Un Dimanche a Cherrueix

Yann LeCun's depron/carbon R/C plane powered with an "Air Hog" compressed air engine. 170 grams, 80cm wingspan, Hitec Feather radio, 250mA Rx battery.
Jean-Claude LeCun's Electric Space Walker.
Bertrand and Yann LeCun's "Horreur", all-depron construction, 100cm wingspan with undercambered airfoil, geared speed 400 motor, 7 cell 500mAh battery.
Jean-Claude LeCun's Electric mini Mustang. direct-drive speed 400.