Share 'Approx How many gallons Epoxy for Tiki 38?'

I'm sheathing the hulls & all exterior wood and coating the interior with epoxy (varnish top coats) on the Narai and figure I'll be in the neighborhood of the amount used on the Tiki 38.  Won't have all the fillets, but will have more surface area than the Tiki 38. I'll probably end up using more than the T 38 does by the time she's finished. So using it as a rough guide. Actually, anyone kno…