Catching up with the aeromeodellers. Under construction - to fly later this year. 190 horsepower. Lithium Ion batteries. 15 minutes duration ! http://www.gizmag.com/sikorsky-project-firefly/15993/?utm_source=3DGizmag+= Subscribers&utm_campaign=3Dcdd067a9e9-UA-2235360-4&utm_medium=3Demail --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .