Starship Modeler Discussion Forums

I think that just about every electrical item sold in this country HAS to be UL listed, so it's more or less a "given" that it is. I wouldn't really sweat it too hard. Have you consindered looking in pawn shops?Sometimes you can find a real deal on just what you're looking for. Other times...

Thanks to all who suggested the "shroudcalc" link (http://www.realmcommunications.com/rblaske/shroudcalc/shroudcalc.htm). It was just what I needed. As I said, I'm not the greatest math whiz in the world and high-school trig/calc-- heck, COLLEGE level trig/calc was quite a few years ago, a...

The cup from which you cut the bottom is a tapered cup-- like a Starbucks cup or something-- thus, conical.

Ok, new guy on the block, so please be patient. I know how to calculate the volume and surface area of a cylinder. That's a breeze. But what I'm trying to figure out how to do is to calculate the surface area of a cone-- and then how to draw it on a flat sheet of [whatever] so I can cut it out to pu...