An experiment in this field is "Iron Sky"[1] - while most of their financing (EUR 6.3M out of EUR 7.5M ~ USD 10M) comes from traditional sources, they also trie

An experiment in this field is "Iron Sky"[1] - while most of their financing (EUR 6.3M out of EUR 7.5M ~ USD 10M) comes from traditional sources, they also tried to raise EUR 1.2M from the crowd. This financing would come in two parts: as investment (900k) and as funding (300k). They managed to collect 67% of the goal as an investment, and they give no numbers for funding. [1]: http://www.ironsky.net/site/support/finance/ http://www.ironsky.net/site/support/finance/