Ive been pooking around trying to find out what turbo is right for me, but instead of just asking "what turbo is good for x, or will give me x hp" , i want to beable to do all the math myself.

I was wondering if anyone has a link to a tutorial or would be willing to type a brief explanation of a compressor map such as efficency rating, surge limit, and to clarify what the x and y axis stand for.

-Jacob

 

There are a few math errors on this link, but the basics are correct:
http://www.gnttype.org/techarea/turbo/turboflow.html

Also, Corky Bell's books cover this subject well. The turbocharger book covers maps in cfm, while the supercharger book covers maps in lbs/min.
http://www.amazon.com

Note: When calculating the airflow for your rotary engine, double your displacement (ie 13B = 2.616 liters) for those 4-stroke piston engine formulas. This is because a 4-stroke piston engine fires only half its displacement per rev, while the rotary and 2-stroke piston engines fire all their displacement per rev.

 

Wow, thankyou, that helped alot and was exactly what i was looking for

-Jacob