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  1. #1
    Join Date
    Aug 2008
    Posts
    2,841
    Deformed plastic kayak.

    Improper storage or transportation of a plastic boat can potentially distort the shape of the hull on your boat. If your kayak does become the victim of slight distortion, correction is a simple process. Brief exposure to the heat of the sun is often all it takes to restore the hull to its original shape. If that doesn't work, the hull can usually be restored by applying heat to the outside of the boat with a hair dryer or other low-heat source such as a 75-watt light bulb. When the hull is pliable enough, it can be pushed back in shape by hand. Be careful not to overheat the hull as you might get burned or damage the hull. A weight can be placed inside the boat against the warped area to help maintain the shape of the hull as it cools. Although cooling normally occurs quickly, we recommend that you allow up to 24 hours to ensure that the process is completed. A kayak that is used in normal conditions will receive scratches, especially on the bottom of the hull. Scratches do not alter the boat's structural integrity or navigational capabilities and should be of no concern.

    http://www.roscocanoes.com.au/FAQ%60...anual-243.aspx


    Plastic Kayaks.
    Scratches are impossible to remove from polyethylene by sanding and polishing. If the hull is deeply gouged or punctured, it will have to be welded with polyethylene. In such a case, we recommend that you contact us for advice.

    If a plastic kayak has become deformed, place it in direct sunlight for a few days. Polyethylene is a memory compound that tends to return to its original shape. The gentle heat from the sunshine will likely soften to material and help the plastic return to its manufactured shape.

    However, if this process is not successful, it may be because the deformation has been present for too long a time. The following procedure will need to be followed:

    1. Place the kayak upright on foam blocks positioned about 1/3 of the length of the kayak between the bow and stern. The blocks should follow the hull contours as much as possible. The blocks should each have a contact area of about 6 inches.
    2. Pour about 5 gallons of very hot water in through the cockpit opening.
    3. Leave for about 10 minutes.
    4. Then press out the bumps or deformations in the hull with your hands. If necessary to access to the bumps, remove the seat.
    5. Leave the water in the kayak for about two hours in order for it to press down on the hull. Then carefully drain the kayak.

  2. #2
    Join Date
    Sep 2006
    Location
    Oslo, Norway
    Posts
    4,066
    Thanks catriona! I'm hoping this will work once we get a sunny day.
    Winter riding is much less about badassery and much more about bundle-uppery. - malkin

    1995 Kona Cinder Cone commuterFrankenbike/Selle Italia SLR Lady Gel Flow
    2008 white Nakamura Summit Custom mtb/Terry Falcon X
    2000 Schwinn Fastback Comp road bike/Specialized Jett

  3. #3
    Join Date
    Aug 2008
    Posts
    2,841
    Let us know how it works out. I just leave mine on the floor of the garage.

    You might want to try storing it differently next winter. Maybe add a middle support if you have that, or just set it on the ground with some wood spaced out evenly underneath it.

  4. #4
    Join Date
    Sep 2006
    Location
    Oslo, Norway
    Posts
    4,066
    Oh yeah, this boat is definitely coming indoors next winter!

    We have a small apartment with a tiny shed outdoors full of skis and 4-5 bikes, and just a parking space in a large parking facility, so no room here, but if I can't get a place at the kayak club I'm fixing some kind of hooks above the car at our parking spot.
    Winter riding is much less about badassery and much more about bundle-uppery. - malkin

    1995 Kona Cinder Cone commuterFrankenbike/Selle Italia SLR Lady Gel Flow
    2008 white Nakamura Summit Custom mtb/Terry Falcon X
    2000 Schwinn Fastback Comp road bike/Specialized Jett

  5. #5
    Join Date
    Aug 2008
    Posts
    2,841
    Excellent - how do you like your catalina? I'm 5'1, so I usually find that the prijons are just a bit too big for me - but I haven't tried that one & it looks like it's for smaller people. I used to have a prijon yukon expedition way back whenever - sold it for something easier to carry myself, then eventually got a prijon excursion tandem - which ended up just being massive and a reason to argue with whoever was in the other cockpit.

    Now we've got a prijon barracuda & a perception avatar - The former is a very fast barge, while the latter is pretty nimble and turns on a dime - which means it doesn't really track all that well, except if I take out into waves where it suddenly becomes amazingly stable and fun.

  6. #6
    Join Date
    Sep 2006
    Location
    Oslo, Norway
    Posts
    4,066
    Very snug indeed I'm 1,66 m, forget how tall that is in feet. A friend bought one for her teenage kids, so it's quite small.
    Winter riding is much less about badassery and much more about bundle-uppery. - malkin

    1995 Kona Cinder Cone commuterFrankenbike/Selle Italia SLR Lady Gel Flow
    2008 white Nakamura Summit Custom mtb/Terry Falcon X
    2000 Schwinn Fastback Comp road bike/Specialized Jett

  7. #7
    Join Date
    Sep 2006
    Location
    Oslo, Norway
    Posts
    4,066
    I don't really believe my own eyes yet, but a few hours belly-up in the sun magically changed the kayak's shape from v-shaped "the wrong way" to normal and significantly reduced the dent, and after a few more hours while we were away the entire deformation was gone! Hooray for warm sun and memory plastic!
    Winter riding is much less about badassery and much more about bundle-uppery. - malkin

    1995 Kona Cinder Cone commuterFrankenbike/Selle Italia SLR Lady Gel Flow
    2008 white Nakamura Summit Custom mtb/Terry Falcon X
    2000 Schwinn Fastback Comp road bike/Specialized Jett

 

 

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