This book consists of introduction to the gas turbines and literature collection about the various experiments conducted on performance analysis of gas turbines. The present work consists of manufacturing of gas turbines by using the Inconel-718 and aluminium 6061 alloy materials and Performance analysis of gas turbine by Holzer's approach.Theoretical and Experimental analysis of individual components of Gas turbine like Rotor, Hub and turbine blades has been reported in detail.