06-05-2015, 08:07 AM
#307
(06-05-2015, 06:29 AM)Alcaid (06-05-2015, 06:02 AM)Duncansport hijacked thread.
Maybe a moderater could move this or start a new thread
Hijacked? We are discussing this exact build!
I agree with Peter, and could not have said it better my self!
Nice to see you are an engineer too Petter
Do you not think first we need to stablish first what the HP goal and torque kurv that stamsaas want, how is we other wise to have reference how we proceed in the end?
Then we need to look at specified volumetric efficency for engine over RPM range to get that flow and boost is needed to get that goal? Then we need to look at specified turbo at operation points to decide what turbos in the actual operational area, and loop to see what the turbos in the area will do in the setup and trade of between turbo units? Sometime it is befifital to use a particular turbo if it is in the operational area.
But with out operation points in maps for the turbos it becomes so generalized so further discussion to evaluate end performance in the end is difficult, wrong?
I spended month in calculations to get what I wanted and it ended in only one LP turbo, and that Turbo was not easy find, and two HP turbo, and actual I wanted to make a hybride between those two turbos but it seams very hard to accomplish, and even that has it trade off any way
I have done lot of calculation in borg warners match bot, what program do you use? I have still not figged out how to simulate swalloing parameter for Holset turbos thats is the most reason that I do not use them my self
BR