I don't know of anyone providing a working engine for $250 at this time - you can find desktop models that run off of coffee cups but don't do real work. The i

I don't know of anyone providing a working engine for $250 at this time - you can find desktop models that run off of coffee cups but don't do real work. The industrial models cost in the tens of thousands. Give the Volo a shot - we hope to have it completed by spring.