127ers,

Use this file to guide you through prandtline.f

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PART 1 :
	
Copy polars1223300.dat onto polarbl.dat before running prandtline.f
Open the data file, prandtline.data and set the geometric parameters for the case under consideration:
	wing span B (m)
	dimensionless root chord cxm (ref.=B/2)
	1/0 parameter irect for rectangular or elliptic planform
	1.0/0.7854 planform area parameter for rectangular or elliptic planform
Save the data file
Run prandtline:
	to the question "...use polar data" answer yes, i.e. "1"
	to the question " read file y/n" answer no, i.e. "0" (this is used for restart purposes)
	to the question "title:..." give a title, say "s1223"
	then input the initial inicidence: 0
	the final incidence: 25 or a higher integer (up to 90)
	the incidence increment: 1
The code runs and then to exit type "-100"
The 3-D polar results are in the file prandtline.clcdcq (cq is the moment CM,o)
	
	
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PART 2 :

Same as part 1 with different (double element) profile polars1707-0723.dat
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For plotting purposes:
	the 2-D polar is in polarbl.cdcl
	the wing geometry is in prandtline.ycdt
	the circulation in prandtline.yg
	the downwash in prandtline.yw
	the local lift coefficient in prandtline.ycl
	the local angle of attack in prandtline.yat
The other files correspond to bending moments etc...

Note that e, Oswald efficiency,  is outputted to the screen or can be found in the 2nd column of the .out file