Complex sentence: The resulting design, named the Pegas (Pegasus), was a low winged monoplane with a fixed tail-wheel undercarriage, of wooden construction, with pine frames and birch plywood skins.
Split into simpler sentences: The resulting design, named the Pegas (Pegasus), was a low winged monoplane with a fixed tailwheel undercarriage. It was of wooden construction, with pine frames and birch plywood skins.