ISBN: | 978-5-5112-5255-1 |
High Quality Content by WIKIPEDIA articles! The Ryan XF2R Dark Shark was an experimental aircraft built for the United States Navy that combined turboprop and turbojet propulsion. It was based on Ryan`s earlier FR Fireball, but replaced the Fireball`s piston engine with a General Electric T-31 turboprop engine driving a 4-bladed Hamilton Standard propeller.