I've been lurking around for a few weeks now and thought it was time to join in. I built my first motored bike a couple months ago using a 24cc weedeater motor using friction drive the whole set up only cost me 2 dollars for everything. I am now currently working on building a push trailer out of an old self propelled push mower. Looking forward to sharing and learning information. I also built a custom bike trailer to allow me to take 3 of my children with me when I go riding. The pic is of the first day with the trailer on our street for about 5 minutes and then we went and bought helmets for everyone.