A componentlevel characteristic simulation method for singlestage turbocharging reciprocating engine propeller propulsion system (STS) was studied. A regulating method of STS was proposed

the jointworking equations of STS were solved

and the altitudevelocity characteristic of STS were simulated. The flying characteristics of overall performance and each component were compared between a STS and a dualstage turbocharging reciprocating engine propeller propulsion system (DTS). Result shows that

the regulating method of STS can meet the design objectives

the full power holding altitude of STS can achieve 5.5km while that of the DTS is 12.5km. When selecting the same propeller and engine

the characteristics of each component between STS and DTS are similar

and the variation ranges of the altitude and velocity of the propulsion efficiency

specific fuel consumption

total efficiency of STS are narrower than those of the DTS.