>>__whether doing such a thing would be feasible at my age (learning to code, etc), and whether my current educational background and training would be sufficient a contribution to a founding team__

Last time I checked, this field had no age bar. Honestly, you're most welcome to shake things up. If you have the vigor, which your post says you do, you can do it. Also, the support from communities like HN is amazing and worth giving a try.

HN also has a contractor list https://spreadsheets.google.com/ccc?key=0AlD_6iEb8Ed9dGs3clV...