Which full size aircraft is this a radial engine powered model of ?

Which full size aircraft is this a radial engine powered model of ? Filmed at Oppingen-Au Airfield in Germany at the Airliner Meeting Show with the Panasonic HC-X2 Pro 4K action camera for the Essential RC YouTube channel. Thanks to Adi Pitz for the invite to film at this amazing event. Don't forget to SUBSCRIBE for regular 'Essential RC' action using this link http://www.youtube.com/c/EssentialRC?... SUPPORT 'Essential RC' and JOIN HERE    / essentialrc   for EARLY ACCESS to NEW videos CHECKOUT OUR UNIQUE RC T-SHIRTS AND MERCH HERE: https://essentialrc.creator-spring.com