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The Catenary Curve on a Homemade Suspension Bridge | Wildcat Man
https://wildcatman.wordpress.com/2013/03/06/the-catenary-curve-on-a-homemade-suspension-bridge
Designer/Builder Marvin Denmark talks about bridges, ziplines, and other DIY building projects. Who is Wildcat Man? The Catenary Curve on a Homemade Suspension Bridge. March 6, 2013. The St. Louis Gateway Arch is built in the shape of an upside-down catenary curve. Photo by HHsu/Shutterstock.com. The catenary is the curve formed by a perfectly flexible inextensible chain of uniform density that is hanging from two supports. Building a Small Cable Suspension Bridge. This entry was posted in Build a Bridge.
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Patent for Sale! | Wildcat Man
https://wildcatman.wordpress.com/2013/03/19/patent-for-sale
Designer/Builder Marvin Denmark talks about bridges, ziplines, and other DIY building projects. Who is Wildcat Man? March 19, 2013. We’ve been, off and on, trying to market the patent for my cable locking system. If you don’t know what that is, please visit http:/ www.wildcatman.com. For information about the integral part of my suspension bridge. We had minor interest from. Http:/ www.bridgestoprosperity.org/. We knew that hiring an attorney to actually write the patent would cost more money than we had...
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To Gallop or Not to Gallop? | Wildcat Man
https://wildcatman.wordpress.com/2013/03/12/to-gallop-or-not-to-gallop
Designer/Builder Marvin Denmark talks about bridges, ziplines, and other DIY building projects. Who is Wildcat Man? To Gallop or Not to Gallop? March 12, 2013. Another consideration when building my suspension bridge was harmonic resonance. While harmonic resonance was not completely to blame for the failure of Galloping Gertie ( http:/ www.wsdot.wa.gov/tnbhistory/Connections/connections3.htm. I decided to space the suspenders so that they were not positioned on the nodes of the bridge span. I determ...
wildcatman.wordpress.com
Do-it-yourself Siding | Wildcat Man
https://wildcatman.wordpress.com/2013/05/29/do-it-yourself-siding
Designer/Builder Marvin Denmark talks about bridges, ziplines, and other DIY building projects. Who is Wildcat Man? May 29, 2013. I’m milling up the siding for our new house from roughly 1-inch thick Douglas fir that we harvested from our property. Each board goes through the saw several times:. Rip the board in half. Rip to width x 2. First tongue cut x 2. Finish cut to create the tongue x 2. I started off with the set-up pretty close to the blade, but found that it worked better to move it further away...
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Can You Dig It? | Wildcat Man
https://wildcatman.wordpress.com/2013/04/07/can-you-dig-it
Designer/Builder Marvin Denmark talks about bridges, ziplines, and other DIY building projects. Who is Wildcat Man? Can You Dig It? April 7, 2013. There were a total of eight holes to be dug for my small cable suspension bridge. They would house four posts and four dead-men (more on dead-men later). The posts were going to be three feet into the ground, but the plan also called for concrete punch pads, so that meant another ten or so inches of hole to dig. Why a punch pad? I always use ready-mix concrete...
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A Spiral Staircase Project | Wildcat Man
https://wildcatman.wordpress.com/2013/03/31/a-spiral-staircase-project
Designer/Builder Marvin Denmark talks about bridges, ziplines, and other DIY building projects. Who is Wildcat Man? A Spiral Staircase Project. March 31, 2013. Here’s a staircase that I built for our house back in 1981 or thereabouts. It was about 9 feet 6 inches from floor to floor and I wanted about an 8 inch rise. That meant 12 steps or treads with the second floor representing step 13. I never quite finished the project. In fact, about five years later, I changed my mind about the location of the...
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Cost to Build a Small Cable Suspension Bridge | Wildcat Man
https://wildcatman.wordpress.com/2013/04/18/cost-to-build-a-small-cable-suspension-bridge
Designer/Builder Marvin Denmark talks about bridges, ziplines, and other DIY building projects. Who is Wildcat Man? Cost to Build a Small Cable Suspension Bridge. April 18, 2013. LIST OF MATERIALS —-1/2 Bridge Span 40 FT. NOTE: Times 2 for each item to account for either side of deck]. Punch Pad: 2.6 cu.ft. concrete = 4 – 90# bags @ $3.70 ea. $ 29.60. 3/4 – minus gravel: 12 cu.ft. = .44 yards @ $24/yd $ 24.00. Deadman: 1000 lbs concrete = 11 – 90# bags @ $3.70 ea . $ 81.40. Main Cable: 1/2″ X 46...
