My diy yak cart.

I'm welder/fabricator by trade and love to tinker, so I built a cart. I bought some "worry free" wheels at harbor freight that have plastic wheels and pneumatic flat free tires and 5/8 axle holes. And basically copied dimensions from the plug in scupper cart that Hobie sells. I welded 5/8 mild steel tubing together. Painted the crap out of it and pushed 5/8 I.d. 7/8 o.d. clear tubing over the plug in part to protect the boat and make it fit right. Drilled holes for snap over hitch pins to keep it from falling out. I spirally cut a pool noodle and taped it to the cross bar. It works perfectly and surprisingly floats quite well. I included my diagrams of possible failures.

Looks good, until you start using it in the salt.  That will be a great fresh water cart for sure! 

PVC, stainless, or even aluminum will hold up for many years with saltwater abuse.

Nice job man. Don't worry about the corrosion, worry about it collecting dust.
Cheers,

Nice! But technically you didn't copy Hobie's because you actually did good welds so yours won't break like the cheap Hobie spot welds. 

Nice looking cart.

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Thanks for the kind words. I put the yakeroo in the salt for the first time, up in Quilcene bay. I found that backing it down till the tires are about to touch the water then tipping it and removing the cart worked well. That left enough of the yak in the water that I could pick up the front and the back would float. And never got the cart wet. Or am I missing something? Or is that eventually going to ruin the side of it? All the grinding, rolling it on its side every time?