advice for Stealth 12 PVC cart?

[pbb]

Hi all,

I took the plunge and bought a (used blem) Stealth 12. I had been thinking of getting last years Stealth 9 that OEX lists on clearance, but did a little research and decided it might be worth trading off something harder to handle out of the water for something easier to handle in the water.

Anyway, that said, I'm working on how I'm going to handle it out of the water.

I'm working on a PVC cart, of the general type that the hull rests between two parallel arms.

I started off just eyeballing the width, since the hull is a V, thinking it would rest fine. But then before I started gluing anything, I lowered the kayak from the garage rafters so I could get at the bottom, and realized that with the channels in the bottom of the hull, it is likely that one arm will shift into a channel and the whole thing will be off center on the cart.

But I'm worried that making it as narrow as the two larger channels might be too narrow for the cart.

The channels (and scupper holes) are about 10.25" apart on center. With my current design the wheels on my cart will be about 19.5" inches apart on the outside edges if I reduce the width so that the arms fit into the channels. Is that too narrow?

Or should I keep it wider and then plan on cinching it down and hope that that will keep it from shifting to the side? As I've cut everything now, the arms are about 14" apart.

Any advice?