Intro: mercury foam teardrop, how to build a foam teardrop trailer. rot proof, well insulated and super lightweight. in a way, teardrop campers are a great reminder. Model: length: hull weight: beam: max payload: cockpit size: paddler weight: knee height: max. men’s shoe size: wood duck 10: 10′ 0" 36 lbs. 30 in. 250 lbs.. Gartside 10′ clinker dinghy "selkie" we have built many of these boats over the last few years and they are very popular. they are designed by well known designer.