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In order to minimize the amount of space a no-lix will cover, consider doubling back on itself, dogbone-style around a mountain or hill. This will increase the amount of rise before you actually start to climb the wall. Using 2% grades as a standard.... For instance, lets say you climb along a 15' area along the wall, that's 180" X 2"/100" = 3.6" of climb. Now wrap around a mountain with a 60" diameter, which is about another 140" of track (remember the dogbone). This gives you an additional (.02X140) 2.8" of climb. So far you've climbed 6.4" and you've just now reached the wall. By going back around at one wall, and climbing up the other three you could then climb (12+14+12-7' access) = 41 feet more. The total climb would then be 6.4+9.8 = 16.2 inches! This could easily get you up high enough where the duck-under wouldn't be much of a "duck" to get into the room. Hope this helps. Mark in Utah
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