In WW-II and shortly thereafter, piston powered aircraft peaked in power, performance and complexity wise. Power went up to over 4000 bhp for large multi-row radial engines. Only to be defeated by the jet, which was developed by (among others) Germany's Dr. Hans von Ohain and separately in the UK by Sir Frank Whittle. Its principles are based on the "Aeolipile" of the ancient Greek scientist Hero and other great thinkers like Leonardo da Vinci and the laws of Isaac Newton.
Compared to a piston, the gas turbine has less parts and the moving parts rotate in only one direction without stopping and accelerating as the pistons normally do in an engine. Thus, a running gas turbine is basically free of the vibrations normally found in piston models, which translates in much longer service life (TBO) and higher reliability.
Excerpt from the document:
The RR500 turboprop engine is a new and exciting addition to the Rolls-Royce family of engines. The RR500TP is the premier choice for value conscious operators seeking the multifuel benefits and performance of turbine power.
The engine delivers greater speed, improved comfort, increased reliability and unmatched operational capability in a compact power dense design. All of this is available in a power plant offering excellent value and lower lifecycle costs.
Rolls-Royce has unmatched turboprop engine experience that assures the RR500 operator of outstanding performance and global support. Additionally, the RR500 Turboprop is well suited for STC conversions of popular general aviation aircraft to turbine power.
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