Complex sentence: The Il-14 development was much refined over its predecessor, with a new wing and a more angular tailfin, and powered by two 1900 hp (1400 kW) Shvetsov ASh-82T-7 radial piston engines.
Split into simpler sentences: The Il-14 development was a vast improvement over its predecessor, with a new wing and a more angular tailfin. It was powered by two 1900 hp (1400 kW) Shvetsov ASh-82T-7 radial piston engines.