Stemme Goes Electric with its New Elfin

Dean Sigler Announcements, Batteries, Electric Powerplants, Hybrid Aircraft, Sustainable Aviation Leave a Comment

Reiner Stemme designed his namesake sailplane 30 years ago and the overall design and his new Elfin retains the original pop-out nose cone, folding propeller configuration.  The 50:1 glide ratio means this 20-meter (75-foot) span motorglider offers less than 40 pounds of drag at its maximum takeoff weight 0f 1984 pounds.  That is a significant benefit for the new electrically-powered version – which can fly further and save its batteries for retrieval and go-arounds. In its latest iteration, the Stemme configuration is a totally new airframe being built by a totally new company, Reiner Stemme Aero GmbH.  As explained on the new firm’s web site, “The Elfin design is a complete new development and [is] not base[d] upon the existing …