wrote in message
oups.com...


Why fly a 172 when you shortly will be able to rum the big iron?
There's
a
Lycoming TSIO-540 running in OK on avgas.

http://www.engineteststand.com/testdata.htm

http://www.taturbo.com/prismad.jpg

I'll believe that when I see it. Test stands are inadequate to
simulate flight conditions.

Such as?