Ok, I hate to sound dumb here, but this chart is way over my head.  I'm
sure it provides everything I need to know, but I don't know what
questions to ask of the chart.  To start, is there a problem with the
displacement shown on the turbo spreadsheet?   The spreadsheet says that
the 13B displacement is 159.6 cubic inches.  That sounds way to high.  I
looked up the displacement in "cubic centimeters" and converted it:
13B = 1308 cc =  79.788 cubic inches
20B = 1962 cc = 119.682 cubic inches

I'm in Dallas and do most of my flying in 90-100 degree F.  My field
altitude is 600ft.  I usually fly under 15k altitude.  I just want to
know how to select a turbo that will help me maintain 350 hp up to about
18k altitude on those hotter that hell Texas Summer days.  Can anyone
give me the "Cliff Notes" or "Turbos for Dummies" version
Don

No Don it is indeed 159 c.i. equivalent. The three rotor is 240 c.i.
roughly. That is how much air they pump in one rev at 100% VE. I
am not sure which spread sheet you are looking at but it is probably
Dave Leonard's. Can you help Don out Dave?

You will also need that Turbochargers book Don. I hope you save
messages :)

Paul Lamar

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