Will it leak? How are the sections are held together?
The seal is made from a silicone foam which has an excellent rating for exposure to UV radiation, salt water environments and does not take a compression set. In other words, it does not stay crushed but rather always returns to its original shape. The seal is oversized and pressed into a 1/4” wide channel at the bottom of the groove where it is protected from damage when the boat is in its disassembled state.
If the seal is damaged, it need only be plucked out with your fingers or a key, for instance, and replaced by pressing the new gasket in the groove. Once it’s clamped together the first time, it will not fall out.
The gasket forms itself to the tongue creating a seal with a large surface area which can overcome minor contamination on the seal but in the event of extreme amounts of sand or dirt contaminating the seal, brushing it clean with a damp clean cloth or rinsing it with water will be all that’s required prior to clamping the sections together. We had our prototypes nearly buried in the sand and one quick dip in the ocean was all we needed to clean it before assembling.
We include a cloth on which you assemble the Pakayak and we recommend a vertical assembly (see video) which is the easiest and offers the least exposure to the sand.
The tongue and groove mating sections are designed assist with bringing the pieces together easily and accommodate the maximum expansion and contraction of the plastic in normal environmental conditions. We have tested our prototypes in temperatures from 30 degrees (Fahrenheit) to baking in the hot sun in the 90’s without any problem whatsoever. All of the latches and plates will be made of either 304 stainless steel or steel coated with an enviro-coat which gives the same exposure resistance as the 304 stainless steel.
The design of the arched metal band has been used successfully for decades in numerous applications without failure and is particularly good at handling vibration or impact such as collision with a rock in a rock garden as it is able to flex with the impact while holding its tension.
With our boat’s maximum capacity of 300 pounds and each clamp rated at 500 lbf (pounds of holding force), we have, without question, over-designed our clamps with respect to the forces that could be exerted upon them to ensure the durability of the Pakayak and the safety of our customers.