You know its too bad that we as americans cant build this engine, Its 1930s technology but, it seems like we need it today,especally when gas and diesel is going so high in price,alot of us want to get out of mainstream america. I do, and want to live off grid.but as long as there's an interest in these engines, we wiil persevere. you guys,I say hats off to ya, keep up the good work. I'll be reading. Brian