenge.. Designed by Björn Thomasson Design, Lund, Sweden.

Here are some of Zack’s first paddling impressions:

I was able to paddle the boat for the first time a little Thursday evening. I was able to do a 5.1 mph avg up stream (only 2 miles) and 6.6 mph avg down stream. I should of done better both ways but was tired from a weekend + of hard bike rides. The boat sprinted up to 8.2 mph going cross stream. I will hopefully have more numbers as I get more time in the boat. It handles well and is very stable even leaned over. While leaning over it doesn’t want to tip further than leaned or force its self back flat. I was able to paddle then coast and lean far enough to bring water into the bucket… Pretty impressive for me and not having knee pads. I hope to get to try and roll the boat soon.

If you need more specific details or pictures let me know and I’ll share any info/feedback that I have.

I wonder how the boat would of felt at 18 in wide and of the hull was a little flatter with less rocker. But I assume as it is now will do great in ocean conditions but would be a little faster on flat water with a flatter hull… Kinda wish I was more advanced and versed in ocean travel to give better feed back.

The rear two hatches have great storage room. I did a small over night this past weekend. I have not used the front yet. The cockpit worked out great for leg drive.

It was a really neat project.  You can read how I built it in the blog.
Project Particulars
– Painted with DuPont custom auto paint in Toyota Impulse Red pearl with polyurethane clear coats.
Painted Strip, Standard Construction: Western Red Cedar (3/16″ strips) and E-glass.
– Hatches:  Flush wood lids held with internal bungees using carbon fiber support lips and hardware.  Internal tethers and pull tabs.
– Day Hatch: 8″ pry-out Beckson deck plate with wooden lid and pull tab.
– Coaming: Solid carbon fiber (twill weave)
– Outfitting: Fiberglass tube fittings with 3/16″ polyester cord.  Black walnut sliders. 1/4″ bungee cord elsewhere.
– Unique combination paddle holder and Garmin GPS mount in solid carbon fiber.
– Completion: April 2014

Specs

Design = Modified Björn Thomasson Design “Spray”
Length (Overall) = 19′-11.5″ (608 cm)
Beam (Overall) = 19” (48.2 cm)
Fore Deck Height = 12.2” (310 mm)
Aft Deck Height = 9.1” (230 mm)
Prismatic Coefficient = 0.55
Finished Weight = 36.0 lb (16.4 kg)

Join the discussions on Facebook:

FB Album: Construction
FB Album: Completion

Completion Photos:

Construction Photos:

See all the pictures taken during the build on our Facebook Page! Don’t worry, you don’t need a FB account to view the pictures.

2014 Spray HPK – Construction

2 thoughts on “2014 Spray HPK, Zack (TN)

  1. Dan,
    I really like the tinted epoxy. May I ask what you tinted it with?
    Seems to have gone on nice and evenly?
    Or is that the result of years of experience ; )
    Any insights you can share would be much appreciated.
    Thanks,
    Matthew

  2. I only tinted the base layers of epoxy. The final finish is automotive urethane (primer, sealer, color coats and clear).
    I usually use a liquid paste tint made for epoxy and polyester resin. It’s often used to color gel coats and is usually found where you buy your epoxy. In this instance I used the colored chalk used for snapping lines: in this case “Irwin Strait-Line Crimson Red.”

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