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Alfadriver
23-07-06, 21:12
Greetings from Denmark. This is my first topic in here. Great site by the way. :D

I was wondering if anyone know the A/R on the turbine and compressor fitted on the 155 Q4?

Juan AR155Q4
24-07-06, 16:20
The turbine is .48, sure. The compressor I think is .50, but no sure on this.
I donīt know the trims, just that itīs T3.

pitucas
24-07-06, 18:36
What's the A/R???

Juan AR155Q4
24-07-06, 19:32
What's the A/R???

Take a look here (http://www.turbobygarrett.com/turbobygarrett/tech_center/turbo_tech102.html), itīs explained better than I could do.

pitucas
25-07-06, 00:30
Fine, tnx

#84
08-08-06, 08:10
Compressor
A/R = 0,42
Trim = 45
Max Rated Power = 235 hp

Turbine
A/R = 0,48
Max Rated Power = 300 hp

If I remeber it correctly Max Rated Power is given at ~65% efficiency.