Testing String Cam at various locations including Elk Mtn and Hillsboro. The "car" holds up to three GoPro Hero2 cameras with remote pack and has held a GPS unit too. The string is decent but not great kite string (very thin stuff). Saving the good string for tree runs in the mountains. Max speed so far is 30.6 mph. Longest trip so far is 580 feet. Hoping to get better "Star Wars Episode VI" style tree passes and some waterfall drops. Will probably switch the back cam to the front for more clear shots. Right now the hardest part is setting up strings. Have some ideas in the works though.