On Saturday, November 26, 2016 at 12:06:03 AM UTC-5, son_of_flubber wrote:
Will GP electric drive gliders be certified to aerotow with the boom deployed and the motor turned off? (Boom extended in case of PT3. Aerotow to save the battery charge for later in the flight.)

With the likelihood of PT3 being as low as it is in the real world, and given all that the manufacturer must do to be able to produce, document, and sell a glider, I can't imagine that they would put much time into this.
UH