Board Thread:Speculation House/@comment-14138255-20160110165745/@comment-24891101-20160112204614

Most of the several decades that went into Penny was R&D. Even if it took several years for her neural net to reach maturity, that's the minority of the effort and resources.

Look at military aircraft. Compare the flyaway cost to the total program cost divided by number of airframes, and consider the start date of the program to the date at which deliveries start.