The chain dot curve in FIG 40 is {HEAD ~ the optimum curve} for {TAIL ~ the ratio} of the gas turbine output to the gas turbine compressor pressure ratio 
for
The chain dot curve in FIG 40 is { HEAD ~ the optimum curve } for { TAIL ~ the ratio } of the gas turbine output to the gas turbine compressor pressure ratio
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH