Tomahawk Air-K 375 KAyak Trolley Mount

thingiverse

This is a mount which enables a standard folding kayak trolley to be mounted into the rear skeg slot of an Acqua Marina Tomahawk Air-K 375 inflatable kayak. This enables you to use a standard trolley without needing to tighten straps around the kayak. Straps don't really work on this kayak because of its shape - they just come loose straight away since the sides are flexible and tapered towards each end. I have attached some photos indicating how it works, but here are the steps: Turn the kayak upside down so that the skeg slots are pointing at the sky. With the parts all separate, slot part 1 into the rear skeg slot. The rear slot is the one with the drain holes next to it. Part one has a tapered bottom - insert the narrow end into the slot. It won't quite bottom out all of the way to the end. Next, unfold the trolley and sit the two tubes into the two semi-circles in the bracket. You may need to adjust the position of the black strap to allow it to open far enough. Don't put the wheels on at this stage. Take part 2 and place it over the top of the tubes so that the screw holes align. Finally, screw the two bolts in to hold it together. As this is a plastic 3d printed item, don't put loads of torque on the bolts. Just turn them until they stop and that will be enough to hold it in place. At this point you can put the wheels on and turn the kayak back over. To turn it over, stand at the rear end behind the trolley and lift the kayak using the inbuilt ropes that are either side of the stern. Lift it straight up. Do not allow the kayak to turn over until you are sure the wheels will be well clear of the ground, otherwise the wheels may hit the ground and break the bracket. Once you have flipped it over, set it down on its wheels and you are ready to pull it around using the handle at the front. To remove the bracket, stand behind the stern, lift the kayak off the ground, and push it out with your foot. Avoid putting any side loads on the bracket by turning the kayak over from the side with the trolley fitted; you will likely pop the heads off the two screws.