Stemme is planning to deliver it's $369,000 nextgeneration S12 motorglider to U.S. customers this coming December. The new S12 picks up where the Stemme S10VT (which will remain in production) left off. It sports a longer 82foot wing and an impressive 53:1 glide ratio, more baggage space, an integral tail water ballast system, a Dynon EFIS and autopilot system and variety of other improvements. for this production, Aviation Consumer magazine editor Larry Anglisano flew the S12 with company demo pilot Wes Chumley at Stemme U.S.A.'s Columbia, South Carolina, delivery center.