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Water Bottle Sling/carrier
I made a slight variation, I placed the initial bight in the center of the cord so that when I later connected the ends the knot (sheet bend) would end up being at the cinch point of the carrying loops. Also the cord could be made a bit long then easily adjusted to fit the wrist of the user.Thanks for a neat little project that is both useful and makes a nice little gift for friends
This is an interesting concept that may not be available in all areas; http://www.generlink.com/about_generlink.cfm
Interestingly the old ignition coils were independent of turns ratio and input voltage. The coil core was saturated by the primary current and when the points opened the collapse of the magnetic field and the number of turns in the secondary resulted in the high voltage. The capacitor was to prevent the back emf on the primary side from arcing across the points.