Originally Posted by Mountainfitter
Have you ever done a Silnylon project like this one? If so could you compare for the DIY'ers the pros and cons of the two material..
I once made an 8' x 11' Japanese kite out of approximately 2 oz. ripstop sail cloth (presumably with some sort of coating, but not waterproof). It was bridled with 17 bridle lines, each 100 ft. long, attached to a main flying line of 1/8" braided nylon. It also had many carbon fiber arrow blanks making up a network of spars. The whole thing (bridles, spars, main line) was designed to evenly distribute the forces a sail of this size could generate. It took five people (wearing gloves) to fly it. It flew well on almost no breeze at all. One gusty day I managed to wrap it around the tv antenna on top of the Harvard Business School (retrieved safely, however).
I have thought of this kite a number of times while making a cuben sail that's 12% bigger but weighs less than 6 ounces. (Oh, if I'd had cuben in my kite-building days!
But back to reality: there are logistical issues of dealing with large areas of fabric or cuben that are exactly the same. It helps to roll the sail/kite/tarp to leave accessible just the part you want to sew or tape. If you have a long, narrow work table, it helps to have a large open area nearby where you can roll or fold your project so it fits on the work table. Breezes can be a nuisance.
Working with cuben is not more difficult than working with silnylon, but a number of the challenges are different, so be prepared to start a bit lower on the learning curve. By the way, one of those challenges is money.